[time-nuts] Thunderbolt E

Chris Burford cburford1 at austin.rr.com
Fri Jul 12 09:51:57 UTC 2019


Hi John,

That repair cost is enough to steer me away from buying one. I have a 
mediocre view of the sky with my current antenna setup.

I'll continue on and research some additional possibilities for a GPSDO 
unit. Thanks for sharing your experience with the Thunderbolt E unit.

Chris

On 07/12/19 04:00:39, Jon “KF5TFJ” Noxon wrote:
> Chris,
>
> i have one which I bought new several years ago. It had a failure under warranty where in the serial chip stopped doing its thing. The unit continued to lock to SVs and delivered 10MHz and the PPS. Took almost two months to be returned, where it worked fine until very recently. Same issue with the serial chip. Trimble quoted a price of $650 for repairs. Ouch.
>
> As they say "Other than that Mrs Lincoln, how did you enjoy the play...”,  it played fine as long as you could talk to it. Antenna location is very important as is true for all timing GPS units.
>
> The fit is supplied with a good length of 75 Ohn coax, power supply, antenna, and some coas adapters.
>
> So the question is how much do you intend to spend?
>
> Lady Heather works great when the serial chip was still good.
>
> Jon KF5TFJ
>
> Re:
> Date: Thu, 11 Jul 2019 14:22:51 -0500
> From: Chris Burford <cburford1 at austin.rr.com>
> To: Time Nuts Listings <time-nuts at lists.febo.com>
> Subject: [time-nuts] Thunderbolt E
> Message-ID: <9165f782-88f7-d015-6a82-6102a425830d at austin.rr.com>
> Content-Type: text/plain; charset=utf-8; format=flowed
>
> I'm on the fence on purchasing a new Thunderbolt E from Trimble and
> wanted to hear from current or past owners.
>
> I have a couple of the eBay x-telecom patchwork quilt GPSDO units which
> seem to do an OK job. Is there anything else besides a warranty and
> better performance specs that the Thunderbolt offers? My intention is to
> use the Thunderbolt as a backup reference to my PRS10.
>
> Thanks.
>
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