[time-nuts] FE-5680B Rubidium and DDS

[Clint Jay]

I've recently purchased one of the PPS Only FE Rubidium standards from eBay
and, like many others I suspect, haven't been able to get a stable output
frequency that lasts longer than a few seconds from the module.

It appears that the 10MHz source vanishes after a few seconds but this is
controlled by firmware.

Which leads to my question, there is a dump of the firmware from the
FE-5680, has anyone tried to reprogram one?
-- 
Clint.

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