[time-nuts] In praise of service: PTF

Tom Knox actast at hotmail.com
Sun Oct 1 11:36:55 EDT 2017

Thanks, It is a sad sign of the times that in far to many companies as the scientists who founded these companies retire the bean counter take over and the company vectors from a customer driven model to a stock holder driven model. Thankfully there are a few shining examples of "customer driven" companies left. By the way, it has been a few years but I have had good support on parts and firmware from FEI/Zyfer.

I encourage other Time-Nuts to pass on their experiences with these companies, I know many of their employees are also followers of this forum and this feedback will hopefully lead to improvements. As are many Time-Nuts I am a researcher as well as hobbyist and support I receive as a humble hobbyist strongly influences my product decisions at work.


Thomas Knox
Sr Test and Measurement Engineer

From: time-nuts <time-nuts-bounces at febo.com> on behalf of Mark Kahrs <mark.kahrs at gmail.com>
Sent: Sunday, October 1, 2017 9:09 AM
To: Discussion of precise time and frequency measurement
Subject: [time-nuts] In praise of service: PTF

Let me praise the support provided by PTF (www.ptf-llc.com<http://www.ptf-llc.com>): I obtained a
Precise Time and Frequency – http://www.ptf-llc.com<http://www.ptf-llc.com/>
Constantly striving to improve functionality and performance, and reduce cost through innovation and technology. Click for more details.....

faulty GPS time clock off ebay to replace the one that was burned by a
lightning strike on the house.

First, the manual is online.  Second, the support emails provided by PTF
(probably by the owner) allowed me to diagnose the problem.  That's what I
call useful and supportive!

Now, for the disparage list...  I obtained a Zyfer GPS box that turned out
to be de-mil'd.   In spite of the manual being online, the Zyfer support
basically refused to help me out in spite of my offer to sign any and all
NDAs if needed.

Meanwhile, since the Zyfer box used a Trimble GPS subsystem, I thought
maybe I could obtain the details from Trimble.  You can guess the rest:

So, I'd like to salute a company that stands behind their products enough
to answer queries about support.  Even to a guy who is obviously not going
to order 1000 boxes.
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