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Rhombic Antenna, Vee beam, traveling wave, Rhombic farm, Rhombic Antenna V beam, curtain broadcast antenna, traveling wave Rhombic farm, beverage antenna, towers, Ham radio Rhombic antennas | K0UO Rhombic, curtain, & Vee Beam Antenna Farm https://www.k0uo.com/ wire antennas, Curtain antennas, baluns, VOA sites, LPDA, W6AM, W7URA, Feed-lines, and 4KS Walz Airport at Kiowa, KS. О БЛОГЕ В течение многих лет я служил полезным источником вдохновения для тех, кто искал информацию о больших проволочных антеннах, предлагая помощь и советы. Уделите немного времени изучению блога, прочтите что-нибудь интересное и не стесняйтесь обращаться к нам, если вы хотите поучаствовать в совместном проекте.

K0UO Rhombic, curtain, & Vee Beam Antenna Farm, Rhombic antenna largest in the world traveling-wave (fast-wave) antenna, V-beams, Receive Directivity Factor (RDF) towers, VOA, W1AW, W6AM, Beverage, HF curtain, Broadcast tower, ham radio, balun, IEEE, terminating resistor, E and H field, far field modeling, antenna measurements test range, NEC2 NEC4, k0uo, wire antennas, Curtain antennas, baluns, VOA sites, LPDA, W6AM, W7URA, Feed-lines, and 4KS Walz Airport at Kiowa, KS. На этом языке пока нет опубликованных постов Когда посты будут опубликованы, вы увидите их здесь. Antennas.....before Amplification Welcome to K0UO's premier ham radio antenna site farm, spanning many acres dedicated to innovative design and rigorous testing of antennas. So join me in advancing the field of ham antennas radio with cutting-edge technology and expert guidance. This station has been very competitive, and has won many major worldwide amateur radio contest. Remote operation users Note to contest operators, DXers, and others who have made arrangements to utilize the K0UO facility: you must first sign a non-disclosure agreement and adhere to the terms prohibiting the disclosure of the "exact location" of the K0UO site you are using. Currently, the site hosts several commercial DoD/DoW projects utilizing specific HF high-gain antennas. These projects take precedence, and you will be informed if an antenna is unavailable at certain times. There are no exceptions to this rule, as agreed upon in the original agreement, which states that certain antennas are not guaranteed and may change without notice. This is in accordance with the Department of Defense utilization clause of the site (30 days on most current agreements). The owner of the K0UO location receives hundreds of inquiries annually regarding remote use of the station for DX, casual amateur radio use, or extensive contests, including multi-multi operations. K0UO aims to be inclusive, but due to the limited number of operators that can access the facility simultaneously, a standard protocol is necessary. If you or your group have successfully negotiated an agreement, you must comply with the non-disclosure agreement. While many contests require station location disclosure, stating that the station is in Grid Square EM07, Barber County, Kansas, does not violate the agreement; only revealing the exact location or station owner/call would constitute a breach. If approved, please enjoy the station responsibly. The facility houses tens of thousands of dollars in new Flex 8000 transceivers, amplifiers, sophisticated control and switching equipment, some of which are AI-operated, in addition to massive HF antennas such as Rhombic, V beams, Delta Loop quad-beams, four-square verticals, stacked log periodic LPDA, wire beams dipole stacked on a 195 ft tower, and a complete array of receive antennas from Beverages to loops. The agreement that you or your group has signed is confidential, and you are prohibited from disclosing it to others. This confidentiality clause is a critical component of the agreement, ensuring that sensitive information and specific terms remain protected from unauthorized access or sharing. Each agreement is meticulously tailored to meet the specific requirements of both you and the owner, reflecting the unique circumstances and needs of the parties involved. This customization process involves careful consideration of various factors, including the nature of the relationship, the objectives of the agreement, and the particular provisions that are most relevant to the situation at hand. By adhering to these guidelines, both parties can foster a trustworthy environment that promotes open communication while safeguarding their interests. It is essential to understand that breaching this confidentiality can lead to significant legal repercussions, including potential damages and the loss of trust between the parties. Therefore, it is in your best interest to respect the terms of the agreement and uphold its confidentiality at all times. High-Frequency Stock Trading groups should use the rhombic antenna. RSI Corp in Barber Country KS works with Hyperscale AI Data and Network operation Centers developing Environmental Health and Safety EH&S surveys and programs. The Defense Technical Information Center is RSI's central facility for the collection and dissemination of scientific and technical training information. RSI Corp in Kiowa, Kansas, specialize in performing these surveys to ensure safety and compliance. , RSI has surveyed some of the largest Network Operations Centers (NOC) and AI Data centers for groups like Verzion, T-Mobil, DOD, UPS, FedEx, and AT&T over the years. Radiofrequency