source: ntrip/trunk/BNC/src/bncconst.cpp@ 7971

Last change on this file since 7971 was 7242, checked in by stuerze, 9 years ago

spherical earth's radius is added

File size: 2.5 KB
Line 
1// Part of BNC, a utility for retrieving decoding and
2// converting GNSS data streams from NTRIP broadcasters.
3//
4// Copyright (C) 2007
5// German Federal Agency for Cartography and Geodesy (BKG)
6// http://www.bkg.bund.de
7// Czech Technical University Prague, Department of Geodesy
8// http://www.fsv.cvut.cz
9//
10// Email: euref-ip@bkg.bund.de
11//
12// This program is free software; you can redistribute it and/or
13// modify it under the terms of the GNU General Public License
14// as published by the Free Software Foundation, version 2.
15//
16// This program is distributed in the hope that it will be useful,
17// but WITHOUT ANY WARRANTY; without even the implied warranty of
18// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19// GNU General Public License for more details.
20//
21// You should have received a copy of the GNU General Public License
22// along with this program; if not, write to the Free Software
23// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
24
25#include "bncconst.h"
26
27const double t_CST::c = 299792458.0;
28const double t_CST::omega = 7292115.1467e-11;
29const double t_CST::aell = 6378137.000;
30const double t_CST::rgeoc = 6370000.000;
31const double t_CST::fInv = 298.2572236;
32
33//
34//////////////////////////////////////////////////////////////////////////////
35double t_CST::freq(t_frequency::type fType, int slotNum) {
36 switch (fType) {
37 case t_frequency::G1: return 1575420000.0;
38 case t_frequency::G2: return 1227600000.0;
39 case t_frequency::G5: return 1176450000.0;
40 case t_frequency::E1: return 1575420000.0;
41 case t_frequency::E5: return 1176450000.0;
42 case t_frequency::E7: return 1207140000.0;
43 case t_frequency::E8: return 1191795000.0;
44 case t_frequency::E6: return 1278750000.0;
45 case t_frequency::R1: return 1602000000.0 + 562500.0 * slotNum;
46 case t_frequency::R2: return 1246000000.0 + 437500.0 * slotNum;
47 case t_frequency::J1: return 1575420000.0;
48 case t_frequency::J2: return 1227600000.0;
49 case t_frequency::J5: return 1176450000.0;
50 case t_frequency::J6: return 1278750000.0;
51 case t_frequency::S1: return 1575420000.0;
52 case t_frequency::S5: return 1176450000.0;
53 case t_frequency::C2: return 1561098000.0;
54 case t_frequency::C7: return 1207140000.0;
55 case t_frequency::C6: return 1268520000.0;
56 case t_frequency::dummy:
57 case t_frequency::max: return 0.0;
58 }
59 return 0.0;
60}
61
62//
63//////////////////////////////////////////////////////////////////////////////
64double t_CST::lambda(t_frequency::type fType, int slotNum) {
65 return c / freq(fType, slotNum);
66}
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