[time-nuts] Where 15 MHz?
Fellow time-nuts, A quick question to settle my curiosity... Which mobile application uses 15 MHz? I know that GSM uses 13 MHz, but I can't recall which one uses 15 MHz. I'd be happy if someone would care to enlighten me. We have also seen 19,6608 MHZ being in use, and recently seen a description for it, even if I fail to recall it. Cheers, Magnus ___ 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.
Re: [time-nuts] Where 15 MHz?
Lucent Cell phone site GPSDO output 15 Mhz. Stanley - Original Message From: Magnus Danielson mag...@rubidium.dyndns.org To: Discussion of precise time and frequency measurement time-nuts@febo.com Sent: Mon, December 13, 2010 6:10:14 PM Subject: [time-nuts] Where 15 MHz? Fellow time-nuts, A quick question to settle my curiosity... Which mobile application uses 15 MHz? I know that GSM uses 13 MHz, but I can't recall which one uses 15 MHz. I'd be happy if someone would care to enlighten me. We have also seen 19,6608 MHZ being in use, and recently seen a description for it, even if I fail to recall it. Cheers, Magnus ___ 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.
Re: [time-nuts] Where 15 MHz?
On 12/14/2010 01:24 AM, Stanley Reynolds wrote: Lucent Cell phone site GPSDO output 15 Mhz. Yes, that I already know, but for what kind of equipment was it meant? Cheers, Magnus ___ 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.
Re: [time-nuts] Where 15 MHz?
Looking at the age of some of it started with analog continued with TDMA and or CDMA not sure if it is still in use. Maybe analog used the non GPS stuff as the oldest was RB and XO but not GPS. Stanley - Original Message From: Magnus Danielson mag...@rubidium.dyndns.org To: time-nuts@febo.com Sent: Mon, December 13, 2010 6:26:55 PM Subject: Re: [time-nuts] Where 15 MHz? On 12/14/2010 01:24 AM, Stanley Reynolds wrote: Lucent Cell phone site GPSDO output 15 Mhz. Yes, that I already know, but for what kind of equipment was it meant? Cheers, Magnus ___ 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.
Re: [time-nuts] Where 15 MHz?
Hi It turns out that 15 MHz x N (I forget the N) makes a nice LO in the 900 MHz range for an base station. That's what drove the choice of 15 over 5 or 10 MHz. I believe there was a bit of the all frequencies are equally cheap in your volumes sales pitch involved as well. Bob On Dec 13, 2010, at 7:10 PM, Magnus Danielson wrote: Fellow time-nuts, A quick question to settle my curiosity... Which mobile application uses 15 MHz? I know that GSM uses 13 MHz, but I can't recall which one uses 15 MHz. I'd be happy if someone would care to enlighten me. We have also seen 19,6608 MHZ being in use, and recently seen a description for it, even if I fail to recall it. Cheers, Magnus ___ 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.
