[App_rpt-users] RTCM voting setup

Sun Apr 20 04:39:57 UTC 2014

Mark,

The GPS 18x LVC is not hooked up to the RTCM correctly. The Garmin pin
labeling is backwards to what you think. I learned this by trial and error
on my setup. See below. Swap 6 and 14.

    RTCM   GPS 18x LVC      6 GRX <-- Rx Data 6 Green  7 GPPS <-- Pulse
Output 1 Yellow  8 GND   Ground 3 Black  8 GND   Ground 5 Black  13 +5V -->
Vin 2 Red  14 GTX --> TX Data 4 White
Then log into the rtcm and do 98 and you should see this

Current Time: Sun  Apr 20, 2014  04:37:02.820
Last Rx Pkt System time: 04/20/2014 03:55:35.580, diff: 2487260 msec
Last Rx Pkt Timestamp time: 04/20/2014 03:55:32.064, diff: 3515 msec
Last Rx Pkt index: 160, inbounds: 1

You change your debug mode to 40 and see the gps setences

Mike

On Sat, Apr 19, 2014 at 10:55 PM, Mark Johnston <markjohnston73 at gmail.com>wrote:

> 2  - VOTER Server Address (FQDN) (voter-demo.allstarlink.org)
> 3  - VOTER Server Port (667),  4  - Local Port (Override) (0)
> 5  - Client Password (rptnopl),  6  - Host Password (rptnopl)
> 7  - Tx Buffer Length (3000)
> 8  - GPS Data Protocol (0=NMEA, 1=TSIP) (0)
> 9  - GPS Serial Polarity (0=Non-Inverted, 1=Inverted) (0)
> 10 - GPS PPS Polarity (0=Non-Inverted, 1=Inverted, 2=NONE) (2)
> 11 - GPS Baud Rate (4800)
> 12 - External CTCSS (0=Ignore, 1=Non-Inverted, 2=Inverted) (1)
> 13 - COR Type (0=Normal, 1=IGNORE COR, 2=No Receiver) (1)
> 14 - Debug Level (9)
> 15  - Alt. VOTER Server Address (FQDN) ()
> 16  - Alt. VOTER Server Port (Override) (0)
> 17  - DSP/BEW Mode NOT SUPPORTED
> 18 - "Duplex Mode 3" (0=DISABLED, 1-255 Hang Time) (1/10 secs) (0)
> 19 - Simulcast Launch Delay (0) (approx 200 ns, 5 = 1us, > 0 to ENA SC)
> 97 - RX Level,  98 - Status,  99 - Save Values to EEPROM
> i - IP Parameters menu, o - Offline Mode Parameters menu
> q - Disconnect Remote Console Session, r - reboot system, d - diagnostics
>
> Enter Selection (1-27,97-99,r,q,d) : <System Time Not Set>  Using Primary
> Voter Host (72.0.177.212)
> <System Time Not Set>  Voter Host DNS Resolved to 96.36.57.202
> <System Time Not Set>  Connection Using Voter Host (96.36.57.202)
> <System Time Not Set>  Using Primary Voter Host (96.36.57.202)
>
>
>
> Select the following Diagnostic functions:
>
> 1  - Set Initial Tone Level (and assert PTT)
> 2  - Display Value of DIP Switches
> 3  - Flash LED's in sequence
> 4  - Run entire diag suite
> c  - Show Diagnostic Cable Pinouts
> x -  Exit Diagnostic Menu (back to main menu)
> q - Disconnect Remote Console Session, r - reboot system
>
> Enter Selection (1-4,c,x,q,r) : 4^M
>
> Running Diagnostics...
>
> Testing PTT/External CTCSS
> Error - Failed to read PTT/CTCSS in un-asserted state
> *Testing GPS UART*
> *Error - Failed to read data from GPS UART*
> Testing level at 100 Hz for Normal Audio
> ^C
>
>
> Select the following Diagnostic functions:
>
>
> --- No the LED's do not come on for GPS/HST
> rechecked the wiring all looks right
> assuming GTX is transmit that goes to the GPS rx line and vice versa
>
> GPPS pin 7 is labeled as PTT out in the documentation - not sure what that
> means, I thought it was Gps 1pps?
>
> http://206.212.254.21/unode_docs/rtcm_%20manual.pdf
>
> P2 - DB15F D-Shell connector for the RS-232 (console @57600 bps, DCE) and
> GPS
> 1 - NC
> 2 - Console Transmit Data
> 3 - Console Receive Data
> 4 - NC
> 5 - Gnd
> 6 - GPS Receive Data   (to White TXD on - GPS)
> 7 - PTT Out   (to Yellow Measurement Pulse output - on GPS)
> 8 - Gnd    (to Black - on GPS) all appear common -
> 9 - NC
>  10 - Console Request To Send (RTS)
>  11 - Console Clear To Send (CTS)
>  12 - NC
>  13 - GPS Power Output (5Vdc @ 800ma MAX) - (Red on - GPS)
>  14 - GPS Transmit Data (to green RCV  on - GPS)
>  15 – External Reset
>
>
> And Yes the gps works fine in windows - not sure what I am missing -
>
>
>
>
>
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