[time-nuts] Spectracom 8182

2011-08-16 Thread Bob Betts
Hello All: I have two Netclock/2 systems which are being modified for a broadcast monitor console, and I'm in the process of reverse engineering the schematic, since service schematics seem to be totally unavailable. Has anyone else ever done any work along this line? Maybe we can swap and combi

Re: [time-nuts] Is anyone using Keithly 776 Freq counter TICfunction?

2011-08-16 Thread Magnus Danielson
On 16/08/11 18:23, Bob Camp wrote: Hi If the OCXO is off by 1x10^8, the pps will be moving 10ns per second. You will get roughly 10 seconds of data before you wrap around the 10 MHz. If the OCXO is indeed this far off, you probably want something lower than 10 MHz on the "stop" channel. On the

Re: [time-nuts] LightSquared squabble raises questions about political games

2011-08-16 Thread Bill Hawkins
Guys, Yes, the games are political. No, politics is not the subject of this list. I've stopped being curious about things I can't fix. Bill Hawkins ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bi

[time-nuts] Plessey PR152

2011-08-16 Thread Murray Greenman
My thanks to those who suggested I join the vintage radio forum www.vintage-radio.net. I have joined, and it certainly looks like a very helpful group. 73, Murray ZL1BPU ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www

Re: [time-nuts] frequency stabilty question

2011-08-16 Thread Tom Van Baak
Hi This brings in another subtle but significant issue. We talk about the ADEV being done as the standard deviation of the frequency differences, but often that's not what's done. Even with zero dead time, there's another bit of magic in there. Drift is removed before the samples are used. Bo

Re: [time-nuts] LightSquared squabble raises questions about political games

2011-08-16 Thread Javier Herrero
Accidents happens ... ;) "Last year the FCC accidentally sold the total block of frequencies reserved for the USAF’s B-2 Stealth bomber" El 16/08/2011 18:39, Brad Dye escribió: Embarrassing the way our "democracy" works!

Re: [time-nuts] frequency stabilty question

2011-08-16 Thread Magnus Danielson
Hi Bob, On 16/08/11 18:20, Bob Camp wrote: Hi This brings in another subtle but significant issue. We talk about the ADEV being done as the standard deviation of the frequency differences, but often that's not what's done. Even with zero dead time, there's another bit of magic in there. Drift

[time-nuts] LightSquared squabble raises questions about political games

2011-08-16 Thread Brad Dye
Embarrassing the way our "democracy" works! Best regards, Brad Dye Editor, AAPC Wireless Messaging News P.O. Box 266 Fairfield, IL 62837 USA Telephone: 618-599

Re: [time-nuts] Is anyone using Keithly 776 Freq counter TICfunction?

2011-08-16 Thread Bob Camp
Hi If the OCXO is off by 1x10^8, the pps will be moving 10ns per second. You will get roughly 10 seconds of data before you wrap around the 10 MHz. If the OCXO is indeed this far off, you probably want something lower than 10 MHz on the "stop" channel. Bob -Original Message- From: time-

Re: [time-nuts] frequency stabilty question

2011-08-16 Thread Bob Camp
Hi This brings in another subtle but significant issue. We talk about the ADEV being done as the standard deviation of the frequency differences, but often that's not what's done. Even with zero dead time, there's another bit of magic in there. Drift is removed before the samples are used. Oddl

Re: [time-nuts] OT - Plessey PR152

2011-08-16 Thread K. Szeker
Hi folks, I have the same experiance with these forum as David: http://www.vintage-radio.net/forum/index.php? Best greetings K. 2011/8/15 David C. Partridge > Try the forums at , they folks there can be > extremely heplful. > > Dave > -Original Message- > From: time-nuts-boun...@febo.com