From a17324c7fe86497879f3e4891b2ecbcc63d972d6 Mon Sep 17 00:00:00 2001 From: Sylvain Munaut Date: Mon, 28 Dec 2009 15:34:30 +0100 Subject: rrlp-ephemeris: Add a note about extracting RefPos from AID_INI Yeah we could do it if anyone is willing to implement conversion from ecef to WGS84. See http://en.wikipedia.org/wiki/Geodetic_system Signed-off-by: Sylvain Munaut --- rrlp-ephemeris/ubx-parse.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'rrlp-ephemeris') diff --git a/rrlp-ephemeris/ubx-parse.c b/rrlp-ephemeris/ubx-parse.c index 60bc05763..1dbb279f7 100644 --- a/rrlp-ephemeris/ubx-parse.c +++ b/rrlp-ephemeris/ubx-parse.c @@ -85,6 +85,10 @@ _ubx_msg_parse_aid_ini(struct ubx_hdr *hdr, void *pl, int pl_len, void *ud) //printf("[.] AID_INI\n"); // FIXME: Extract info for "Reference Time" + + // FIXME: We could extract ref position as well but we need it in + // WGS84 geodetic coordinates and it's provided as ecef, so + // we need a lot of math ... } static void -- cgit v1.2.3