Re: [time-nuts] Z3816A RS-232 interface

2018-05-11 Thread Gregory Beat
Check TWO things. 1.) Has the RS-232 level converter (1488/1489, MAX232, etc.) failed? 2.) What MODE is your Z3816A, SCPI? The GPSCon software places Z3816A into SCPI. This is discussed in K8CU’s notes, below: K8CU Notes - HP Z3816A GPS Frequency Standard Receiver https://www.realhamradio.co

[time-nuts] Z3816A rs-232 interface

2018-05-11 Thread Robert Melville
I am getting some very peculiar behavior with the serial interface on my GPS rcvr (Z3816A). I have tried several computers and several different GPS utilities (GPS-DOS2, Sat Stat, GpsCon, etc.). To date, the only thing that works is Sat Stat on a windows 2000 computer. I am using a Null modem and