[amsat-bb] 1957

[Burns Fisher]

I don't speak or read Russian, but if this is about Sputnik-1, it is clear
that the Tx has 3 tubes, answering one question!

On Fri, Oct 5, 2018 at 9:00 AM, Hans BX2ABT <hans.bx2abt at msa.hinet.net>
wrote:

> 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
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> AMSAT-NA.
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