Safety International's Technical group has performed technical, safety, RF EME and general hazard inspection assessments at thousands of sites throughout the country, including many AI data center, MOC, major broadcast sites, tower antenna farms, major buildings, and DOD installations. Analysis: Comparing measurements against regulatory limits set by agencies like the EPA, FCC, FAA or OSHA. Hazardous communications analysis Steve Walz has sat on numerous boards and committees and is nationally recognized as one of the leading authorities on electromagnetic energy exposure issues, and has trained tens of thousands of people. He has surveyed thousands of sites using the methods he authored in Superior Survey Techniques, which is the industry standard for OSHA, FCC and EPA EH&S surveys. He has written safety plans for virtually every type of organization. RSI supplies training and assessment services to the United States and other governments. Since the 1990s, RSI Corp, located in Barber County, Kiowa, KS, has provided expert Environmental Health and Safety (EH&S) services to some of the largest data centers and NOCs. Their clients include Verizon, AT&T, T-Mobile, the Department of Defense, Google, UPS, and FedEx. This post explores how RSI Corp supports these critical infrastructures through thorough EH&S surveys, tailored programs, inspections, and training, helping clients maintain compliance and safety in demanding environments. Welcome to the K0UO Ham Radio Station, home the world's largest antenna site and test range, spanning impressive 1,200 acres. Featuring miles of antennas and towering structures—including FCC-registered towers up to 195 feet and is also a FAA-registered facility (4KS)—our facility is a dream destination for serious contester and big gun operators. "I hope others will carry on the tradition, and art of the large Rhombic Arrays in the future". Also K0UO has a blog page about his large 40-meter wire Delta Loop multi element beam. The site has numerous 100 foot wooden power-line poles, concrete silos, and portable mobile towers, the K0UO Rhombic Farm stands out for its significant height and capabilities. Registered under Antenna Structure Registration number 1216715, our station is recognized in the FCC public file, credibility and verification that sets us apart from other so-called big gun ham stations. The station and antenna farm uses very complex highly engineered arrays. The K0UO station is designed for maximum gain and directivity, utilizing high-performance, large-aperture antennas that require significant space, high gain, height, and great engineering. k0uo uses Re-entrant Rhombic array is one of the highest forward gain HF antennas with its 90% efficiency, the highest forward gain of any HF ham antenna. Also a world-class multiple stations, with many large LPDA yagi type beam antennas, 195 to 300 foot towers, and multiple very large wood power-poles. Antennas from 160 meters up to 2 meters. Using the new Icom IC7760 as the main transceivers. K0UO has years of expertise in contesting, DXing, using cutting-edge engineering and technology. K0UO uses many very high-gain directional LPDA-Yagis beamed at all continents, large 160 -40 meters four square verticals, stacked systems of rhombics, a model director current coupling of a 40 meter Delta multi element loop beam for ham radioV-beams, and curtain arrays, The achieved goal has been met to have a world class station with multiple antennas combined (stacked) for increased gain and better performance on all the amateur bands, that are optimized for maximum gain. All utilizing optimum take off angles. With 1200 acres near by to test and build all types of antennas and tower pole supports, also the largest ham radio station in the world with miles of wire arrays and many towers, Antenna Test Facility ATF, electromagnetically-quiet areal—K0UO is Largest by measured tower height/count, antenna quantity/gain, land used for arrays, (since OH8X in Finland, tall tower and 160 meters beam in Finland was destroyed by a storm in 2013). Miles of antennas for ham radio dozens of tall antenna support structures, like FCC registered towers up to 195, to 300 foot on a near by Gypsum hills site, numerous 100 foot wood power-line poles, concrete silos, and portable mobile towers. K0UO near Kiowa, KS has High-Performance Antennas: Using large stacked LPDA-Yagi beams, Rhombics, Curtain arrays, Four-square phased verticals on specific bands, optimized for low noise and very efficient and high gain K0UO Rhombic antenna farm which is the highest forward gain array and largest area on 1200 acres in use by any amateur ham station DX, remote, or contest station in current use any where in the world Modern alternatives still can't beat the big HF Rhombic: Using K0UO +90% re-entrant re-phasing system no power is lost by terminating resistors. Yagis even stacked ones,( 4 over 4 over 4 at 200 feet have about the same gain) Log-periodic antennas Vertical phase arrays, 4 Sqs Wire antennas with tuners Phased dipoles The K0UO Rhombic farm and antenna test range is one of the very few ham radio stations that has a tower which is tall enough and required by the FCC to have a registration. FCC-registered towers up to 195 feet and is also a FAA-registered facility 4KS. The Antenna Structure Registration or ASR tower number is 1216715. So the K0UO site, station, and antenna is in the FCC public file. used in