[amsat-bb] [Video] Preamp test in front of radio / satellite ground station build update

[Hasan al-Basri]

https://www.ebay.com/itm/Receive-Preamp-Masthead-RF-Switched-for-2m-type-RP2SM-/282754438832

...and these are very good, from what I can tell:
https://www.minikits.com.au/electronic-kits/rf-amplifiers/rf-preamplifiers/eme220-2m




Hasan


On Tue, Jan 28, 2020 at 4:02 PM Steve A <onmontauk at gmail.com> wrote:

> I talked to him on the phone, and he says he is done. I even asked for
> some, I would pay extra, no reply.
> Steve W2AKK
>
> Sent from my iPhone
>
> On Jan 28, 2020, at 4:45 PM, Hasan al-Basri <hbasri.schiers6 at gmail.com>
> wrote:
>
> 
> ARR Gasfet preamps for 2m are every bit as good as the SSB Electronics
> ones. The issue is power handling. The SSB units handle high power, the
> limit for a switching preamp on ARR's (that were still available) was 25
> watts. I believe they stopped making the 160w jobs.
>
> I think you can still get the ARR 25w RF switching preamps. I looked last
> month and they were still available, but perhaps they have thrown in the
> towel.
>
> 73, N0AN
> Hasan
>
>
> On Tue, Jan 28, 2020 at 3:38 PM John Brier via AMSAT-BB <
> amsat-bb at amsat.org> wrote:
>
>> SSB Electronics has mast mount preamps that some people prefer over
>> ARR, that I assume are comparable. But my googling produced a website
>> that has an error loading.
>>
>> 73, John Brier KG4AKV
>>
>> On Tue, Jan 28, 2020 at 4:05 PM Steve A <onmontauk at gmail.com> wrote:
>> >
>> > Now that Advanced Receiver Research has stopped production, is there a
>> suitable replacement? I am looking for my ground station.
>> > Steve W2AKK
>> >
>> > On Tue, Jan 28, 2020 at 3:56 PM John Brier via AMSAT-BB <
>> amsat-bb at amsat.org> wrote:
>> >>
>> >> Here is a little update on my satellite ground station build project
>> >> and a demonstration of a test I did with my Advanced Receiver Research
>> >> 2 meter preamplifier.
>> >>
>> >> https://youtu.be/BNai203eUnI
>> >>
>> >> 73, John Brier KG4AKV
>> >> _______________________________________________
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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!
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>