[GreenKeys] Associated Press box

[Harold Hallikainen]

The previous email bounced due to attachment size. The box has a "Property
of Associated Press" label on it. Originally I only saw the outside
photos. Once we see the inside photos, it's clearly a loop supply.

Harold

> Didn't see previous post either.  This has a WU look to it.  They seemed
> to use Freed transformers?   I have a sort of similar looking unit that
> came out a WU badges 28.  I set it aside since it used an autotransformer.
>  Prefer to have complete isolation from power line.
>
> John, W9DDD
>
>
>> On Mar 18, 2020, at 6:51 PM, Paul Heller <paul0926 at comcast.net> wrote:
>>
>> Was probably on a model 19. I see the silenium rectifier. I’ve never
>> taken the cover off one, but I’m guess this is what would be inside.
>>
>> Was there a discussion about this that I missed? More photos from where?
>>
>> Paul
>>
>>
>>> On Mar 18, 2020, at 1:45 PM, Harold Hallikainen <harold at w6iwi.org>
>>> wrote:
>>>
>>> I just received more photos. It definitely looks like a DC loop supply
>>> to
>>> me. When I worked in radio, there was a demodulator with built-in loop
>>> supply on the shelf under the model 15. Not sure where this would have
>>> been used.
>>>
>>> Harold
>>>
>>> --
>>> FCC Rules Updated Daily at http://www.hallikainen.com
>>> Not sent from an
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>


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