[time-nuts] GPSDO energy consumption question(s)

skipp Isaham skipp025 at yahoo.com
Fri Aug 28 19:04:22 EDT 2015

Greetings Time Nuts Group Members  

A few quick questions regarding the Trimble Thunderbolt and similar GPSDO 
unit power consumption. 

I've obtained and currently use the Thunderbolt GPSDO having the case top 
power connector requiring a triple output supply. Being very happy with the 
operation and performance of the mentioned, I'd like to find one or two more. 

However, the online auction prices for the Thunderbolt GPSDO model I like have 
risen quite a bit. 

As what I thought might be a possible price and availability alternative, started 
evaluating the Nortel NTBW50AA GPSTM GPS Timing Module. 

The Nortel NTBW50AA GPSTM GPS Timing Module compared to the Thunderbolt 
seems to be a bit of an "energy hog". I don't yet have enough information 
to do a total comparison of other available GPSDO options. 

Would any of you be able to provide a quick relative comparison about relatively 
common (surplus) GPSDO and similar type/function units?  their real world 
energy consumption? 

The Nortel NTBW50AA GPSTM is nice but I'm not sure we'd want to park one 
at a solar only location that didn't need what appears to be a mini space 

Thank you in advance for your replies...  


skipp025 at yahoo.com 

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