[Milsurplus] BC-221 types

[J. Forster]

AFAIK, the AC power supplies are all field installable options.

My AK was pretty close to dead nuts on, at least on one band, compared to
a Rb locked counter.

-John

===============


> Hi
>
> I haven't seen a lot of difference between the models. It seems to work
> out as:
>
> 1) Nice to have a calibration book that goes with the serial number you
> have.
> 2) AC power versions seem to be more desirable than the "not AC" versions.
>
> That said, it's not real clear just how accurate a > 50 year old
> calibration book really is. It's still a nice thing to have. I've always
> liked the versions with the corrector in the coil (thermal spring and
> rotating loop). I'm not at all sure they work any better. They are a cool
> piece of technology.
>
> Bob
>
> On Jul 26, 2013, at 4:33 PM, telegrapher at q.com wrote:
>
>> I hate it when a simple message gets flagged like this.
>>
>>
>> ----- Forwarded Message -----
>> From: Mail Delivery System <postmaster at q.com>
>> To: telegrapher at q.com
>> Sent: Fri, 26 Jul 2013 16:30:10 -0400 (EDT)
>> Subject: Mail Delivery Failure
>>
>> This message was created automatically by the mail system (ecelerity).
>>
>> A message that you sent could not be delivered to one or more of its
>> recipients. This is a permanent error. The following address(es) failed:
>>
>>>>> boatanchors at mailman.qth.net (reading confirmation): 550 The content
>>>>> of this message looked like spam.
>> ----------------------------------------------------------------------------------------------------------
>>
>> I would like to know if there is a bc-221 model that is undesirable and
>> vs.
>>
>> Try this again
>>
>> Larry
>> W0OGH
>>
>>
>>
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