Hi
All of these gizmos come on the market cheap when they are being scrapped out.
Once that process is over for a generation of parts, the pieces climb. There
are only a few working strategies:
1) Buy several when they first come out.
2) Pay the going rate many years later.
3) Switch to
-nuts-boun...@febo.com [mailto:time-nuts-boun...@febo.com] On Behalf
Of Bob Camp
Sent: Saturday, 12 October 2013 10:52 PM
To: Discussion of precise time and frequency measurement
Subject: Re: [time-nuts] Trimble TB replacement options???
Hi
All of these gizmos come on the market cheap when
time and frequency measurement
Subject: Re: [time-nuts] Trimble TB replacement options???
Hi
All of these gizmos come on the market cheap when they are being scrapped out.
Once that process is over for a generation of parts, the pieces climb. There
are only a few working strategies:
1) Buy
...@febo.com
[mailto:time-nuts-bounces@**febo.comtime-nuts-boun...@febo.com]
On Behalf Of Bob Camp
Sent: Saturday, 12 October 2013 10:52 PM
To: Discussion of precise time and frequency measurement
Subject: Re: [time-nuts] Trimble TB replacement options???
Hi
All of these gizmos come on the market
] Trimble TB replacement options???
Hi
All of these gizmos come on the market cheap when they are
being scrapped out. Once that process is over for a generation
of parts, the pieces climb. There are only a few working
strategies:
1) Buy several when
: Re: [time-nuts] Trimble TB replacement options???
What is needed now is a easy to assemble DIY GPSDO. In the past people
lost interest in such becuase you could buy a TB for $90. I'd think today
now that we have $10 microcontroller boards that have USB connections and
are self-programming we
wb4...@wb4gcs.org said:
Very tempting. I just ordered 100 and 1000MHz VCXOs from Fox Electronics,
with the intent of locking them to my GPSDO.
Do you have part numbers? Just curious.
wb4...@wb4gcs.org said:
A DIY GPSDO would be WONDERFUL! Already have a couple of Jupiter GPS
boards
]
On Behalf Of Bob Camp
Sent: Saturday, 12 October 2013 10:52 PM
To: Discussion of precise time and frequency measurement
Subject: Re: [time-nuts] Trimble TB replacement options???
Hi
All of these gizmos come on the market cheap when they are being scrapped
out. Once that process is over
time-nuts@febo.com
Sent: Saturday, October 12, 2013 12:22 PM
Subject: Re: [time-nuts] Trimble TB replacement options???
Hi
The Nortel / Trimbles are still cheaper (and probably better) than anything
you are likely to build from scratch.
Bob
___
time
-nuts] Trimble TB replacement options???
Hi
The Nortel / Trimbles are still cheaper (and probably better) than anything
you are likely to build from scratch.
Bob
___
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I just completed my second scratch GPSDO and would like to share a few of
its details and ask a question or two at the end)
I think the point of the below is that it did not cost very much, either
time or money. It was very easily designed and built. I think the
GPS-locked 10MHz output
Hi
Lady Heather is a very Trimble specific program. It's not going to by a lot of
help with a non-trimble based design.
LH (as I've mentioned before) really does not calculate a proper ADEV. Not
because it's broke, but because it can't without a very stable third
oscillator to compare to.
Hi Don,
Seems the easiest would be to capture your 5370B output to a file and use
Ulrich's plotter to calculate ADEV.
With ~20ps noise floor on the 5370B you can assume a 1s indication of no better
than 2E-011.
The 10811A will be better than that assuming you did your efc low pass filter
On Fri, Oct 11, 2013 at 7:24 PM, Frank Hughes hp_cisco...@yahoo.com wrote:
Does it seem like the Trimble Thunderbolt units are becoming scarce, and
commanding prices accordingly?
The inexpensive used Thunderbolts predate my interest in GPSDOs so I
can't speak to relative prices but if your
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