Howard's transmitter is probably operating on 10 meters. My plug-in coils
for 10m have about that many turns.
Joe W4AAB
----- Original Message -----
From: "Mike Duke, K5XU" <[EMAIL PROTECTED]>
To: "Discussion of AM Radio" <[email protected]>
Sent: Monday, March 17, 2008 4:38 PM
Subject: [AMRadio] Fw: determining frequency of a transmitter?
A friend recently posed this question to me.
Since there are builders here who know far more about tank coils than me,
I,
yield to the experts.
Mike Duke, K5XU
----- Original Message -----
From: "Howard Traxler" <[EMAIL PROTECTED]>
Sent: Monday, March 17, 2008 7:09 AM
Subject: determining frequency of a transmitter?
recently I purchased a transmitter--home brew. There is no designation of
what frequency band it operates. It is a plate modulated 807, crystal
control (oscillator tube missing). The output tank has some rather small
tuning capacitors and a air wound coil about an inch in diameter and maybe
eight turns at about half inch spacing with a tap a couple turns from one
end.
Any ideas? Thanks
73, de Howard, WA9RYF
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