GREAT多頻多系統GREAT-UPD開源代碼-第4.1章 代碼解讀之gnss.h/gnss.cpp

第4.1章 代碼解讀之gnss.h/gnss.cpp

1. GNSS系統設定

///< GNSS systems and augmentations enum GSYS { // GXX = -1,GPS, GAL, GLO, BDS, QZS, SBS, IRN, GNS };

• GPS = GPS
• GAL = Galileo
• GLO= GLONASS
• BDS= Beidou
• QZS= QZSS
• SBS = 未知
• IRN = 未知
• GNS= GNSS

2. 頻率ID

///< GNSS freq Sequence ID enum FREQ_SEQ {FREQ_1 = 1, FREQ_2 = 2, FREQ_3 = 3, FREQ_4 = 4, FREQ_5 = 5,FREQ_X = 999 };

對應下表中的

Freq1234567

主要是程序中對頻率ID的約定俗稱順序

System	Frequency.	Signal Priority (1: highest > 10: lowest) *
Freq		1	2	3	4	5	6	7	8
GPS	L1	1M	1Y	1W	1P	1X	1L	1S	1C
	L2	2M	2Y	2W	2P	2X	2L	2S	2C
	L5	5X	5Q	5I
GLONASS	G1(range)	1P	1C
	G1(phase)	1C	1P
	G2	2P	2C
Galileo	E1	1Z	1X	1C	1B	1A
	E5a	5X	5Q	5I
	E5b	7X	7Q	7I
BeiDou	B1	2X	2Q	2I
	B2	7X	7Q	7I
	B3	6X	6Q	6I

3.GNSS頻率

///< GNSS frequencies enum GFRQ { // FXX = -1,G01 = 10, G02 = 11, G05 = 12, ///< GPSR01 = 20, R02 = 21, ///< GLONASS FDMAR01_CDMA = 30, R02_CDMA = 31, R03_CDMA = 32, R05_CDMA = 33, ///< GLONASS CDMAE01 = 50, E05 = 51, E07 = 52, E08 = 53, E06 = 54, ///< GalileoC02 = 60, C07 = 61, C06 = 62, ///< BeiDouJ01 = 70, J02 = 71, J05 = 72, J06 = 73, ///< QZSSS01 = 80, S05 = 81, ///< SBASI05 = 90, ///< IRNSSLAST_GFRQ = 999 };

4. 觀測值類型

///< GNSS type/band/attr definitions enum GOBSTYPE {TYPE_C = 1, TYPE_L = 2, TYPE_D = 3, TYPE_S = 4,TYPE_P = 101, // only for P-code!TYPE = 999 // "" UNKNOWN };

• C=pseudorange
• L=carrier phase
• D=doppler
• S=signal strength

5. 觀測值band

enum GOBSBAND {BAND_1 = 1, BAND_2 = 2, BAND_3 = 3, BAND_5 = 5,BAND_6 = 6, BAND_7 = 7, BAND_8 = 8,BAND_A = 101, BAND_B = 102, BAND_C = 103, BAND_D = 104,BAND = 999 // "" UNKNOWN };

band / frequency in obs type

Examples: ? L1C: C/A code-derived L1 carrier phase (GPS, GLONASS) Carrier phase on E2-L1- E1 derived from C channel (Galileo) ? C2L: L2C pseudorange derived from the L channel (GPS) ? C2X: L2C pseudorange derived from the mixed (M+L) codes (GPS)

如上中間的數字。

6. 觀測值attr，追蹤方式

enum GOBSATTR {ATTR_A, ATTR_B, ATTR_C, ATTR_D, ATTR_I, ATTR_L, ATTR_M, ATTR_N,ATTR_P, ATTR_Q, ATTR_S, ATTR_W, ATTR_X, ATTR_Y, ATTR_Z,ATTR_NULL, // " " 2CHAR codeATTR = 999 // "" UNKNOWN };

