[HCARC] A little nostalgic help please...

[Mack WB2PCV]

Thanks for the nudge, John.  There are a lot of hams in our club that 
have forgotten more about the hobby than I'll ever know!

73

(And Reflector Godfather sounds so much more impressive than "list 
moms," which is what we called them over on the old woodworking tools 
list... Caio!)


On 12/13/2011 12:34 PM, John K5XA wrote:
> Hi Mack!
>
> Just a little gentle nudging re: the reflector. Once folks catch on it will
> grow.
>
> I wish I could help you, but I was never an SWL radio guy, and my limited
> inside the box experience only goes back to my license date in 1986.
>
> But I have a feeling you'll get a response. K5KS and K5HV both have been in
> the hobby for a long time and may understand your issue. I think possibly
> W0LPD and KM4DR also, and probably others.
>
> Let everyone know how your inquiry turned out.
>
> 73 ................... K5XA
>
> (P.S. Reflector Godfather????)
>
>> -----Original Message-----
>> From: hcarc-bounces at mailman.qth.net [mailto:hcarc-bounces at mailman.qth.net]
>> On Behalf Of Mack WB2PCV
>> Sent: Tuesday, December 13, 2011 12:13 PM
>> To: HCARC at mailman.qth.net
>> Subject: [HCARC] A little nostalgic help please...
>>
>> In keeping with the Reflector Godfather's admonitions, I hereby request
>> a bit of ham radio technical help.
>>
>> I have recently inherited two older SWL radios, neither of which work.
>> The first is a Heathkit GR-78 from the late '70's.  From what I've
>> picked up on the web, the common issue with these is that they are
>> powered by a Nicad battery - 9.6v, with a center tap at 4.8v.  The power
>> cord(s) are used only to trickle the Nicad.  Everything else looks
>> immaculate on the radio (the owner was more than a little AR.)  My
>> question: what are the possibilities of getting with a battery service
>> such as www.batterystation.com and having them make up a replacement
>> battery using newer composition batteries?  Is this crazy, or will it
> work?
>> The second unit is a Hallicrafters S-38 (no letter) apparently from
>> 1946.  I have not field tested this because the power cord is so
>> deteriorated that I would soon be a flash in the pan, as it were.  Since
>> it is going to need at least a little restoration work, I'm trying to
>> discern what the web-based Hallicrafter gods mean by "adding an
>> isolation transformer" into the power line.  I understand that under
>> some conditions polarity could be introduced (since the radio sports a
>> ground-interrupt power switch) that would leave the chassis hot, as in
>> very hot.  Great if you breath neon.  Anyway, is this something we wire
>> up external to the radio, or do we stuff it inside between the power
>> cord and switch?  How to we wire it?
>>
>> Thank you, esteemed Elmers and gents for your kind help.
>>
>> Mack
>> --
>>
>> */WB2PCV/*
>>
>> Mack McKinney
>> 159 Albrecht Rd
>> Center Point, TX 78010-5400
>>
>> (830) 634-7244 Home
>> (830) 370-8488 Cell
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>
>


-- 

*/WB2PCV/*

Mack McKinney
159 Albrecht Rd
Center Point, TX 78010-5400

(830) 634-7244 Home
(830) 370-8488 Cell