conjunction with RSI Corp of Kiowa KS seehttps://www.rsicorp.com/dtic. Use for DOD and commercial wireless telecommunications groups. RSI Corp is a Professional, Scientific, and Technical Services company that can Handle technical management, RF testing logistics, and integration of measurement instrumentation in collaboration with the facility. The K0UO antenna test range site is a highly technical facility used to precisely measure an antenna's performance characteristics, such as its radiation pattern and gain. The K0UO and RSI test and measurement facilities feature state-of-the-art equipment/software in RF performance, supported by continuous in-house calibrations. Mechanical positioners are designed to precisely orient antennas. K0UO is using AI, making it one of the largest and most sophisticated amateur radio stations in the world Antenna University https://6989df74ecaac.site123.me/ The K0UO antenna test range site has significant outdoor real estate, and over 2500 feet by the 4KS Walz airport, so anechoic test chambers are not needed. and testing site has the use of over a thousand acres around the main antennas for far field measurements. the K0UO Electromagnetic Test and Evaluation Facility is a multi-purpose, wideband, antenna test facility. The RSI Superior Survey Techniques™ RF training course, by Steven Walz is a University based program developed over a quarter of a century ago by RSI RSI Corp: Superior Survey Techniques And is now taught at the K0UO RSI antenna outdoor antenna test range site near Kiowa, KS and is a controlled testing environment used to measure and evaluate the performance of antennas. https://www.rsicorp.com/dtic What exactly does RSI do? Steve Walz says, “RSI is the leader in the field of radiofrequency emissions safety and unique general safety challenges, especially related to electrical systems, cooling, and electromagnetic emissions. EH&S safety surveys, including Hazardous communications analysis, EPA OSHA, EME and general safety assessments, ”RSI Corp. - Radiofrequency Safety International This is where Environmental Health & Safety (EH&S) surveys, including Electromagnetic Emissions (EME) and Radio Frequency (RF), Hazardous chemicals assessments, become critical. s like RSI Corp in Kiowa, Kansas, specialize in performing these surveys to ensure safety and compliance, RSI has surveyed some of the largest Network Operations Centers (NOC) and AI centers for groups like Verzion, T-Mobil, and AT&T over the years. Radiofrequency Safety International's Technical group has performed technical, safety, RF EME and general hazard inspection assessments at thousands of sites throughout the country, including many major broadcast sites, tower antenna farms, major buildings, and DOD installations. Radiofrequency Safety International and Steve Walz is using AI which is now becoming an advanced tool in analyzing, developing, and expanding research. Also there is a blog about the Cessna Skymaster 0-2 Prototype, C336, C337, C337 Pressurized, O-2 A, O-2B Military FAC plane, Navy O-2, Rhodesian FA337, Cessna Skymaster C337, O-2 & C336 Brothers to the Rescue, AirScan now A2G modified fleet on C337 Cessna Skymaster with IO550 engines, Miss Belize Cessna Skymaster O2 aircraft, C327, Nicknamed the Oscar Deuce and by the military, In 1965, the USAF at Eglin AFB, FL, modified a 336 with four sets of hard points on the wings, marker smoke system and had a one time STC approved by the FAA. The serial number on that plane is 336-0026. Brig General Steven Walz, Overview: Trying to be retired: Civil Air Patrol (CAP), 35 year member of MARS Military Auxiliary Radio System serving in both U.S. ARMY and later the U.S. Air Force program, Security Clearance, Founder of RSI Corp, Borderline Economic Development, RSI Wind, RSI Two-way radio (Kenwood & Icom), Borderline Electric, KPAK FM, Walz Farms, proudly serves on a number of Boards over the years, Technical advisor for Concrete Walz Fencing, Published in various trade journals and author of a number of white papers. FCC Commercial License Examiner from ETA, Life ARRL member, ARRL Volunteer Consulting Engineer for the Midwest Division, ARRL Emergency Coordinator, ARRL Technical Specialist, American Legion Amateur Radio Club, Armed Forces Communications and Electronics Association, Radio Society of Great Britain, Society of Broadcast Engineers, Federal Emergency Management Agency’s (FEMA) Emergency Management Institute contract instructor, The Radio Club of America, Association of Former Intelligence Officers, American Society of Safety Professionals, Life member Central States VHF Society, Royal Order of Wouff Hong, The Rag Chewers' Club, a founding member of the Great Salt Plains Amateur Radio Club, past Director for the Kansas Oklahoma Repeater Link System The KØUO Rhombic Antenna Farm in Kansas, consisting of many acres, with "Miles of Wire in the Air & On the Air". K0UO Steve Walz is a highly experienced amateur radio operator, best known as an antenna Experimenter, Contester, Ragchewer 1st and DXer for fun! "It takes years of Passion, Hard work, and Commitment to build a great station "super mega" which includes an extensive antenna farm (details on specific arrays are highlighted in various ham community discussions as among the most impressive for DX and remote contesting, running a multi/multi station The #1 Amateur “Super Ham HF Station” & Rhombic farm K0UO supports ARDC, Amateur Radio