[time-nuts] Austron 2201, Tbolt, HP 3801 comparison question

[Eric Lemmon]

Paul,

I assume that "Tbolt" refers to the older 8-channel Thunderbolt with the
Trimble OCXO.  I have two of that model, plus I have a new 12-channel
Thunderbolt E that is equipped with a "Double OCXO" and is noticeably more
stable than the earlier models.  While the earlier models might show 10 MHz
offset peaks of as much as 80 ns, the Thunderbolt E consistently shows no
more than 2 or 3 ns offsets.

73, Eric Lemmon WB6FLY


-----Original Message-----
From: time-nuts-bounces at febo.com [mailto:time-nuts-bounces at febo.com] On
Behalf Of paul swed
Sent: Friday, April 06, 2012 1:24 PM
To: paul swed; Time-nuts
Subject: [time-nuts] Austron 2201, Tbolt, HP 3801 comparison question

Recently I put a 2201 back into service with  a home brew down converter.
I am a bit surprised that when I use it to measure the Tbolt and then the
HP 3801.
The 3801 comes out always better by a decade actually. Granted what I am
seeing is way down below a e-12th and in fact what I am reading seems nuts
to me.
But can a 3801 run that much better then the Tbolt?
I kind of thought they would both be in the same region.
Thanks
Regards
Paul
WB8TSL
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