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From: "Vladimir Shuplyakov" <vladimir@m-media.ru>
To: rsgb_lf_group@blacksheep.org
References: <000c01c30f29$700bc080$bbe4fc3e@l8p8y6> <003201c30f4f$ee182a60$6507a8c0@Main> <002701c30fb1$270b8400$4803000a@oo> <006a01c30fb6$6c52dc20$fe78a8c0@W1KW>
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Subject: LF: Re: Re: 2-nd probe
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Thanks for support, Holger! Yes, I lost IRFP460 FET, his coast seems near my
half day paying, hi! But main problem - closed shops today and tomorrow.
Well, I will transmit today QRSS20 137750, hope with improved power.
73! Vlad.
----- Original Message -----
From: "Holger 'Geri', DK8KW" <holger.kinzel@qru.de>
To: <rsgb_lf_group@blacksheep.org>
Sent: Thursday, May 01, 2003 11:51 AM
Subject: LF: Re: 2-nd probe


> Hello Vlad,
>
> sorry to hear about your problems, I do exactly know what you are talking
> about, I have lost about 2 dozens FETs during my experiments. So good luck
> and hope to receive a signal from you next time.
>
> 73
>
> Geri, DK8KW (W1KW)
>
> P.S.: A suggestion from my side: maybe you could move your beacon-test
> frequency a little bit further off the very busy 137.700 kHz, maybe to a
> range between 137.725 to 137.750 kHz or so, because there was a lot of
> traffic going on yesterday night that would have covered your signal.
>
>
> ----- Original Message -----
> From: "Vladimir Shuplyakov" <vladimir@m-media.ru>
> To: <rsgb_lf_group@blacksheep.org>
> Sent: Thursday, May 01, 2003 9:13 AM
> Subject: LF: 2-nd probe
>
>
> >     Agane fortune not stay with our LF experiment. Unstable insulator at
> the
> > end of antenna damage one of our pair FETS in amplifier. I QRV QRSS20
> beacon
> > 137710 at 20UT only with driver power 7 Watts output. Antenna current
was
> > 300mA only.
> >     I we are finde a posibility to bay FETS (we have a holydays now),
will
> > continue with improved power. Not surre. Any way, will probe bepolar
> > amplifier 70 Watts out.
> > 73! Vlad. RX3QFM.
> >
> >
> >
>
>
>