Digital Communications Community Governor of Minnesota Tim Walz, is a distance cousin (Nebraska and Germany) to a RSI Corp CEO Miranda Walz Allen who run for U.S. Congress in the 4th district of Kansas in 2016 and "Brigadier General Steve Walz" of Kiowa, Kansasan actual photo view of the install of one the one of the forty, 8000lb +100 foot wood poles in use at the Steve Walz K0UO largest ham radio station and antenna farm in the worlds with over 1200 acres of antennas and towersoptimized antenna farm having one of the most comprehensive and effective multi-transmitter stations, featuring a high density of towers and antennas. stations are designed to maximize signal strength and reach, often using massive, towers and vast, antenna farms to dominate in international competitions and long-distance communications. The rhombic and curtain arrays have extensive, high-gain antenna arrays that provide massive signal power. Used by International recognized top contesters and DXers as their remote site. Using the many high-performance antennas which are optimized for contesting and DX, this remote station is becoming Mini contesters and dxers Secret station which a utilize not only for transmitting but pulling after week ones with the up to eight 1500 ft 2-wire beverage receive antennas. k0uo is a "mega HF site and station" with massive views of the Red Gypsum Hills and low takeoff angles completely covering the globe with antennas 25° wide over 16 DB each aiming at 14 selected directions enabling complete World dominance coverage on High Frequency Communications 160 to 6 meters. Utilizing over 50 antenna support structures up to 320 ft High, all on the huge Ranch Walz Farms and 4KS airport Frequently asked questions Rhombics Общий Modeling traveling wave arrays K0UO RemoteHamRadio site AI in ham radio RSI Corp Kiowa KS Aircraft Cessna O-2 C-337 & 4KS airport How to get to All the BLOGS FASTER? A:This is an old Blog (Like me) with just too much stuff and has grown out of control, so please excuse the layout!To get directly to the blog pages faster, and skip all the main page write-ups, over go to this page below, where there is only one shorter cover page, then just go right down below to the full list of all the blogs. This really helps if you using a cell phone for viewing the blog.https://www.k0uo.com/k0uo What is a Rhombic Antenna? A:THE ARRL and RSGB Diamond Logo, looks like a Rhombic Antenna, the "PHD" of wire antennas The Rhombic is the antenna that won WW2 for the Western Alliesjust skip the header go down to the blogs Does K0UO really have big HF antennas? Yes,The K0UO Rhombic Farm has miles of wire arrays and feed-lines, beams and delta loops high in the air and in use daily,The station is distinguished by its use of AI, real time data, diversity receive and transmit, while others use the K0UO station by full remote for contest and DX. see at the links below, just skip the header page and go to the blogs The K0UO Multi-Multi Super station dense sprawling extensive antenna arrays on a large number of acres with a number of towers and antenna structures, with extensive hardware multi radios and amplifiers using the latest and advanced software with integrated Hardware using the latest artificial intelligence as part of the legendary operating setup. What types of antennas does K0UO Steve Walz specialize in for amateur & Commercial/DOD test range site (copy) He specializes in a wide range of advanced antennas suitable for both broadcasting and amateur ham radio enthusiasts. Which include Rhombic antennas, V Beams, HRS “Billboard” Arrays, USIA or Distribution fed HRS Curtains, Delta Loop beams, (4) Foursquare verticals, Beverage receive antennas, and Log-Periodic Dipole Arrays (LPDA). These high-performance antennas are crucial for reliable long-distance communication. Also info on Rohn "G" 25-65 & Export 26KD, J, K towers and antenna Vibration Dampers, Lightning protection, W6AM, Voice of America (VOA), BBC, Art Bell, and the American Radio Relay League (ARRL), our antennas meet the high standards required by both professional broadcasters and dedicated amateur radio operators. Whether for large-scale broadcasts or enhancing your ham radio setup, our antennas deliver the quality and efficiency you need. The RSI Corp antenna test range is on site with the K0UO Rhombic Farm and 4KS airport home of the Skymasters.See the Blogs, Just Skip the header and go to the BlogsON4UN type 4 Square, hanging off of one of K0UO "195' towers", but using four (4) elevated 1/4 wave radials on each vertical, (also used by K3LR in the past) ull-sized 1/4 wave 4 Square verticals for both 160 and 80 meters) with 200 tons of spent iron under the 4 Square verticals arrays.And so many more see the site for a complete listAlso see Where can I find parts for rhombic and V Beam antennas? Just Skip the header and go to the BlogSEE: https://www.k0uo.com/post/voa-100-000-watt-balun https://www.k0uo.com/post/termination-resistors K0UO is using a Rhombic Array, so what is it? A:THE ARRL and RSGB Diamond Logo, looks like a Rhombic Antenna, the "PHD" of HF wire antennas. Each array spans 7 acres and most mounted on 100 foot tall poles. The half rhombic is at 155 feet. The Rhombic is the antenna that won WW2 for the Western AlliesSee the Blogs, Just Skip the header and go to the Blogs Q: Why is K0UO considered different from other Mega Big Gun Stations featured at General Steven E. Walz? (copy) A: