[ARC5] 4th Receiver Drift Test from KE6F Hallicrafters S38B

[K5MYJ]

WWV is AM! Remember that AM is not as sensitive to drift as CW is.

Bob Macklin
K5MYJ
Seattle, Wa.
"Real Radios Glow In The Dark"
----- Original Message ----- 
From: "Rich Post" <kb8tad at gmail.com>
To: "ARC-5 List" <arc5 at mailman.qth.net>
Sent: Wednesday, December 02, 2015 8:36 AM
Subject: Re: [ARC5] 4th Receiver Drift Test from KE6F Hallicrafters S38B


> When visiting the Lowell Observatory in Flagstaff, AZ a few year ago, I
> noticed a lone S-38 sitting in the room.  I wondered why it was there and
> then it dawned on me.  It was a clock accurate to the second, ticking away
> WWV in the dark night, no light needed.  Apparently it was good enough to
> accurately stay tuned to WWV.  Which S-38 model?  I didn't check but it 
> was
> a letter version, so A, B, or C since it did not have the extra red slide
> switch of the original no-letter version.
>
> Rich KB8TAD
>
> On Wed, Dec 2, 2015 at 1:32 AM, Bob via ARC5 <arc5 at mailman.qth.net> wrote:
>
>>
>> Hi to all and thanks to those who have been responding to the postings
>>
>>
>> Here comes a few notes on the much maligned Hallicrafters S38B  AC/DC
>> shock hazard and probably one of the most produced SW radios ever,
>>
>>
>> Generally the radio that was tested is in good condition and worked on 
>> all
>> bands although I only ran drift tests on 80 40 and a quick test on 20
>> meters.  The test environment was nearly the same as previous runs, but 
>> due
>> to what I assumed was going to be less than stellar performance the
>> following processes were put into play
>>
>>
>> ....  I did listen to some SW AM broadcasts along with WWV on 5 and 10 
>> MHz.
>>
>>
>>
>>
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