thomas.n.gautier(at)jpl.n Guest
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Posted: Wed May 23, 2018 12:02 pm Post subject: new toy |
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Sent from my iPhone
Quote: |
Time: 10:48:58 AM PST US
From: "Robert L. Nuckolls, III" <nuckolls.bob(at)aeroelectric.com>
Subject: New toy . . .
For those of you who suffer from quantitative
OCD like I do, there is a class of measurement
tool that has trickled down in price to where
us po' folk can afford them.
GPS disciplined signal sources can exploit
the extra-ordinary time-keeping features of
the GPS system to produce accurate reference
signals with accuracies/stabilities out to
a buckets-full-of-zeros.
https://goo.gl/B4hqTm
I've been eyeing these for several years but
finally yielded to temptation with this
puppy on eBay
https://goo.gl/zVviDZ
With this device driving the 10MHz reference
port on my 40 year old HP signal generator,
proving legality of the radios on our
emergency services hand-helds and trucks
is a no-brainer.
You may have to mount an antenna outside your
facility with good sky view . . . beyond
that, these things are plug-n-play.
Bob . . .
Bob,
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For your interest and any one who misses out on the e-bay offer (they are “almost gone”) there is another source of low cost GPSDOs: www.sdr-kits.net
They have one at a similar price to the e-bay offer but with more output frequency capability and a slightly pricier one with dual flexible frequency outputs.
I don’t have one and I don’t know how the sdr-kits compare with e-bay precision wise but they look interesting.
I know about sdr-kits because they offer a low cost 1khz-1.3Ghz vector network analyzer that I have been eyeing. Might be interesting to some of your following.
Nick Gautier
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