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
2012 15:40:37 -0600
From: Alan P. Biddle apbid...@united.net
To: 'PETER SIMONSEN' pureend...@msn.com, amsat-bb@amsat.org
Subject: [amsat-bb] Re: Receive Pre-Amps for 70cm
Message-ID: 86B0819F8E944465B5B0C98010D7AAB7@WA4SCA
Content-Type: text/plain; charset=us-ascii
Peter,
A 70 cm preamp is always
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
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
