Hi Rick: 10.23 MHz shows up in the ICD-200 spec on how the GPS signal is generated.
I've got a GPS sig gen see: http://www.prc68.com/I/5001A.html http://www.prc68.com/I/5001Bot.html and it has an HP 10.23 MHz oscillator. Have Fun, Brooke Clarke http://www.prc68.com/P/Prod.html Products I make and sell http://www.prc68.com/Alpha.shtml All my web pages listed based on html name http://www.PRC68.com http://www.precisionclock.com http://www.prc68.com/I/WebCam2.shtml 24/7 Sky-Weather-Astronomy Web Cam Richard (Rick) Karlquist wrote: > Early GPS receivers used a 10.23 MHz time base. > Probably related to 2^10-1. > Some GPS manufacturers approached HP about making > a 10811 on 10.23 MHz. There is a circuit modification > for 10.23 MHz and some crystals were made (I > have some somewhere). However, I don't believe > any 10.23 MHz 10811's were sold. This unit was > probably intended to meet the need not filled by HP. > > Rick Karlquist N6RK > > Randy Leifer wrote: >> This is surplus item I found. >> Piezo Crystal Company >> "Piezo Little Wonder" >> model # 2910007-27 >> >> Does anyone know the pin-outs (see photo/link)? >> What is a the freq 10.238 MHz used for ? >> There is a trim pot, but I doubt it will trim away >> 238k to get to 10MHz. >> >> http://i5.photobucket.com/albums/y177/Midiot/DSCN3364.jpg >> http://i5.photobucket.com/albums/y177/Midiot/DSCN3366.jpg >> >> THANKS !! >> >> =Randy= >> >> >> >> >> >> _______________________________________________ >> time-nuts mailing list -- time-nuts@febo.com >> To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts >> and follow the instructions there. >> >> > > _______________________________________________ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. > _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.