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LF: RE: 137.5kHz WSPRing - reports appreciated

from [Dave G3WCB.] [Permanent Link][Original]
To: <rsgb_lf_group@blacksheep.org>
Subject: LF: RE: 137.5kHz WSPRing - reports appreciated
From: "Dave G3WCB." <ganymede444@btopenworld.com>
Date: Sat, 29 Jan 2011 16:07:08 -0000
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Reply-to: rsgb_lf_group@blacksheep.org
Sender: owner-rsgb_lf_group@blacksheep.org
Hi, Roger.
 
Nothing seen from you so far today, or overnight last night. I'll leave the RX running until Sunday night.
 
73, Dave G3WCB
-----Original Message-----
From: owner-rsgb_lf_group@blacksheep.org [mailto:owner-rsgb_lf_group@blacksheep.org]On Behalf Of Roger Lapthorn
Sent: 29 January 2011 12:50
To: rsgb_lf_group@blacksheep.org
Subject: LF: 137.5kHz WSPRing - reports appreciated

Hi All,

Working on my 137.5kHz QRP transverter and will be TXing and RXing on 137.5kHz WSPR on and off during the weekend, so I 'd appreciate any reports. There are not that many people looking on 137.5kHz WSPR (136kHz USB dial) within my range, which is around 50-150km maximum.

At the moment I'm combining the RX preamp with the TX part of the transverter and optimising the combination. I use the RX part "straight through" via a tuned preamp using the FT817 in split mode RXing on 137kHz. This simplifies the design and should avoid relays or TX/RX switches.

73s
Roger G3XBM

--
g3xbm-qrp.blogspot.com/
www.g3xbm.co.uk
www.youtube.com/user/g3xbm
G3XBM   GQRP 1678    ISWL G11088
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