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W6AM Rhombic & Open Feedlines

  • Writer: skylarkcolo
    skylarkcolo
  • Mar 4, 2019
  • 2 min read

Updated: Jul 10


a view of feed lines at the old w6am, many parts from this site are still in use at the K0UO rhombic farm  in KS, making it the large ham station in use at this time in the world, over 1200 acres with miles of rhombic arrays
Now that was a bunch of open wire feeder lines!!

The W6AM station, was legendary around the world.


W6AM BOOK

The book and the links below, show and outline W6AM Don Wallace's Ranch in detail, you can't talk Rhombic, without including Don, so I put this short page together to keep W6AM alive.


a view of feed lines at the old w6am, many parts from this site are still in use at the K0UO rhombic farm  in KS, making it the large ham station in use at this time in the world, over 1200 acres with miles of rhombic arrays
W6AM in the 1970s

The Origin: Press Wireless (1930s–1945)

The site itself was originally selected in the 1930s by Wallace himself while scouting locations for Press Wireless, an international communications consortium established by major newspapers to receive overseas news dispatches.

  • Location: Atop a 1,200-foot ridge on the Palos Verdes Peninsula in California, offering ideal, unobstructed low-angle radiation paths across the Pacific and Atlantic Oceans.

  • Acquisition: In 1945, Wallace purchased the surplus 120-acre commercial facility to house his ultimate amateur ham radio station.


A QSL card showing the W6AM site layout, in 1946
A QSL card showing the W6AM site layout, in 1946

The Golden Era: 16 Rhombics (1945–1962)

At its peak size, the original W6AM "Antenna Ranch" was a marvel of massive engineering infrastructure:


He has a lot of photos of W6AM on his page, https://www.qsl.net/ne6i/w6am/


During the last couple decades of the W6AM rhombic ranch, it were 9 rhombics and 18 directions on 24 acres, 1234 ft above the Los Angeles Basin, right on the edge of the Pacific. During its heyday, Don's property was 120 acres with 13 rhombics and 26 directions. Don somehow "acquired" the property from the billionaire Howard Hughes (Press Wireless). Height of the rhombics varied from 100 to 140 ft. In the late 60's or so, Don had to sell 95 of the acres (to pay the property taxes) and he collected the grand sum of $100K for the 95 acres. Today, the property is covered with hundreds of million dollar (plus) homes.

Legacy and Impact

When Don passed away in 1985, the historic antenna forest was dismantled to make way for housing developments, and his vast collection of gear was sold, distributed to various museums, historical societies, and educational institutions.

However, hardware from the original ranch lives on in the ham community. Decades later, original high-grade W6AM heavy-duty insulators, brackets, and robust hardware pieces are still actively prized and utilized by major "big gun" station the K0UO Rhombic Antenna Farm in Kansas—keeping a physical piece of Don's legendary station alive and on the air.


an old W6AM QSL CARD
W6AM QSL CARD, 1980
view photo of A Tall Antenna Poles at W6AM and Rhombic wire antennas
A 100 foot Antenna Pole at W6AM
view photo of A Tall Antenna Poles at W6AM and Rhombic wire antennas abd open wire feed lines
NO HOA!

Read The W6AM Book

Two great books W6AM and The Rhombic Antenna Design, Must Reads for all hams
Two great books W6AM, and The Rhombic Antenna Design, Must Reads

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" in 2012.

So W6AM is Still In the AIR and ON the AIR daily.


Also see Don Wallace W6AM 1984


W6AM site



SALE, of THE RANCH





 
 
 

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K0UO Rhombic Antenna Farm

K0UO Rhombic antenna Farm

17353 SE U.S. Hwy 281
Kiowa, KS 67070

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