To: | <[email protected]> |
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Subject: | LF: RE: W1VLF 9 Khz Antenna update Putting inductance near the top. |
From: | "Paul A. Cianciolo" <[email protected]> |
Date: | Sun, 4 Apr 2010 16:28:24 -0400 |
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Stefan
On page 60 and 61
of the Low Frequency Experimenters Handbook Peter Dodd RSGB there is an
example putting a coil near the top of the antenna
In this case the
transmitter is on 137 Khz and a of a portion (1/2) of the "L" needed to resonate
was moved near the top. According to measurements by Rik Strobbe
ON7YD an increase of 4 to 5 db was measured.
Do you think it
would be worth the effort to put 1/4 of the total "L" needed near the
top
I could do that
very easily.
PaulC
W1VLF
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