From ccbb0baba03b7efbf4618c7d3da6b027cd11dc08 Mon Sep 17 00:00:00 2001 From: OSQZSS Date: Sun, 30 Aug 2015 09:12:05 +0900 Subject: [PATCH] Update README.md --- README.md | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/README.md b/README.md index a972627..a784fe5 100644 --- a/README.md +++ b/README.md @@ -23,8 +23,9 @@ $ gcc gpssim.c -lm -fopenmp -o gps-sdr-sim ### Generating the GPS signal file -A user-defined trajectory can be specified in a CSV file, which contains -the Earth-centered Earth-fixed (ECEF) user positions at 10Hz. +A user-defined trajectory can be specified in either a CSV file, which contains +the Earth-centered Earth-fixed (ECEF) user positions, or an NMEA GGA stream. +The sampling rate of the user motion has to be 10Hz. The user is also able to assign a static location directly through the command line. The user specifies the GPS satellite constellation through a GPS broadcast