K0UO stands out from other Mega Big Gun Stations primarily due to its unique integration of advanced antenna technologies and expansive site layout, which aligns with the standards showcased at General Steven E. Walz. Unlike typical large-scale ham radio stations, K0UO employs specialized configurations such as Rhombic antennas, V beams, VOA Curtains, Delta loop Beams and LPDA arrays across an extensive number of acres for the site. This combination results in superior directional control, gain, and bandwidth, maximizing amateur radio capabilities. Additionally, K0UO’s design emphasizes strategic tower placements and innovative antenna arrangements, setting a benchmark in the world’s largest ham antenna installations. This technical sophistication using real time data with AI for control, coupled with its association with respected stations, ensures K0UO delivers exceptional performance and reliability uncommon among other Mega Big Gun Stations.The K0UO station is distinguished by its expansive site covering hundreds of acres, hosting some of the world’s largest and most advanced amateur ham radio antennas.This station uses AI, real time data, diversity receive and transmit, other hams use the K0UO station by full remote for contest and DX. The site is built to commercial standards, to meet DOD and other specifications.See the Blogs, Just Skip the header and go to the Blogs Can a Rhombic array have more gain than a stack of yagi beams? YES,The Big Advantage, all long HF Traveling wave antennas are known for fantastic Improvements in the reduction of QSB fading, for both transmit or receive. A larger Rhombic and gave 14 to 18 dBd of forward gain. In fact K0UO is using AI today, making it one of the largest and most sophisticated amateur radio stations in the world. Keep in mind that K0UO is comparing rhombics to large stacked single band yagis beams that were previously used on 195-foot rotating towers at K0UO, and has tested both yagis and rhombics on the RSI Corp antenna test range. "Rhombics bets Beams"TIP: Just skip the header go down to the blogs What is a Rhombic Antenna? ) A:THE ARRL and RSGB Diamond Logo, looks like a Rhombic Antenna, the "PHD" of wire antennas The Rhombic is the antenna that won WW2 for the Western Alliesjust skip the header go down to the blogs How did the Rhombic arrays help in WW2? A:Rhombic antennas became a backbone for both the Allied and Axis forces, enabling secure, high-power links and effective signals intelligence. What is 1/2 Rhombic, Half Rhombic Vertical Array? Who else has used large HF Rhombic antennas? SeeIP: It is a Blog, so just SKIP the Blogs HEADER and go right down to the blog. How did the Rhombic arrays help in WW2? A:Rhombic antennas became a backbone for both the Allied and Axis forces, enabling secure, high-power links and effective signals intelligence. Can you tell me about Art Bell's W6OBB, big loop rhombic array? ( A: ART BELL, The Former “Coast to Coast AM” Radio Show Host, and ham radio Station W6OBB, SK. This page is about his ham Big Double Loop HF antenna, which was not really understood by many. How can I feed RF power to my planned V Beam and Rhombics? A:K0UO uses "Tapered Feed" or "exponential feed-line systems" the wires coming down the poles provide a broadband match on HF.Exponential feed-line or Taper Feed SystemIn essence, it's an elegant, physical solution to impedance matching that makes high-impedance antennas usable with standard equipment by creating a smooth, broadband transition without using a balun. In fact K0UO is using AI today, making it one of the largest highest gain and most sophisticated amateur radio stations and test range in the world. IP: It is a Blog, so just SKIP the Blogs HEADER and go right down to the blog. Q: What types of antennas did W6AM have at his station? ( A: W6AM/SK Don Wallace, was well-known in the ham radio community, was famous for his use of big wire Rhombic antennas. His setup was packed with Rhombic antennas, which were great for their high gain and directional qualities, perfect for long-distance HF chats. K0UO is into the same kinds of large wire antenna technologies. He still has the know-how on Rhombic, and V Beams arrays.This blog takes a page from the innovative spirit and technical brilliance of legends like W6AM.K0UO is still using many parts and hardware from the W6AM station today. Q: Why is a rhombic array considered an effective antenna for HF use at General Steven E. Walz? (copy) A: A rhombic array is an excellent choice for HF (High Frequency) use because it offers high gain, broad bandwidth, and directional stability, making it ideal for long-distance communication—a key focus at Steven E. Walz's extensive tech forum. Its large diamond-shaped design efficiently radiates and receives signals over wide HF bands, providing low angle radiation that enhances signal reach beyond the horizon. The simplicity and robustness of the rhombic make it reliable in various conditions, supporting both amateur ham radio operators and professional broadcasters on the 1200-acre site. This aligns perfectly with General Steven E. Walz’s mission to showcase and support some of the world’s largest and most effective HF antennas, including rhombics, enabling users to achieve superior performance in global HF communication. Q: What types of antennas did W6AM have at his station? A: W6AM/SK Don Wallace, was well-known in the ham radio community, was famous