
GRANJA DE ANTENAS RÓMBICAS K0UO





The Mighty Rhombic is the "KING of Wire Antennas".
This is Scientific Technical Engineering, & Mathematics (STEM), Blog Site
If you have an big HF wire antenna project, let me know if I can help in anyway
The blog site has design, modeling, and construction information for building large HF Rhombic arrays, V-Beams wire arrays, Curtain arrays, Long wire, baluns, LPDA Log yagi, Feed-lines, Beverage receive antennas, BOG, Traveling Wave antennas, Delta loop multi element beams, & antenna vibration dampening. Info on Icom Diversity receive for the IC7610 and IC7760. along with overviews on VOA, W6AM, and W7YRV sites. Blog topics about the K0UO Rhombic farm and antenna test range, 4KS Walz Airport at Kiowa, KS.
Steven Walz, known as K0UO which is his amateur ham radio station call, has an antenna testing range site known as "Antenna University", and The Rhombic Antenna Farm which has the use of over a thousand acres around the main antennas for far field measurements, using portable towers and drones, loaded with calibrated RF survey instruments for Commercial, Amateur Radio, STEM, DOD, school or University Research. Decades of building huge arrays, teaching, and performing RF surveys.
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The ARRL, RSGB, Switzerland, and so many other amateur radio organizations use the Diamond Logo, which looks like a Rhombic antenna.
Steve Walz known as K0UO (his FCC Amateur radio call), is working on the "Lost Art of Rhombics" with four of these large wire antennas, at 100 to 160 foot high, and three 1200 foot V-Beams (VEE) antennas at the Kiowa, Kansas QTH. Which are beaming to fourteen DX areas, with phasing padding for more steering. There is also information on large distributed fed curtains arrays, LPDA, and beverage receive antennas. K0UO is home of the Re-entrant Rhombic, which is 90% efficient by re-phasing the power instead of heating up termination resistors. The Rohn R20, 25, 35, 45, 55, 65G, Rigid Tube Tower Series 26KD Tower, the J Tower, and the C Tower are reviewed.
I have contacted 200 countries on 160 meters, and it wouldn't have been possible without the beverage antennas.
The K0UO antenna farm is proudly using parts from many legendary stations, to continues the tradition they started with the big arrays, like the VOR (Voice of America), Armed Forces Radio, W6AM Don Wallace, BBC, Art Bell W6OBB, W7YRV Roy Callison, and others. So symbolically those large historic stations are still, "On the Air Daily" by K0UO using an extensive array of towers and antennas.
See my call on QRZ, https://www.qrz.com/db/K0UO, or type in my call K0UO for more information and photos. Each Rhombic antenna uses 1000s of feet of 3/8" cable for the array wire, covering many acres each. They are erected on numerous towers and 100 foot wooden utility poles, also the site has three large V-Beam antennas which are over 1200 foot long each. Miles of wire in the air and on the air, spread out over many acres. "Build Them and the DX will Come"!
The K0UO Rhombic site is the largest and highest gain wire antennas array farm, currently still in use anywhere in the world.
The KØUO Rhombic Antenna Farm in Kansas, consist of many acres, with "Miles of Wire in the Air & On the Air".
A HF Rhombic antenna is an excellent choice for commercial, maritime shore stations, military, broadcasting, frequency agile, requirements, high speed traders, diplomatic, EME, and big gun contest ham amateur radio stations.
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The K0UO and RSI Corp. - Radiofrequency Safety International antenna test range site makes use of the 4KS Walz airport near Kiowa, KS and its surrounding area as a practical learning environment for STEM (Scientific, Technical, Engineering, & Mathematics) antenna projects in a real-world outdoor setting. If your group has a School or University aerospace or antenna research STEM program, please let me know. We are using AI which is now becoming an advanced tool in analyzing, developing, and expanding research in RF and antennas. Efficiency, Flexibility, Reliability at K0UO
Amateur Radio calls, K0UO and V31KW
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K0UO – Kiowa, Kansas, USA
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Owner/Operator: Steve Walz, call sign K0UOhttps://www.blogger.com/profile/08142301711468531870
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- 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.
