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[linrad] Fwd: Softrock as part of VHF receive chain
- Subject: [linrad] Fwd: Softrock as part of VHF receive chain
- From: w3sz <comcast.net; w3sz@xxxxxxxxxxxxxxxx>
- Date: Tue, 02 May 2006 06:39:16 -0400
Hi, All,
RE: the recent threads on using Softrocks as part of the receive chain; in
the latest EME Newsletter for 432 and up it is noted that Dave Robinson,
WW2R, is using a SoftRock 7 as part of his receive chain for
1296 MHz EME. Here is the post. I posted the whole thing so you can get
a sense of things:
WW2R: Dave rxxxxxx@xxxxxxxxxx is now QRV on 13 cm as well as 23 cm - On 1
April I built a 13 cm VE4MA superfeed with tubing donated/shipped by
PA3CSG - TNX. On 2 April I had a sked with VE6TA at 1700 but my DB6NT
xverter broke twice. We eventually worked at 2000 for initial #1. During
the week I changed preamps to a WD5AGO style and changed the
relay/adaptors, lowering the system NF by 0.35 dB. On 8 April I operated
the DUBUS contest. Exceptionally loud signals were heard and my echoes
copied 2 dB over the noise. I worked OK1CA, F2TU, W5LUA and OK1KIR. CWNR
were ES5PC and HB9JAW. On 9 April signals weaker and no echoes copied.
OK1CA seemed down by 10 dB. I CWNR HB9SV, OE9ERC (2 hours) and SK0UX (1
hour). I also heard but did not QSO WA6PY. I did work OZ4MM (weaker) and
G3LTF crossband on sked.
Using my softrock 7 RX, I simultaneously monitored 2320 and 2304 all
weekend. G3LTF was the only signal identified on 2320.
I also listened on 2424 during JA window, but heard nothing. On 11 April I
worked OE9ERC for initial #8 (17 dB over the noise) on a sked on both CW
and SSB. Echoes were 1 dB over the noise at this time. On 12 April I
received nil on sked with NA4N, and heard WD5AGO on sked but did not
complete. I have my 23 cm feed back in the dish in preparation for May
contest activity. I have also stared work on a 3456 system.
---------------end of WW2R post---------------------
Its nice to see that the SoftRock 7 has been 'battle-tested' and is
performing well ;)
I got my SoftRocks for 160m and 80/40m yesterday and hope to put them
together this weekend, though I have a few other chores that may prevent
that. The v7's for 28 MHz should be shipped next week, I believe.
I have emailed Bill Kelsey N8ET at Kanga USA and he has the LNA's for the
R2 Pro in stock at $12 each plus $5 for shipping. I had previously posted
his URL, and his URL lists his email address for those interested.
Have a great day all,
73,
Roger
W3SZ
--
Roger Rehr
W3SZ
http://www.nitehawk.com/w3sz/
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