[amsat-bb] 1957

[Hans BX2ABT]

A quick search yielded this....

ftp://ftp.radio.ru/pub/2013/04/55.pdf

Any Russian speakers here?


On 10/5/18 8:45 PM, Burns Fisher wrote:
> Lots of interesting stuff in the wikipedia article:
> https://en.wikipedia.org/wiki/Sputnik_1#Design but it does not say what the
> active device was.  A 1 watt transmitter in 1957?  Must have been tubes, no?
>
> An interesting thing I did not know:  It was filled with nitrogen and used
> a fan to cool off the electronics!
>
> On Thu, Oct 4, 2018 at 10:34 PM, JR3MHP <jr3mhp at jarl.com> wrote:
>
>> Awesome!! Thank you, Bruce!!
>>
>>
>> What kind of devices did they use for transmitting this signal? I wonder
>> transistors were good enough for this frequency, but....  vacuum tubes??
>>
>>
>> Best 73,
>> Hiro (JR3MHP)
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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: http://www.amsat.org/mailman/listinfo/amsat-bb
>
>
>