|[AMRadio] Fw: determining frequency of a transmitter?|
crawfish at surfmore.net
Mon Mar 17 19:04:14 EST 2008
Howard's transmitter is probably operating on 10 meters. My plug-in coils
for 10m have about that many turns.
----- Original Message -----
From: "Mike Duke, K5XU" <k5xu at comcast.net>
To: "Discussion of AM Radio" <amradio at mailman.qth.net>
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,
> yield to the experts.
> Mike Duke, K5XU
> ----- Original Message -----
> From: "Howard Traxler" <htraxler2 at EARTHLINK.NET>
> 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
> Any ideas? Thanks
> 73, de Howard, WA9RYF
> No virus found in this incoming message.
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> 10:34 AM
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