[amsat-bb] Preamp source

[Leffke, Zachary]

Wow, this is big news concerning ARR and no more mast mounted preamps.....We rely on them heavily for VT ground station systems for ham bands and for a few other bands (our original preamps were also Landwehr).

Thanks Jim for bringing this up, and thanks to all for posting alternative options.  I’ll have to start keeping my eyes open for backups and alternatives.


M2 Antennas also has a VHF preamp with similar specs/price to the ARR VHF preamp…..though they only offer the VHF option.  https://www.m2inc.com/FG2MPA

-Zach, KJ4QLP

--
Research Associate
Aerospace & Ocean Systems Lab
Ted & Karyn Hume Center for National Security & Technology
Virginia Polytechnic Institute & State University
Work Phone: 540-231-4174
Cell Phone: 540-808-6305

-----Original Message-----
From: AMSAT-BB <amsat-bb-bounces at amsat.org> On Behalf Of W3AB/GEO via AMSAT-BB
Sent: Thursday, November 7, 2019 4:57 PM
To: Jim White <jim at coloradosatellite.com>
Cc: AMSAT-BB <amsat-bb at amsat.org>
Subject: Re: [amsat-bb] Preamp source

I've had good luck with these.

https://www.minikits.com.au/eme220-2m
⁣___
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73 de W3AB/GEO​

On Nov 7, 2019, 13:05, at 13:05, Jim White via AMSAT-BB <amsat-bb at amsat.org> wrote:
>My 22 year old Landwehr VHF preamp finally gave it up.
>
>I'd appreciate leads on high quality mast mounted preamps for VHF.  AR2
>
>doesn't answer their phone and some uni's I work with say it takes days
>
>to get a call back then AR2 didn't have the one they wanted and said
>they would not be making any more.  And SSB USA's recording says they
>are only available sporadically.  Looks like I can order direct from
>SSB
>in Germany so that's an option.
>
>Are there any low noise RF switched manufacturers/vendors in the U.S.
>these days? Where are folks getting preamps these days?
>
>Jim
>
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_______________________________________________
Sent via AMSAT-BB at amsat.org. AMSAT-NA makes this open forum available
to all interested persons worldwide without requiring membership. Opinions expressed
are solely those of the author, and do not reflect the official views of AMSAT-NA.
Not an AMSAT-NA member? Join now to support the amateur satellite program!
Subscription settings: https://www.amsat.org/mailman/listinfo/amsat-bb