[time-nuts] Symmetricom Nortel NTBW50AA GPSTM 19200 baud

Bob Camp kb8tq at n1k.org
Mon Apr 18 18:02:25 EDT 2016


Hi

LH is designed to work with Trimble (and not Symmetricom) GPSDO’s. The HP / Symmetricom 
“empire” does not have anything quite as nice as LH to support it. 

There are indeed “Trimble” labeled GPSDO’s on the auction sites that are not actually GPSDO’s 
made by Trimble. They have a few parts in them with Trimble labels on them. The “real” Trimble
made GPSDO’s (like the TBolt or the Trimble NTBW50AA) are what work best with LH.

Bob



> On Apr 18, 2016, at 12:36 PM, Dallas Smith <dosmith at outlook.com> wrote:
> 
> Hello,
> 
> I'm new to this group, I've just mistakenly purchased a Symmetricom Nortel NTBW50AA GPSTM, 19200 baud, on E-bay. Even thought it works the GPS monitor program 1.5 is unstable as I see other on Time-Nuts complain about, only worked for 20 seconds when GPSTM is powered up. Where is ver 1.6 for download? Maybe this version works better on XP. Is there a compiled ver for Lady Heather for 19200 baud? The only way I could configure my GPSTM was to use HyperTerminal, and had no problem. I also purchased a Trimble Inside GPS Receiver GPSDO on Ebay from Hong Kong, hope I do not get burned again, is this unit a knockoff? Does it have a real Trimble inside? I,m going to use the GPSDO to calibrate my frequency counters. I was not able to compile the lady heather program, not enough information as to the procedure, 769 errors with Visual Studio 2015, also tried ver 2008.
> 
> Dallas
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