Re: [ntp:questions] Can the line audio out of HF radio be used to sync ntp. Trying to get a cheap ($) radio method.

2009-05-01 Thread Nathaniel Homier
On Fri, 01 May 2009 21:15:02 +, jimp wrote: > David Woolley wrote: >> You may find that you need SSB capability on the HF receiver. > > Not for any WWV station. We can use the synchronous detector to even out the signal and select the sideband which has the least noise. _

Re: [ntp:questions] Can the line audio out of HF radio be used to sync ntp. Trying to get a cheap ($) radio method.

2009-04-30 Thread Nathaniel Homier
On Thu, 30 Apr 2009 14:24:12 +, Unruh wrote: > 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. Looks like the GPS 18LVC is now availa

Re: [ntp:questions] Can the line audio out of HF radio be used to sync ntp. Trying to get a cheap ($) radio method.

2009-04-30 Thread Nathaniel Homier
On Thu, 30 Apr 2009 15:59:48 -0500, Nathaniel Homier wrote: > On Thu, 30 Apr 2009 14:24:12 +, Unruh wrote: > >> 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

Re: [ntp:questions] Can the line audio out of HF radio be used to sync ntp. Trying to get a cheap ($) radio method.

2009-04-30 Thread Nathaniel Homier
On Thu, 30 Apr 2009 15:06:41 +, Steve Kostecke wrote: > Yes, if your audio system works with the NTP Audio decoder drivers. > > For WWV/H see: > http://doc.ntp.org/4.2.4/drivers/driver36.html or > http://www.eecis.udel.edu/~ntp/ntp_spool/html/drivers/driver36.html > Sounds like WWV ... the Ty

[ntp:questions] Can the line audio out of HF radio be used to sync ntp. Trying to get a cheap ($) radio method.

2009-04-29 Thread Nathaniel Homier
Hello. 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. T