attribute tracking mode or channel, e.g., I, Q, etc

7. 觀測值類型，全部類型，band，attr考慮

///< GNSS observations enum GOBS {///< psedorange [in meters] (RINEX 3.x)C1A = 0, C1B, C1C, C1I, C1L, C1M, C1P, C1S, C1Q, C1W, C1X, C1Y, C1Z,C2C, C2D, C2I, C2L, C2M, C2P, C2S, C2Q, C2W, C2X, C2Y,C3I, C3Q, C3X,C5A, C5B, C5C, C5I, C5Q, C5X,C6A, C6B, C6C, C6I, C6L, C6S, C6Q, C6X, C6Z,C7I, C7Q, C7X,C8I, C8Q, C8X,///< carrier phase [in whole cycles] (RINEX 3.x)L1A = 100, L1B, L1C, L1I, L1L, L1M, L1N, L1P, L1S, L1Q, L1W, L1X, L1Y, L1Z,L2C, L2D, L2I, L2L, L2M, L2N, L2P, L2S, L2Q, L2W, L2X, L2Y,L3I, L3Q, L3X,L5A, L5B, L5C, L5I, L5Q, L5X,L6A, L6B, L6C, L6I, L6L, L6S, L6Q, L6X, L6Z,L7I, L7Q, L7X,L8I, L8Q, L8X,///< doppler [cycles/sec] (RINEX 3.x)D1A = 200, D1B, D1C, D1I, D1L, D1M, D1N, D1P, D1S, D1Q, D1W, D1X, D1Y, D1Z,D2C, D2D, D2I, D2L, D2M, D2N, D2P, D2S, D2Q, D2W, D2X, D2Y,D3I, D3Q, D3X,D5A, D5B, D5C, D5I, D5Q, D5X,D6A, D6B, D6C, D6I, D6L, D6S, D6Q, D6X, D6Z,D7I, D7Q, D7X,D8I, D8Q, D8X,///< signal strength [DBHZ] (RINEX 3.x)S1A = 300, S1B, S1C, S1I, S1L, S1M, S1N, S1P, S1S, S1Q, S1W, S1X, S1Y, S1Z,S2C, S2D, S2I, S2L, S2M, S2N, S2P, S2S, S2Q, S2W, S2X, S2Y,S3I, S3Q, S3X,S5A, S5B, S5C, S5I, S5Q, S5X,S6A, S6B, S6C, S6I, S6L, S6S, S6Q, S6X, S6Z,S7I, S7Q, S7X,S8I, S8Q, S8X,///< special cases: v2.x or unknown tracking modesP1 = 1000, P2, P5, C1, C2, C5, C6, C7, C8, CA, CB, CC, CD,L1 = 1100, L2, L5, L6, L7, L8, LA, LB, LC, LD,D1 = 1200, D2, D5, D6, D7, D8, DA, DB, DC, DD,S1 = 1300, S2, S5, S6, S7, S8, SA, SB, SC, SD,X ///< LAST_GOBS };

