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From: "Gary - G4WGT" <g4wgt@tiscali.co.uk>
To: <rsgb_lf_group@blacksheep.org>
Date: Mon, 11 Sep 2006 13:49:37 +0100
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Subject: LF: RE: Strange detector
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Hi J & LF,

I have a Yaesu FT-747GX & when I Tx LF I see a light shining out of the back
slots onto the wall from the Rx antenna fuse bulb. Yes the bulb is lit to
full brilliance, the operation FT-747GX doesn't appear to have been
effected. LF RF is being picked up on the HF antenna.

73

Gary - G4WGT.

-----Original Message-----
From: owner-rsgb_lf_group@blacksheep.org
[mailto:owner-rsgb_lf_group@blacksheep.org]On Behalf Of J. Allen
Sent: 11 September 2006 05:38
To: LF (RSGB); LowFER at LW Cafe
Subject: LF: Strange detector


Haloo Group,

I wonder how many here have similar oddities to share....

Another part of my hobby is contesting... I have a RAT PAK remote antenna
switch which mounts on the tower which is used for LF.  The RAT PAK although
not in use on LF has a set of six LEDs to indicate which antenna has been
selected in the shack during HF operation.

This is where the odd indication comes in.  Whenever the LF transmitter
keys, all six LEDs glow softly and the brilliance of the LEDs increase with
the power level.  It makes a nice indicator that the beacon is working and
putting out reasonable power.  The first time I keyed down with more than 50
watts, it was quite a surprise.  150 Watts glow at what looks like 1/10 of
brilliance.

Now lets calculate... if 400 watts turns out to really be 1 W ierp here,
full brilliance would mean how many dB above legal limit?   :o)

J.