Hello Mr Forbes! I've been considering a rubidium time standard to keep the scope clock I bought from you back in '03 or '04 disciplined. Do you know if there are any with 1PPS outputs built in so that no other glue electronics would be unnecessary?
On 2011 Jun 02, at 13:03 , David Forbes wrote: > On 6/2/2011 12:26 PM, Robert Sexton wrote: >> >> 3. Find some other time source that you can decode to get the time (NMEA >> from a >> GPS, WWVB, NTP, etc). >> > > You can also use the 1 pulse-per-second (PPS) output from a GPS unit, but > don't bother setting the time with the NMEA string. This takes a lot less > effort, as you don't have to write a serial port driver and text parser. Just > use the usual time setting buttons. > > An excellent GPS receiver with 1PPS output is the Garmin GPS-18x-LVC. It has > bare wire ends for RS-232 communications, so you have to put your own COM > port connector and 5V supply on it. Its cost is $75. > > 1PPS may also be derived from a rubidium clock's 10 MHz output. Rb > oscillators are not too expensive and hold time to within a millisecond per > year. I made a rubidium nixie clock for my workshop: > > http://www.nixiebunny.com/rbnix/rbnix.html > > -- > David Forbes, Tucson, AZ > > -- > You received this message because you are subscribed to the Google Groups > "neonixie-l" group. > To post to this group, send an email to neonixie-l@googlegroups.com. > To unsubscribe from this group, send email to > neonixie-l+unsubscr...@googlegroups.com. > For more options, visit this group at > http://groups.google.com/group/neonixie-l?hl=en-GB. > -- You received this message because you are subscribed to the Google Groups "neonixie-l" group. To post to this group, send an email to neonixie-l@googlegroups.com. To unsubscribe from this group, send email to neonixie-l+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/neonixie-l?hl=en-GB.