for his use of big wire Rhombic antennas. His setup was packed with Rhombic antennas, which were great for their high gain and directional qualities, perfect for long-distance HF chats. K0UO is into the same kinds of large wire antenna technologies. He still has the know-how on Rhombic, and V Beams arrays.This blog takes a page from the innovative spirit and technical brilliance of legends like W6AM.K0UO is still using many parts and hardware from the W6AM station today. Q: What makes the K0UO Rhombic Farm unique compared to other very large mega big gun ham radio stations? (copy) A: The K0UO Rhombic Farm stands out from other Mega Big Guns stations due to its distinctive combination of advanced antenna technologies and expansive infrastructure. Located a very large acreage, it features an unparalleled array of Rhombic antennas, V Beams, VOA type Curtains arrays, towers, and LPDA systems, making it one of the largest and most diverse ham radio sites in the world. This integration allows for exceptional directional control, high gain, and broad frequency coverage, surpassing typical mega stations that may rely on fewer or less varied antenna types. Additionally, the site’s historical ties to major stations or the past reflect a deep commitment to excellence in broadcasting and amateur radio. For clients and enthusiasts engaged through Steven E. Walz Tech Forum, the K0UO Rhombic Farm exemplifies cutting-edge antenna engineering combined with operational scale, setting a benchmark for performance and innovation in the ham radio community.TIP: It is a Blog, so just SKIP the Blogs HEADER and go right down to the blog. W6AM Don Wallace, what can you tell me about his old site? The K0UO Rhombic antennas are using some of W6AM's insulators. hardware and components. K0UO used the parts on his first Rhombic at the Rhombic Farm in Kansas for the main "East-West/ DC or LA, Rhombic" called "DON", in 2012. Q: Why is a rhombic array considered an effective antenna for HF use at General Steven E. Walz? (copy) A: A rhombic array is an excellent choice for HF (High Frequency) use because it offers high gain, broad bandwidth, and directional stability, making it ideal for long-distance communication—a key focus at Steven E. Walz's extensive tech forum. Its large diamond-shaped design efficiently radiates and receives signals over wide HF bands, providing low angle radiation that enhances signal reach beyond the horizon. The simplicity and robustness of the rhombic make it reliable in various conditions, supporting both amateur ham radio operators and professional broadcasters on the 1200-acre site. This aligns perfectly with General Steven E. Walz’s mission to showcase and support some of the world’s largest and most effective HF antennas, including rhombics, enabling users to achieve superior performance in global HF communication. Q: What makes the Rhombic and V-Beam antenna arrays ideal choices for diverse high-frequency communication needs featured at Steven Walz, K0UO? A: The Rhombic and V-Beam antenna arrays remain standout HF antenna solutions due to their exceptional directional gain, wide bandwidth, and low noise characteristics. At Steven Walz, K0UO, these antennas are recognized for their versatility in supporting a variety of critical applications including commercial broadcasts, maritime shore stations, military communications, and diplomatic channels. Their design facilitates frequency agility and high-speed data transmission, making them well-suited for demanding environments such as high-speed trading and Earth-Moon-Earth (EME) communications. Additionally, these arrays serve the amateur ham radio community with reliable, high-performance capabilities. By combining robust engineering and extensive operational experience within our 1200-acre facility—the world’s largest ham antenna site—Steven Walz, K0UO ensures that Rhombic and V-Beam antennas continue to meet advanced broadcasting and communication requirements with precision and dependability.TIP: It is a Blog, so just SKIP the Blogs HEADER and go right down to the blog. Does Steve Walz, K0UO use AI at his station Yes, both at his station and the RSI Corp antenna testing rangeSee the Blogs, Just Skip the header and go to the BlogsThe Multi-Multi Super station dense sprawling extensive antenna arrays with use of a large farm with dozens of towers and antenna structures, with extensive hardware multi radios and amplifiers using the latest and advanced software with integrated Hardware using the latest artificial intelligence as part of the legendary operating setup. How do Rhombic antennas stop fading known as QSB? A rhombic antenna is designed to spread the receiving elements over a very large physical area (acres) — often extending many wavelengths across. Traveling wave antennas are known for fantastic Improvements in the reduction of signal fading, which is called QSB by amateur radio operators, for both transmit or receive. Modeling can't show that big advantage. In fact K0UO is using AI today for switching to the best array based on the current band conditions, making it one of the largest and most sophisticated amateur radio stations in the world. TIP: It is a Blog, so just SKIP the Blogs HEADER and go right down to the blog. Can the K0UO site be accessed remotely? YESIn terms of value for money, the K0UO "Remote" is considered the top choice because it delivers a range of features not even found in