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 Amateur radio was the early beginning for a career in radio for Art Bell, W6OBB, who became one of America’s number one late night radio talk show hosts. Art's audience on Coast to Coast AM grew to 15 million listeners in over five-hundred markets. https://www.qsotoday.com/podcasts/w6obb "Whiskey Six Old Broken Bottles" Art Bell became a licensed amateur radio operator at 13. His initial call sign was KN3JOX, first appearing in the Winter 1959 edition of the Radio Amateur Callbook. He soon upgraded to K3JOX and later held W2CKS, first listed in the Spring 1967 Callbook. Bell held an Amateur Extra Class license W6BOO. He also had a 1st Radio Phone, the highest U.S. Federal Communications Commission license. He passed the Philippines amateur radio exams and became a Philippine Class A amateur radio operator with the call sign 4F1AB. While in the Philippines, Bell was active on 40-10 Meters and 144.6 MHz simplex in Manila. His USA call was W6OBB in NV. I knew Art Bell personally and helped him on a number of projects. And my XYL and I spend time with him and his YL at his compound in Southern Nevada, the last time was just a few months before he passed. This page is about his ham Big double Loop antenna, which was not really understood by many. I also had his shows on some of my radio stations. Including his last syndicated show in 2015, which only lasted a few months called, "Midnight in the Desert" https://radioinsight.com/headlines/...of-new-affiliates-for-midnight-in-the-desert/ The Pahrump Valley Museum in Nye County features a section dedicated to him, showcasing his ham station and several of his logbooks (is your name in one of them?) W6BOO W6BOO ham station "There is something magic about bouncing a signal off of the ionosphere and having someone on the other side of the world respond , Radio is a Science, a Mystery, and a Wonderment" The gate to his compound Ariel View of Art Bell's W6OBB Compound in Pahrump, Nevada. This home is 47 miles northwest of Las Vegas. Art's Antennas, a hundred foot radio tower, single tower, and on that tower, a KLM log periodic, a six meter beam, two meter, 440, The big loo p of 1200 foot of wire antenna at the very top. The hundred foot tower was the main support for the beam. (I think in reality it was just over a 1000 foot, after it got installed} He said in the 2000s that "I think I may have the largest private loop antenna, actually it is a double loop made of number 10 wire, that completely encircles my five acres piece of land, What can I say? It is a kick butt antenna. There it is, a double loop. The wires are separated by about seven feet. It was inspired by The W6AM Rhombic Ranch". ART also said "The antennas are held up by a total of 13 towers, and those towers are about 70 feet tall a piece. Again, each one's supporting this double loop, and it's an amazing antenna. I don't know what to tell you. It's simply amazing. It'll make a hundred watts sound like several thousand. It's that effective, and I put it up mainly for 160, 80, and 40. I really, really love 160 meters. I love 75 meters, and I spent a great deal of time on 75, and I want to talk briefly if I can, about my lost love, and when I say lost love, that's 75 meters. There are some pretty bad actors on 75 meters here in the U.S, both on the East Coast and the West Coast." ART : "I built this, God, I don't know how much I spent on that antenna, I bet I spent $20,000 total on that antenna, and it was to have fun on 75 meters.". His last equipment was a Yaesu FTDX9000 delta, IC 7800. and a Alpha 77 Amp. Before his passing, he told me that he was getting an new Icom IC 7851. Bell often referred to amateur radio as "magical". Art announced the loop antenna project on his Coast to Coast radio show in May 2003 Art's huge double loop antenna. Fabricated from 10 gauge wire and supported by thirteen 76 foot tall towers, the antenna is resonate on 640 kHz and operates on 160, 80, and 40 meters. The Big loop used 13 steel pipe poles, with PVC insulator pipe at the top, for a total height of 76 feet. Installing the Steel Poles Supported By 76 foot steel poles 76 foot steel poles the steel pipes, they have 3 sets of guys in 4 directions The top of the poles use PVC pipe, 7 foot spacing, but I told him that it would not hold-up in Kansas, with all the ice storms we have! View to the NW of Art's Compound, the steel pipes have 3 sets of guys in 4 directions and a RV hookup spot. The site also has a guest house and a few RV hookups K3JOX His Early Days Art Bell in The1970s Bell's spot was at 3830 kHz on 75 meters where he would gather with his cronies and a select group of followers and operate as "Whiskey Six Old Broken Bottles" NOTICE 03/01/2001: The '3830 Group' has changed frequencies to 3853 KHz for the time being, while interference is present on 3830. Should the interference move to 3853, look for us back on 3830. The 3830 group is a bunch of Ham radio guys and gals who have a long history of conversing on technical issues and current events, on the 75-meter Ham band. The group originally started with Art (W6OBB), Bob (K6MIT) and ORV (K6UEY). Art may come up on frequency after the show and many times on Saturday and Sunday nights. The group starts up generally about 12 Midnight, lasting until 4AM Pacific time. Shortwave Listeners will need a radio capable of receiving SSB (Single-Side Band) signals as we use LSB (Lower-Side Band). Tune into 3830 KHZ, or 3.830 MHZ on your SW receiver dial. Reception is generally better on the west coast, east coast listeners may not be able to hear all stations with out using a remote SDR. Art Bell's Ham callsign is W6OBB.Keith Rowland, your webmaster's call sign is KG7EL. The 3830 group has a members picture page at www.qsl.net/3830/ The 3830 group has a Message Forum called, " Voices in the Night ." Hello from "The Kingdom of Nye" W6BOO Art Bell served in the military as a Vietnam era U.S. Air Force medic. It was in the Air Force that he again entered broadcasting Bell migrated to Japan and to the island of Okinawa where he became a Disc Jockey at KSBK-AM in Naha. KSBK was Japan's only English language station and it fulfilled the GI's stationed in the area's thirst for rock-n-roll music. Bell also founded and operated Pahrump FM station KNYE 95.1 which he sold in 2006. Art Bell referred to the Pahrump area as "The Kingdom of Nye", hence the KNYE call sign. ART BELL FILES | Home Page https://youtu.be/jp532m-hti0?si=VREruVBfNTzEoCC3 https://k3rrr.com/art-bell-rare-ham-radio-conversation-w6obb-shortwave-alternative-talk-show-host-rare-recording/ https://www.arnewsline.org/extra/2018/4/19/amateur-radio-newsline-report-2112-extra-art-bell



