[App_rpt-users] Trimble SVeeEight GPS to RTCM

Wed Nov 27 18:45:43 UTC 2013

Thanks for your response Tim.

Yes it was set to GPS I changed it to UTC applied the settings and rebooted
I repolled the GPS unit and the config screen is shows UTC but the Debug
there appears to be no difference.. this may be normal..??

I tried GPS PPS Polarity with both options 0=Non-Inverted and 1=Inverted no
difference..

I have the GPS unit sending $GPGSV $GPRMC $GPGGA sentences to the RTCM . 

GPS-DEBUG: mon: 10, gps_time: 1385576929, ctime: Wed Nov 27 18:28:49 2013

GPS-DEBUG:
$GPRMC,182850.0,A,3009.808,N,09550.255,W,000.00,000.0,271113,05.5,E*7A

GPS-DEBUG: mon: 10, gps_time: 1385576930, ctime: Wed Nov 27 18:28:50 2013

GPS-DEBUG:
$GPRMC,182851.0,A,3009.808,N,09550.255,W,000.00,000.0,271113,05.5,E*7B

GPS-DEBUG: mon: 10, gps_time: 1385576931, ctime: Wed Nov 27 18:28:51 2013

GPS-DEBUG:
$GPRMC,182852.0,A,3009.808,N,09550.255,W,000.00,000.0,271113,05.5,E*78

GPS-DEBUG: mon: 10, gps_time: 1385576932, ctime: Wed Nov 27 18:28:52 2013

GPS-DEBUG:
$GPRMC,182853.0,A,3009.808,N,09550.255,W,000.00,000.0,271113,05.5,E*79

GPS-DEBUG: mon: 10, gps_time: 1385576933, ctime: Wed Nov 27 18:28:53 2013

GPS-DEBUG:
$GPRMC,182854.0,A,3009.808,N,09550.255,W,000.00,000.0,271113,05.5,E*7E

GPS-DEBUG: mon: 10, gps_time: 1385576934, ctime: Wed Nov 27 18:28:54 2013

GPS-DEBUG:
$GPRMC,182855.0,A,3009.808,N,09550.255,W,000.00,000.0,271113,05.5,E*7F

GPS-DEBUG: mon: 10, gps_time: 1385576935, ctime: Wed Nov 27 18:28:55 2013

GPS-DEBUG:
$GPRMC,182856.0,A,3009.808,N,09550.255,W,000.00,000.0,271113,05.5,E*7C

GPS-DEBUG: mon: 10, gps_time: 1385576936, ctime: Wed Nov 27 18:28:56 2013

GPS-DEBUG:
$GPRMC,182857.0,A,3009.808,N,09550.255,W,000.00,000.0,271113,05.5,E*7D

GPS-DEBUG: mon: 10, gps_time: 1385576937, ctime: Wed Nov 27 18:28:57 2013

GPS-DEBUG:
$GPRMC,182858.0,A,3009.808,N,09550.255,W,000.00,000.0,271113,05.5,E*72

GPS-DEBUG: mon: 10, gps_time: 1385576938, ctime: Wed Nov 27 18:28:58 2013

GPS-DEBUG:
$GPRMC,182859.0,A,3009.808,N,09550.255,W,000.00,000.0,271113,05.5,E*73

GPS-DEBUG: mon: 10, gps_time: 1385576939, ctime: Wed Nov 27 18:28:59 2013

GPS-DEBUG:
$GPRMC,182900.0,A,3009.808,N,09550.255,W,000.00,000.0,271113,05.5,E*7E

GPS-DEBUG: mon: 10, gps_time: 1385576940, ctime: Wed Nov 27 18:29:00 2013

GPS-DEBUG:
$GPRMC,182901.0,A,3009.808,N,09550.255,W,000.00,000.0,271113,05.5,E*7F

GPS-DEBUG: mon: 10, gps_time: 1385576941, ctime: Wed Nov 27 18:29:01 2013

GPS-DEBUG:
$GPRMC,182902.0,A,3009.808,N,09550.255,W,000.00,000.0,271113,05.5,E*7

From: Tim Sawyer [mailto:tim.sawyer at mac.com] 
Sent: Wednesday, November 27, 2013 11:08 AM
To: Gary Herzog Gmail
Cc: app_rpt mailing list
Subject: Re: [App_rpt-users] Trimble SVeeEight GPS to RTCM

Try setting the time to UTC, rather than GPS time.

