From 149f95e88754d5b737554957d2ce68029a27ad20 Mon Sep 17 00:00:00 2001 From: Erwin Ried <1091420+eried@users.noreply.github.com> Date: Sun, 3 May 2020 22:11:02 +0200 Subject: [PATCH] Updated GPS Sim (markdown) --- GPS-Sim.md | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/GPS-Sim.md b/GPS-Sim.md index 667ef83..01eca50 100644 --- a/GPS-Sim.md +++ b/GPS-Sim.md @@ -3,7 +3,7 @@ This app allows you to broadcast GPS baseband signal data streams. ## Generator You can use [gps-sdr-sim](https://github.com/osqzss/gps-sdr-sim) to generate data for this app. -`gps-sdr-sim -e RINEX_NAVIGATION_FILE -l LAT,LONG,HEIGHT -b 8 -o SOMENAME.C8` +`gps-sdr-sim -e RINEX_NAVIGATION_FILE -l LAT,LONG,HEIGHT -o SOMENAME.C8` That will create `SOMENAME.C8`, but note that you also need to specify its sample rate and frequency in another file, as explained below. @@ -21,7 +21,7 @@ This file should use the same filename as the .C8 file but with .TXT extension. ## Example 1 Create a rather small polygon with a path in KML format (i.e. a path you might want to simulate to walk). You can use Google Earth or another solution like https://www.doogal.co.uk/polylines.php. Load that file in the free [SatGen NMEA simulator](https://www.labsat.co.uk/index.php/en/free-gps-nmea-simulator-software). In the generator, change the frequency to 10 Hz and export the NMEA. -`gps-sdr-sim.exe -e brdc1180.20n -g NMEA.txt -b 8 -o TESTGPS.C8` +`gps-sdr-sim.exe -e brdc1180.20n -g NMEA.txt -o TESTGPS.C8` You also need to create `TESTGPS.TXT` as specified above.