Peter,
Assuming full duplex and no rf switching requirement (aka recieve only) my
particular choice is DEMI's series of preamps. Cost $75 built and tested. If
you're like me and don't mind a little solder smoke, and have access to test
equipment for alignment, the kit is available for 45$.
73 e
Peter,
A 70 cm preamp is always useful! There are a lot of them out there, but my
experience is that ARR and SSB Electronics make the best. Definitely not
the cheapest, though.
http://advancedreceiver.com/page2.html
http://www.ssbusa.com/gaasfet.html
Be certain to get one which is RF switched
Peter,
An omni antenna with the current crop of LEO's is at the margin for an
effective station. A preamp will help substantially in two cases: 1) the
antenna and radio are far enough apart the RF losses in the coax cable degrade
the signal (and more importantly, the NF), or 2) your radio's f
6 Feb 2012 15:40:37 -0600
From: "Alan P. Biddle"
To: "'PETER SIMONSEN'" ,
Subject: [amsat-bb] Re: Receive Pre-Amps for 70cm
Message-ID: <86B0819F8E944465B5B0C98010D7AAB7@WA4SCA>
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Peter,
A 70 cm preamp is al