--
Tim
:wq

On Nov 27, 2013, at 8:34 AM, Gary Herzog Gmail <kc5daq at gmail.com> wrote:

We are trying to interface a Trimble-SVeeEight-Plus to the RTCM. I am
running the S/W Version: 1.38 10/09/2013 on the RTCM and I am seeing the GPS
info listed below in Debug mode 32 but I think I may be having issues with
the PPS. The Trimble indicates that it has a 10 microseconds negative going
pulse I noticed that the Garmin GPS 78X LVC has a default pulse width of 100
milliseconds. I am wondering if the Trimble is too fast for the RTCM.. is
this going to be a problem?? It appears that I cannot adjust the pulse width
on the SVeeEight as its grayed out..  any ideas. Your help would be greatly
appreciated. Thanks Gary Kc5daq..

The 1PPS signal is an open collector interface on pin 9 of Ports 1 and 2.
The polarity of the

PPS signal is an inverted, 10 microseconds negative going pulse with the
falling edge synchronized to

UTC

GPS-DEBUG:
$GPRMC,181436.0,A,3009.798,N,09550.252,W,000.00,000.0,251113,05.5,E*76

GPS-DEBUG: mon: 10, gps_time: 1385403276, ctime: Mon Nov 25 18:14:36 2013

GPS-DEBUG:
$GPRMC,181437.0,A,3009.798,N,09550.252,W,000.00,000.0,251113,05.5,E*77

GPS-DEBUG: mon: 10, gps_time: 1385403277, ctime: Mon Nov 25 18:14:37 2013

GPS-DEBUG:
$GPRMC,181438.0,A,3009.798,N,09550.251,W,000.00,000.0,251113,05.5,E*7B

GPS-DEBUG: mon: 10, gps_time: 1385403278, ctime: Mon Nov 25 18:14:38 2013

GPS-DEBUG:
$GPRMC,181439.0,A,3009.798,N,09550.251,W,000.00,000.0,251113,05.5,E*7A

GPS-DEBUG: mon: 10, gps_time: 1385403279, ctime: Mon Nov 25 18:14:39 2013

GPS-DEBUG:
$GPRMC,181440.0,A,3009.798,N,09550.251,W,000.00,000.0,251113,05.5,E*74

GPS-DEBUG: mon: 10, gps_time: 1385403280, ctime: Mon Nov 25 18:14:40 2013

GPS-DEBUG:
$GPRMC,181441.0,A,3009.798,N,09550.251,W,000.00,000.0,251113,05.5,E*75

GPS-DEBUG: mon: 10, gps_time: 1385403281, ctime: Mon Nov 25 18:14:41 2013

GPS-DEBUG:
$GPRMC,181442.0,A,3009.798,N,09550.251,W,000.00,000.0,251113,05.5,E*76

GPS-DEBUG: mon: 10, gps_time: 1385403282, ctime: Mon Nov 25 18:14:42 2013

GPS-DEBUG:
$GPRMC,181443.0,A,3009.798,N,09550.250,W,000.00,000.0,251113,05.5,E*76

GPS-DEBUG: mon: 10, gps_time: 1385403283, ctime: Mon Nov 25 18:14:43 2013

GPS-DEBUG:
$GPRMC,181444.0,A,3009.798,N,09550.250,W,000.00,000.0,251113,05.5,E*71

GPS-DEBUG: mon: 10, gps_time: 1385403284, ctime: Mon Nov 25 18:14:44 2013

GPS-DEBUG:
$GPRMC,181445.0,A,3009.798,N,09550.250,W,000.00,000.0,251113,05.5,E*70

GPS-DEBUG: mon: 10, gps_time: 1385403285, ctime: Mon Nov 25 18:14:45 2013

GPS-DEBUG:
$GPRMC,181446.0,A,3009.798,N,09550.250,W,000.00,000.0,251113,05.5,E*73

GPS-DEBUG: mon: 10, gps_time: 1385403286, ctime: Mon Nov 25 18:14:46 2013

GPS-DEBUG:
$GPRMC,181447.0,A,3009.798,N,09550.250,W,000.00,000.0,251113,05.5,E*72

Enter Selection (1-27,97-99,r,q,d) :

S/W Version: 1.38 10/09/2013

System Uptime: 1747.0 Secs

IP Address: 192.168.33.80

Netmask: 255.255.255.0

Gateway: 192.168.33.1

Primary DNS: 192.168.33.1

Secondary DNS: 8.8.8.8

DHCP: 0

VOTER Server IP: 192.168.33.60

VOTER Server UDP Port: 667

OUR UDP Port: 667

GPS Lock: 0

Connected: 0

COR: 0

EXT CTCSS IN: 1

PTT: 0

RSSI: 0

Current Samples / Sec.: 0

Current Peak Audio Level: 53448

Squelch Noise Gain Value: 18, Diode Cal. Value: 40, SQL pot 400

Last Rx Pkt System time: <System Time Not Set>, diff: 0 msec

Last Rx Pkt Timestamp time: <System Time Not Set>, diff: 0 msec

Last Rx Pkt index: 0, inbounds: 0

<image001.png>

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