[Milsurplus] SC-901X questions

[Nick England]

SC-908 amp Photo

https://m.ebay.fr/itm/Military-HF-SSB-linear-power-amplifier-1-5kW-SC-908A-excellent-8295A-tube-ham-/111647795170?_mwBanner=1


On Tue, Mar 27, 2018 at 10:34 AM Nick England <navy.radio at gmail.com> wrote:

> There was a matching 1kw SC-9?? amp using a PL-172. One shows up on eBay
> every now and then.
>
> I suspect this was all a USN funded development effort. Air Force use was
> just incidental. The low power exciter design allowed flexibility as it did
> for TMC.
>
> And commonality of modules for transceiver, receiver, and transmitter was
> a big plus. Navy versions were RT-618, R-1051, and T-827. Amps for 100w
> (AM-3007) and 1kw (AM-3924) output were used.
>
> OT- Duck and cover was to protect kids from flying glass and debris. No
> use at ground zero but there would be huge areas getting shock wave damage.
> People nowadays laugh at CD, SAGE, etc. but remember this was just after a
> world war with 100 million dead and suddenly a single aircraft could
> destroy a city. The govt was rightfully extremely worried.
> YMMV
> Nick
>
>
> On Tue, Mar 27, 2018 at 7:34 AM Hubert Miller <Kargo_cult at msn.com> wrote:
>
>> This doesn't address why a SSB exciter was built into its own package,
>> when the power output
>> from it would not suffice for communication on its own. I didn't bring
>> mine back with me from the
>> trip, but I don't recall rackmount ears on it either.  Maybe next time.
>> I'm sure it will be super
>> interesting to pull the cover and see the insides.
>>
>> Diving under a desk wouldn't protect you from a nuclear blast unless you
>> were far enough that
>> the pressure wave was lessened at your location. Then it might help you
>> ward off some flying
>> glass and other junk. But even if you were closer, too close to survive
>> the initial effects, very few
>> people would just give up, say why even bother. That's not human nature.
>> -Hue
>>
>> >CD was Civil Defense. Back when
>> the Nuclear Holocaust was just
>> around the corner.
>>
>> Tons of that stuff sort of went away
>> and never heard from again.
>>
>> As for the SC-901X, it was designed
>> to survive a Nuclear blast. People
>> really got paid big bucks back then
>> to think up these requirements.
>>
>> I remember when schoolkids had to
>> crawl under their desks in the event
>> of a Nuclear attack. Like that would
>> help you survive a 20 Megaton blast.
>>
>> 73, Dick, W1KSZ
>>
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>
> --
> Nick England K4NYW
> www.navy-radio.com
>
-- 
Nick England K4NYW
www.navy-radio.com
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