higher-priced models. Contesters and DXers appreciate that they do not have to break the bank to obtain a device that meets their needs effectively. The balance between cost and performance makes it an attractive option for those who are looking to maximize their investment.Notice: All contest and general air time slots for K0UO are currently filled, for the next 24 months and not accepting any new projects or ham clients at this time.Remote operation usersNote to contest operators, DXers, and others who have made arrangements to utilize the K0UO facility: you must first sign a non-disclosure agreement and adhere to the terms prohibiting the disclosure of the "exact location" of the K0UO site you are using. Currently, the site hosts several commercial DOD/DOW projects utilizing specific HF high-gain antennas. These projects take precedence, and you will be informed if an antenna is unavailable at certain times. There are no exceptions to this rule, as agreed upon in the original agreement, which states that certain antennas are not guaranteed and may change without notice. This is in accordance with the Department of Defense utilization clause of the site (30 days on most current agreements).The owner of the K0UO location receives hundreds of inquiries annually regarding remote use of the station for DX, casual amateur radio use, or extensive contests, including multi-multi operations. K0UO aims to be inclusive, but due to the limited number of operators that can access the facility simultaneously, a standard protocol is necessary. If you or your group have successfully negotiated an agreement, you must comply with the non-disclosure agreement. While many contests require station location disclosure, stating that the station is in Grid Square EM07, Barber County, Kansas, does not violate the agreement; only revealing the exact location or station owner/call would constitute a breach. If approved, please enjoy the station responsibly. The facility houses tens of thousands of dollars in new Flex 8000 transceivers, amplifiers, sophisticated control and switching equipment, some of which are AI-operated, in addition to massive HF antennas such as Rhombic, V beams, Delta Loop quad-beams, four-square verticals, stacked log periodic LPDA, wire beams dipole stacked on a 195 ft tower, and a complete array of receive antennas from Beverages to loops.The agreement that you or your group has signed is confidential, and you are prohibited from disclosing it to others. This confidentiality clause is a critical component of the agreement, ensuring that sensitive information and specific terms remain protected from unauthorized access or sharing. Each agreement is meticulously tailored to meet the specific requirements of both you and the owner, reflecting the unique circumstances and needs of the parties involved. This customization process involves careful consideration of various factors, including the nature of the relationship, the objectives of the agreement, and the particular provisions that are most relevant to the situation at hand. By adhering to these guidelines, both parties can foster a trustworthy environment that promotes open communication while safeguarding their interests. It is essential to understand that breaching this confidentiality can lead to significant legal repercussions, including potential damages and the loss of trust between the parties. Therefore, it is in your best interest to respect the terms of the agreement and uphold its confidentiality at all times.Notice: All contest and general air time slots for K0UO are currently filled, for the next 24 months and not accepting any new projects or ham clients at this time. Does diversity receive help to work DX and win Contest? A:Yes, The Icoms, Flex, Anan, and supposedly even the K3/K4 have dual diversity processing and tracking not just dual receivers, a big difference.I have played with the Flex and Anan, if you have a lot of time with software you can probably actually do more.In fact K0UO is now using AI, to get more gain out of the arrays and receivers, making it one of the largest and most sophisticated amateur radio stations in the world. just skip the header go down to the blog Q: Who was W7YRV Roy Callison, did he have large antennas? A: W7YRV Roy Callison of Bisbee AZ, was the amateur radio callsign of an experienced ham operator known within the radio community for his extensive antenna installations. Yes, he did have large antennas, including complex arrays that enhanced his ham radio broadcasting capabilities. The K0UO Rhombic Farm Steven Walz, one of the world’s largest ham antenna sites spanning many acres, recognize W7YRV’s contributions as part of the rich history in amateur radio advancements. His work with large antennas like rhombics and tower-mounted arrays aligns with our focus on high-performance antenna technology, making his legacy relevant for those interested in advanced amateur radio systems.IP: It is a Blog, so just SKIP the Blogs HEADER and go right down to the blog. Tell me about the VOA Ohio Rhombic site A: Its connection to the VOA site in Ohio underscores its historical and technical significance; the VOA site shares a heritage of high-quality international broadcasting and innovative antenna technology. By integrating knowledge and practices from this legacy, the Tech Forum supports enthusiasts and professionals with detailed discussions, practical advice, and