[ntp:questions] Can the line audio out of HF radio be used to sync ntp. Trying to get a cheap ($) radio method.
unruh-spam at physics.ubc.ca
Thu Apr 30 14:24:12 UTC 2009
Nathaniel Homier <ntp at universal-mechanism.org> writes:
>I would like to know if one can use the line audio out of any old
>portable shortwave radio tuned to a time signal and fed via a line audio
>input. This would be motherboard audio. The primary reason is that I
>get the impression that ntp radio clocks are for sale at very high
>prices. The most I have to spend is about $200. I already have very
>nice Sony 7600G HF portable and that gets the time freq. from 2.5 to 15
>very well. My computer is the new pci express and I have no serial port.
If you have $200, why not get a GPS 18LVC for about $70 and pay your local
radio hobbyist to install an RS232 plug and a USB poser plug. That way you
wil get microsecond rather than millisecond accuracy.
More information about the questions