Ulrich,
First, many thanks for all the delevopment you have done and share
freely. You and John Miles are both to be commended for so much of this
kind of work.
I have a Z3816A and tried your program. Seems it would need to be
updated to support this GPS receiver. I think it is pretty similar, in
commands, to the other Z38xx boxes. I wonder if you would be willing to
try adding support?
If you are willing to look at it, I have put some details in this
message. Feel free to contact me -- rexa at xertech.net -- if you need
more specifics or testing from my Z3816A.
-Rex, KK6MK
There are some possible serial initialization issues. The help section
from GPSCon, describing this, can be found in the middle of this page:
http://www.realhamradio.com/GPS_Z3816A_Receiver.htm
(something odd happened with one of the pictures on that page.)
The command structure is very close to chapters 4 and 5 in this document:
http://www.leapsecond.com/museum/hp58540a/097-58540-01-iss-1.pdf
with a similar description of the :SYST:COMM commands in this one:
http://www.leapsecond.com/museum/hp58540a/097-58540-01-iss-1.pdf
I used a serial terminal at 9600 baud to talk to my receiver and capture
the sequence below. I started with the 3816 serial interface in FDUP
(full duplex) mode so that the commands I sent show in the capture. For
normal communication it should be turned off, as I did near the end.
--- begin capture --- (viewed best with fixed width font)
:SYST:COMM:SER1:FDUP?
1
scpi > :PTIM:TCOD:CONT?
0
scpi > *IDN?
HEWLETT-PACKARD,Z3816A,3703A00148,4001-A
scpi > :SYST:STAT?
------------------------------- Receiver Status
-------------------------------
SYNCHRONIZATION ............................................. [ Outputs
Valid ]
SmartClock Mode ___________________________ Reference Outputs
_______________
>> Locked to GPS TFOM 3
FFOM 0
Recovery 1PPS TI +2.8 ns relative
to GPS
Holdover HOLD THR 1.000 us
Power-up Holdover Uncertainty
____________
Predict 5.4 us/initial 24 hrs
ACQUISITION ................................................ [ GPS 1PPS
Valid ]
Tracking: 6 ____ Not Tracking: 0 ________ Time
____________________________
PRN El Az C/N UTC 23:33:11 15
Jul 2009
7 27 112 48 GPS 1PPS Synchronized to UTC
8 62 83 52 ANT DLY 60 ns
11 23 82 49 Position
________________________
15 32 305 51 MODE Hold
17 52 183 51
28 69 356 50 LAT N 37:17:43.811
LON W 121:56:09.784
HGT +28.99
m (GPS)
ELEV MASK 16 deg
HEALTH MONITOR .........................................................
[ OK ]
Self Test: OK Int Pwr: OK Oven Pwr: OK OCXO: OK EFC: OK GPS
Rcv: OK
scpi > :SYST:COMM:SER1:FDUP 0
( entered :PTIM:TCOD:CONT? )
scpi > 0
( entered *IDN? )
scpi > HEWLETT-PACKARD,Z3816A,3703A00148,4001-A
scpi >
--- end of capture ---
Ulrich Bangert wrote:
Guys,
I have just uploaded a new version of Z38XX with the following improvements:
1) Displays time AND date in the Nixie clock window
2) Knows how to read date & time from Jackson Labs receivers, so the the
clock window will function with them too.
3) Has a new "Manual Command Entry" which, well...., allows manual command
entry. The combobox still needs to be filled with more presets but you can
actually type in whatever you want. Note that the normal communication
thread is paused while this window is open. So close it whenever it is not
used.
Enjoy
Ulrich Bangert
Ulrich Bangert
www.ulrich-bangert.de
Ortholzer Weg 1
27243 Gross Ippener
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