state-of-the-art techniques aligned with the standards demonstrated at the VOA Ohio facility. The site is a collaborative environment that promotes both technical advancement and preservation of broadcasting excellence in amateur ham radio, in fact K0UO is still using some of the surplus parts and hardware, at the Rhombic Farm in Kansas, Keeping the history alive. Did Steve Walz use the Voice of America (VOA) site in Belize A:YesGeneral Steve Walz V31KW utilized the former Voice of America (VOA) site in Belize as his antenna farm. Rank and Being a Broadcast Engineer has its perks, and he had the opportunity to visit numerous fascinating RF sites over the years also.just skip the header go down to the blogs Why did the USSR have some many more HF Rhombics than yagis beams A:Grigory Zakharovich Ayzenberg (Григорий Захарович Айзенберг, 1904–1994) was a monumental figure in Soviet radio physics and the chief architect behind the USSR’s global shortwave and military antenna infrastructure.The Prolific Author: He held 53 Soviet author certificates (patents) and published over 60 core scientific works. His definitive textbook series, including "Shortwave Antennas" (Коротковолновые антенны) and "Ultra-Shortwave Antennas" (Антенны ультракоротких волн), became the literal bibles for Soviet communications engineers. Mastering Traveling-Wave Antennas: While Western designers focused heavily on resonant aluminum beams (like Grigory Zakharovich Ayzenberg (Григорий Захарович Айзенберг, 1904–1994) was a monumental figure in Soviet radio physics and the chief architect behind the USSR’s global shortwave and military antenna infrastructure.The Prolific Author: He held 53 Soviet author certificates (patents) and published over 60 core scientific works. His definitive textbook series, including "Shortwave Antennas" (Коротковолновые антенны) and "Ultra-Shortwave Antennas" (Антенны ультракоротких волн), became the literal bibles for Soviet communications engineers. Mastering Traveling-Wave Antennas: While Western designers focused heavily on resonant aluminum beams (like Yagis), Ayzenberg mastered wire arrays that leveraged traveling waves (Rhombics, V-Beams, and Fishbone arrays). He engineered the transition from single-wire systems to multi-wire "curtain" configurations to lower high-impedance loads, stabilize SWR, and widen operating bandwidths. ), Ayzenberg mastered wire arrays that leveraged traveling waves (Rhombics, V-Beams, and Fishbone arrays). He engineered the transition from single-wire systems to multi-wire "curtain" configurations to lower high-impedance loads, stabilize SWR, and widen operating bandwidths. Why do Rhombic Antennas Still Matter Today? A:You might be wondering, with all the fancy phased arrays and compact antennas out there, why bother with a rhombic? Well, here’s the thing: rhombic antennas offer unmatched simplicity and performance for certain applications.Long-Distance Communication: Their high gain and directivity make them perfect for DXing and long-haul HF links.Broadband Capability: One antenna covers multiple bands without the need for complex tuning.Cost-Effective: Materials are inexpensive, and construction is straightforward.Reliable and Durable: With proper maintenance, they last for decades. At the K0UO rhombic farm, we push the boundaries of what these antennas can do, integrating AI-driven optimization to fine-tune performance. It’s a blend of classic design and cutting-edge tech that keeps rhombic antennas relevant in the 21st century. How directions can the K0UO Rhombic fire to. Rhombic Farm KØUO: Home to the World's Largest amateur radio (ham), High Frequency (HF) Wire Antennas. With the four rhombic arrays and three V-beams, the K0UO antennas effectively cover 14 directions, every 25°, the beam width of each array. What Hams still use Rhombic ARRAYS What is a amplified K0UO Re-entrant system Just check out this overview of the "Amplified Re-entrant Rhombic K0UO System" as used on a DoD project, which provided reliable and efficient HF communications for a circuit to Guam from the K0UO site in Kansas. see at https://www.k0uo.com/post/understanding-re-entrant-rhombic-array-antennas-design-features-and-applications https://www.k0uo.com/post/understanding-re-entrant-rhombic-array-antennas-design-features-and-applications Откройте для себя ферму ромбических антенн K0UO Ваш надежный источник

About Us Finding Inspiration in Every Turn The K0UO/R Remote Ham Station https://www.qrz.com/db/K0UO/R Our Story: The KØUO Rhombic Antenna Farm in Kansas, consisting of many acres, with "Miles of Wire in the Air & On the Air". “So the RF Gotta-Go-Somewhere"! The Rhombic is truly the "PHD" of all wire antennas. K0UO's, Kiowa, Kansas "Home on the Range QTH" is located on a wheat farm/antenna ranch in the "Land of OZ", near the center of the U.S.A, 130KMs WSW of Wichita, KS. This QTH is halfway between Wichita, and the famous wild west cowboy town of Dodge City, and just north of Indian Territory, now known as Oklahoma. The QTH is surrounded by a stream called "Little Mule Creek", located on the edge of the "Red Gypsum Hills" in the High Plains of Kansas, where the Buffalos once roamed. It is also in the heart of Tornado Alley. This is oil and cattle country, treat youself to a quality steak! Our Clients

Ham radio Rhombic antenna, Vee beam antenna, v beam antenna, traveling wave antenna, Walz airport 4KS Kiowa, KS КОНТАКТ Submit Thanks for submitting!