Topband: Topband Digest, Vol 137, Issue 7

nekvter at nekvter at
Mon May 12 13:09:04 EDT 2014

>> Parts of the broadcast not included  had CW QRM (someone sending

Interesting to note that QRMing of DXpeditions has a long history!

Brian K1LI

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Today's Topics:

   1. Long wave Beverage antennas (k1fz)

Message: 1
Date: Sun, 11 May 2014 16:16:47 -0400
From: "k1fz" 
Subject: Topband: Long wave Beverage antennas
Content-Type: text/plain; charset="iso-8859-1"

A excerpt from the March 1925  trans-Atlantic broadcast is available
again on my  page. It is large,
taking time to download.
Parts of the broadcast not included  had CW QRM (someone sending V's),
and severe QSB. 
This broadcast was received on a  52,610 foot wave (Beverage) antenna
consisting of two #10 wires starting at Belfast and going to South
Searsmont, on the far side of Black Brook, near Moody mountain.  
The spaced wires ran South-West, but transformers were configured to
receive from the North-East,
By 1926 they had three runs spaced six miles.  Total ground length
29.890 miles of two spaced wires.  Total #10 wire in the air is just
under 60 miles.
Radio Corporation of America abandoned the site and antenna  just
after the 1929 stock market crash.  By early 1930s, to well after
World War II,  rural electrification took place and much of the wire
went into farms across the country side.

I saw a WEB site saying the Houlton Wave antenna of 4 phased, 3 miles
long, spaced 2 miles is probably the largest wave antenna. I don't
think so !


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