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Message-ID: <009e01c6d6ce$c7e7c4a0$8fce28c3@captbrian>
From: "captbrian" <captbrian@ukonline.co.uk>
To: <rsgb_lf_group@blacksheep.org>
References: <NKEMLGOEKANPNJOBFBAFGECOCPAA.g4wgt@tiscali.co.uk> <005d01c6d5d8$af2493e0$721686d4@captbrian>
Date: Wed, 13 Sep 2006 01:51:03 +0100
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Subject: LF: Re: Re: RE: Strange detector
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Status: O

what puzzles me is that you can energise a bulb   [300 ma x 12.6volts?] at
nearly 4 watts with an ERP of less than 1 watt...........;-))

G3GVB


----- Original Message -----
From: "captbrian" <captbrian@ukonline.co.uk>
To: <rsgb_lf_group@blacksheep.org>
Sent: 11 September 2006 20:30
Subject: LF: Re: RE: Strange detector


> You have been lucky so far. I would disconnect  HF antenna pdq before
> LF-ing.
>
> Bryan
> ----- Original Message -----
> From: "Gary - G4WGT" <g4wgt@tiscali.co.uk>
> To: <rsgb_lf_group@blacksheep.org>
> Sent: 11 September 2006 13:49
> Subject: LF: RE: Strange detector
>
>
> > 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.
> >
> >
> >
> >
>
>
>