[time-nuts] Heathkit GC 1000 Most Accurate Question

paul swed paulswedb at gmail.com
Mon Feb 5 19:05:10 UTC 2018


Bill
I see the manual is online for the GC1000.
The 1KHZ tone decoder may be suspect in that its drifted off frequency. Its
a little ne-567 chip with a pot.
ne 567s were never all that great...
Regards
Paul

On Mon, Feb 5, 2018 at 12:39 PM, Dave Daniel <kc0wjn at gmail.com> wrote:

> Hi, Bill.
>
> I have three GC-1000s, one unbuilt and two built. Both of the built radios
> have stopped showing a time display. I haven't had a chance to figure out
> what happened to them. I live very close to Fort Collins, CO.
>
> I experience power failures fairly often and when my clocks were working
> they used to take a very long time (on the order of a day) to re-sync after
> power came back on. I am wondering if the power failures might have damaged
> my radios in some way.
>
> Have you double-checked the settings on your radio against the manual, and
> have you done any experiments to see if the receiving conditions where you
> have your clock located haven't changed or are not conducive to reception?
>
> DaveD
>
>
> On 2/5/2018 9:19 AM, Bill Baker via time-nuts wrote:
>
>> I own a Heathkit GC 1000 Most Accurate Clock.  It's in terrific shape but
>> not used for many years.  It has stopped locking up to WWV and sometimes
>> freezes up.  Can any of our "nuts" repair it?  Anyone want to buy it?
>>
>> Bill, w1bkr at aol.com
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