[Hammarlund] Why 2nd RF stage?

[Roger D Johnson]

Make that "Communications Equipment Maintenance Bulletin"


On 11/30/2014 6:12 PM, Roger D Johnson wrote:
> The Navy spec was "400 micromicrowatts appearing from antenna to
> ground at optimum load resistance." This from Communications Maintenance
> Bulletin, Apr 1946.
>
> 73, Roger
>
> On 11/30/2014 5:52 PM, billriches wrote:
>> I had heard somewhere that one reason was to prevent hf oscillator signal
>> from being transmitted on the rx antenna.  The enemy could pick it up and
>> home in on the ship.
>>
>> 73,
>>
>> Bill, WA2DVU
>> Cape May
>>
>>
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