George,
The Z3816A is 8 channel, the Z3801A is 6 channel. What is the problem with the Z3816A? EFC error? -marki -----Original Message----- From: George Sintchak [mailto:[email protected]] Sent: Tuesday, 23 July 2013 12:34 PM To: Mark C. Stephens; [email protected] Subject: Re: [time-nuts] Z3801A Freq jumping OK Marki, I have a Z3816 with a possible bad 5 MHz oscillator. Maybe I can swap out the GPS rcvr. I have to see if they are compatible. Does anyone out there know? Tnx, George ----- Original Message ----- From: "Mark C. Stephens" <[email protected]> To: "Discussion of precise time and frequency measurement" <[email protected]> Sent: Monday, July 22, 2013 12:32 PM Subject: RE: [time-nuts] Z3801A Freq jumping > George, > > Looking at your graph, as far as I can see, the EFC jumps appear to be > tied to the TI > From the graph, your hitting +/- ~750ns. Normally, one sees +/- ~50ns. nax > (although one particular basket case I have goes up into the milliseconds > occasionally, > It is a defective GPS module, I have proved this by swapping the module > with another unit and the fault follows the GPS module.) > I am not sure of the mechanics of how the EFC follows TI, perhaps one of > the other members can chime in? > > > -marki > > -----Original Message----- > From: [email protected] [mailto:[email protected]] On > Behalf Of George Sintchak > Sent: Tuesday, 23 July 2013 1:30 AM > To: [email protected] > Subject: [time-nuts] Z3801A Freq jumping > > Hello all - Not sure what's happening to my Z3801A. Doesn't unlock, but > EFC jumping all over. > Is my oven controller dieing? I did a reacquire satellites abt 10 days > ago - no difference. > See plot below of the last ~36 days. Any thing to try - restart from cold, > etc ??? > George > > _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
