[BC] Detroit 1500

[Kevin Tekel]

Barry Mishkind wrote:
> The physics of 21 towers (spacing, etc), not to mention the cost in 
> land and steel, would make it a rather unworkable project at all 
> today, one would think.

>From WRTH 1995:

"For Radio Moscow's external services to Scandinavia in the evening
the 1494 kHz transmitter is switched to a highly directional antenna
system called 'Zarya', which produces a gain of 25 dB at an azimuth
of 258 degrees.  This Beverage type system has 26 equidistant masts
on a straight line and a total length of about 2500 meters!"

There is a small photo of the Zarya array, with a caption saying:
"The 'Zarya' directional MW antenna at Popovka.  The actual distance
between the masts is around 100 m and the height of each mast just
over 40 m."

This is/was on a transmitter site 30 km southeast of St. Petersburg,
with LW, MW, and SW transmitting facilities.  At the time the article
was written, the 1494 kHz service was using a 2000 kW transmitter
operating at 1200 kW.

1200 kW with 25 dB of gain... I'm sure plenty of U.S. stations would
love to have that on AM!!



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