On 26/01/14 02:33, Morris Odell wrote:
Thanks for the reply Magnus. I know the frequency control function is
unaffected by the date problem but I'm far too obsessional to ignore it :-)
I contemplated the AVR solution to correct the code but once I looked at the
output of the receiver with a MAX232 as suggested here, I found there were
quite a few different and varying NMEA and proprietary sentences being sent
each second and most of them contained the time & date in one form or
another. Not knowing which ones the Z39815 relies on means they all have to
be identified and corrected. Programming an AVR to fix this would not be
beyond me but it would be complex and time consuming compared to the
receiver transplant and I'd still have to make the hardware for the AVR. It
would also mean finding a bit of room inside the Z3815 to fit an AVR board .
It's also sort of kludgy, like wearing gloves because your pen leaks.
Better, I think, to transplant the receiver. The GT-8031 will suffer a
similar fate according to the spec, at midnight on December 31, 2079 but
I'll be 130 years old then so probably won't need to replace it again....
Your doomsday machine will fail on that date. Good to know. No manic
laughter from your grave after that.
Ah well, I understand your reasoning. Would be interesting if someone
did do the other approach as well.
Cheers,
Magnus
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