[Milsurplus] Unknown mil radio

[Michael Bittner]

Well, by golly, I shoulda looked closer at the schematic diagram.  Sure 
enough, there are four crystals for four switchable channels in addition to 
the motorized, ganged tuning caps.  Thanks, Robert.

Mike, W6MAB
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----- Original Message ----- 
From: "WA5CAB--- via Milsurplus" <milsurplus at mailman.qth.net>
To: <milsurplus at mailman.qth.net>
Sent: Sunday, March 01, 2015 9:56 AM
Subject: Re: [Milsurplus] Unknown mil radio


> Mike,
>
> The R-28 was originally crystal controlled (4-channels).  One of the 
> common
> hacks was to convert it to tunable, although I don't know how stable the
> converted receiver typically was.
>
> Robert Downs - Houston
> wa5cab dot com (Web Store)
> MVPA 9480
>
> In a message dated 03/01/2015 11:47:26 AM Central Standard Time,
> mmab at cox.net writes:
>> Jeff, thanks for your reply and reference.  I was under the misimpression
>>
>> that the chanalization of the R-28 was under crystal control, so the
>> tuning
>> dial threw me off.  Now I see, in your reference, that this rcvr has nine
>> ganged variable capacitors for tuning.  Thanks also to all others who
>> answered my query.
>>
>> 73, Mike W6MAB
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