I emailed Trimble on the off chance they might have a firmware upgrade.  They 
sent me an email which covered some units that rolled over in Feb. 2016 for 
which they say they have no upgrade.

I sent them all the information on the label stuck to the outside of my TB (one 
of the group buy set), to see if there's any hope ...

I'm not optimistic, but if you don't ask, you don't get.

Cheers
Dave

-----Original Message-----
From: time-nuts [mailto:time-nuts-boun...@febo.com] On Behalf Of Mark Sims
Sent: 30 July 2017 17:18
To: time-nuts@febo.com
Subject: [time-nuts] Trimble Thunderbolt no longer determines the correct date

That does not appear to be the case.   If it did a reset the DAC should have 
gone to the InitV eeprom setting  of 2.800V,  but instead mine spiked to 0.308V 
which is not close to the InitV or the last known DAC values.  

My log file shows the unit did a filter-reinit  followed two seconds later by 
phase locking the PPS.

--------------

> Or maybe the TBolt reset on rollover and went back to a previously saved DAC 
> value.
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