[time-nuts] Re: HP 10811A unusual appearance

[Bob kb8tq]

Hi

I should have access to the supply dump some time in November. 
My take was that they started off with a more exotic PCB approach
early on and simplified things a few years later. If I remember correctly
the solder mask changed a bit at the change over as well. 

Bob

> On Aug 24, 2022, at 6:13 AM, Matt Huszagh <huszaghmatt at gmail.com> wrote:
> 
> Bob kb8tq <kb8tq at n1k.org> writes:
> 
>> There are at least two *very* different 10811 PCB’s out in the wild
>> in quantity. I don’t have access to the “stockpile” right now so I can’t
>> say how the one in the picture compares to the commonly seen 
>> varieties. 
> 
> If you do get access at some point and it's not too much trouble to
> check, I'd be interested to know more about this. Do you know the reason
> for having two versions? Is it simply that one was an earlier design and
> the other replaced it?
> 
> Thanks
> Matt