On 9/13/2019 4:18 PM, [email protected] wrote:
To compound the design compromises, the r hombic termination
resistor throws away nearly 3 dB of whatever gain it might achieve.
When our senior EE class toured Crosley's Mason, OH VOA site in 1964,
the engineers were quite proud of their modification to the design that
fed the termination power back into the feedpoint. All that remains of
that spectacular station is the transmitter building. When we toured it,
there were >25 rhombics and two Sterba Curtains. 10-15 years ago, my son
worked as the manager for a restaurant/bar on the land where the antenna
farm used to be. Several years ago, I drove by the VOA station at
Delano, CA, about 45 miles S of Visalia. At least some of the antenna
farm was still there, but inquiry told me that the transmitters were
"somewhere in South America." At the time, I had hopes of arranging a
tour for Visalia DX Convention attendees.
There are still some shore stations along the Pacific coast with
rhombics. The KPH TX and RX stations are 30-40 miles apart. There's
another RX station along Rte 1 S of Half Moon Bay, with an associated TX
station around Palo Alto.
73, Jim K9YC
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