Hal,
An EndRun C.ntp CDMA NTP server showed up on my desk one day. It works
anywhere where a CDMA cell phone works. I have in the basement with the
small cell antenna at grade level. Works very well.
If you can borrow a telephone line and modem about once every 36 hours,
the ACTS and USNO drivers perform quite well.
Dave
Hal Murray wrote:
In article <[EMAIL PROTECTED]>,
"Alexandre Carrausse" <[EMAIL PROTECTED]> writes:
Thanks, the GPS would be an option, but in the very secure site I am working
in, I am afraid I will not even be allowed to install an antenna.
Do cell phones work in your site? There are NTP boxes that get
their time from the cell phone network.
What is the approx cost of such systems?
Do-it-yourself: Under $100 for a Garmin GPS 18 LVC. You also need
a PC. Old ones are probably OK.
You can buy packaged commercial boxes. I haven't checked prices.
I'd expect several $K.
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