You might check out SHF Elektronic
http://www.shf-elektronik.de/en/
I use their 903 and 2304 preamps. Work well and a lot of options.
Mike
On 11/7/2019 4:02 PM, Jim White via AMSAT-BB 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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