Did you try it our?

Have you watched the video where he switches rhombic antennas and heard the difference?

KMI on the next lot to KPH had a series of about 30 switchable rhombics giving 12 degree resolution all around the compass. 

From WCC the Mediterranean Sea is about 50 degrees true, while the Suez Canal is 70 degrees. 

The further away the other station is from you, the greater the divergence of great circle bearings. 

From WCC bearings from New Zealand and Australia range from 245 degrees to 345.

Notice how one high gain antenna can cover most of Europe from WCC on this map, but to cover Australian and New Zealand waters required multiple antennas. 

73

David 

On Sun, Jul 21, 2024, 4:29 PM Chris R. NW6V <chrisrut7@gmail.com> wrote:

I lived, literally, across the street from Don's antenna farm for a couple of years. 

On Sun, Jul 21, 2024 at 12:53 PM D.J.J. Ring, Jr. <n1ea@arrl.net> wrote:

40 years ago Don Wallace, W6AM (b. 1898- d. 1985), was interviewed in 1984 by Wayne Overbeck, N6NB, for the PBS series, "Radio Collector." The interview takes place at Radio Ranch in Palos Verdes, CA, and shows Don's shack and antenna farm. The property is likely a condo farm today. The California Historical Radio Society, CHRS, is presenting this uncut interview. Don had 6 beams for Australia alone! He switches them with the switch that controls relay switching. On the air since 1910 until his death. Don had 14 rhombic antennas. 61 telephone poles supported his antennas, scattered around 120 acres. Another 110 poles carried the feedlines to the antennas. https://www.qsl.net/ne6i/w6am/ https://www.youtube.com/watch?v=E5iVb-3MHEY His QSL card shows the rhombic layout.

Press Wireless, an overseas radio communications company, bought 100 acres in the 1920s and set up a receiving station. The gently sloping hilltop, without a house in sight, was considered ideal for the station because of its 1,200-foot elevation.

Don C. Wallace helped the company choose the site and in 1945 bought the property from Press Wireless, along with an additional 20 acres. It already was dominated by the company’s commercial transmission poles, but Wallace brought in a large crane and reset all of them. “At one time,” said his son, “there were 45 miles of wire in the air.”

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