8. GREAT-UPD中默認的頻率和頻段的優先順序

///< static map of default GNSS freq prioritiesconst t_map_freq GNSS_FREQ_PRIORITY = {{GPS , { LAST_GFRQ, G01, G02, G05}},{GLO , { LAST_GFRQ, R01, R02, R03_CDMA, R05_CDMA}},{GAL , { LAST_GFRQ, E01, E05, E07, E08, E06 }},{BDS , { LAST_GFRQ, C02, C07, C06, }},{QZS , { LAST_GFRQ, J01, J02, J05, J06 }},{SBS , { LAST_GFRQ, S01, S05 }},{GNS , { }}, }; ///< static map of default GNSS band prioritiesconst t_map_band GNSS_BAND_PRIORITY= {{GPS,{ BAND, BAND_1, BAND_2, BAND_5 }},{GLO,{ BAND, BAND_1, BAND_2, BAND_3, BAND_5 }},{GAL,{ BAND, BAND_1, BAND_5, BAND_7, BAND_8, BAND_6 }},{BDS,{ BAND, BAND_2, BAND_7, BAND_6, }},{QZS,{ BAND, BAND_1, BAND_2, BAND_5, BAND_6 }},{SBS,{ BAND, BAND_1, BAND_5 }},{GNS,{ }}, }; t_map_gnss GNSS_DATA_PRIORITY() {t_map_gnss m;m[GPS][BAND_1][TYPE_C] = { ATTR_C, ATTR_S, ATTR_L, ATTR_X, ATTR_P, ATTR_W, ATTR_Y, ATTR_M, ATTR_NULL };m[GPS][BAND_1][TYPE_L] = { ATTR_C, ATTR_S, ATTR_L, ATTR_X, ATTR_P, ATTR_W, ATTR_Y, ATTR_M, ATTR_N, ATTR_NULL };m[GPS][BAND_1][TYPE_D] = { ATTR_C, ATTR_S, ATTR_L, ATTR_X, ATTR_P, ATTR_W, ATTR_Y, ATTR_M, ATTR_N, ATTR_NULL };m[GPS][BAND_1][TYPE_S] = { ATTR_C, ATTR_S, ATTR_L, ATTR_X, ATTR_P, ATTR_W, ATTR_Y, ATTR_M, ATTR_N, ATTR_NULL };m[GPS][BAND_1][TYPE_P] = { ATTR_NULL };m[GPS][BAND_2][TYPE_C] = { ATTR_C, ATTR_D, ATTR_S, ATTR_L, ATTR_X, ATTR_P, ATTR_W, ATTR_Y, ATTR_M, ATTR_NULL };m[GPS][BAND_2][TYPE_L] = { ATTR_C, ATTR_D, ATTR_S, ATTR_L, ATTR_X, ATTR_P, ATTR_W, ATTR_Y, ATTR_M, ATTR_N, ATTR_NULL };m[GPS][BAND_2][TYPE_D] = { ATTR_C, ATTR_D, ATTR_S, ATTR_L, ATTR_X, ATTR_P, ATTR_W, ATTR_Y, ATTR_M, ATTR_N, ATTR_NULL };m[GPS][BAND_2][TYPE_S] = { ATTR_C, ATTR_D, ATTR_S, ATTR_L, ATTR_X, ATTR_P, ATTR_W, ATTR_Y, ATTR_M, ATTR_N, ATTR_NULL };m[GPS][BAND_2][TYPE_P] = { ATTR_NULL };m[GPS][BAND_5][TYPE_C] = { ATTR_I, ATTR_Q, ATTR_X, ATTR_NULL };m[GPS][BAND_5][TYPE_L] = { ATTR_I, ATTR_Q, ATTR_X, ATTR_NULL };m[GPS][BAND_5][TYPE_D] = { ATTR_I, ATTR_Q, ATTR_X, ATTR_NULL };m[GPS][BAND_5][TYPE_S] = { ATTR_I, ATTR_Q, ATTR_X, ATTR_NULL };m[GPS][BAND_A][TYPE_C] = { ATTR_NULL };m[GPS][BAND_A][TYPE_L] = { ATTR_NULL };m[GPS][BAND_A][TYPE_D] = { ATTR_NULL };m[GPS][BAND_A][TYPE_S] = { ATTR_NULL };m[GPS][BAND_B][TYPE_C] = { ATTR_NULL };m[GPS][BAND_B][TYPE_L] = { ATTR_NULL };m[GPS][BAND_B][TYPE_D] = { ATTR_NULL };m[GPS][BAND_B][TYPE_S] = { ATTR_NULL };m[GLO][BAND_1][TYPE_C] = { ATTR_C, ATTR_P, ATTR_NULL };m[GLO][BAND_1][TYPE_L] = { ATTR_C, ATTR_P, ATTR_NULL };m[GLO][BAND_1][TYPE_D] = { ATTR_C, ATTR_P, ATTR_NULL };m[GLO][BAND_1][TYPE_S] = { ATTR_C, ATTR_P, ATTR_NULL };m[GLO][BAND_1][TYPE_P] = { ATTR_NULL };m[GLO][BAND_2][TYPE_C] = { ATTR_C, ATTR_P, ATTR_NULL };m[GLO][BAND_2][TYPE_L] = { ATTR_C, ATTR_P, ATTR_NULL };m[GLO][BAND_2][TYPE_D] = { ATTR_C, ATTR_P, ATTR_NULL };m[GLO][BAND_2][TYPE_S] = { ATTR_C, ATTR_P, ATTR_NULL };m[GLO][BAND_2][TYPE_P] = { ATTR_NULL };m[GLO][BAND_3][TYPE_C] = { ATTR_I, ATTR_Q, ATTR_X, ATTR_NULL };m[GLO][BAND_3][TYPE_L] = { ATTR_I, ATTR_Q, ATTR_X, ATTR_NULL };m[GLO][BAND_3][TYPE_D] = { ATTR_I, ATTR_Q, ATTR_X, ATTR_NULL };m[GLO][BAND_3][TYPE_S] = { ATTR_I, ATTR_Q, ATTR_X, ATTR_NULL };m[GLO][BAND_A][TYPE_C] = { ATTR_NULL };m[GLO][BAND_A][TYPE_L] = { ATTR_NULL };m[GLO][BAND_A][TYPE_D] = { ATTR_NULL };m[GLO][BAND_A][TYPE_S] = { ATTR_NULL };m[GLO][BAND_B][TYPE_C] = { ATTR_NULL };m[GLO][BAND_B][TYPE_L] = { ATTR_NULL };m[GLO][BAND_B][TYPE_D] = { ATTR_NULL };m[GLO][BAND_B][TYPE_S] = { ATTR_NULL };m[GAL][BAND_1][TYPE_C] = { ATTR_A, ATTR_B, ATTR_C, ATTR_X, ATTR_Z, ATTR_NULL };m[GAL][BAND_1][TYPE_L] = { ATTR_A, ATTR_B, ATTR_C, ATTR_X, ATTR_Z, ATTR_NULL };m[GAL][BAND_1][TYPE_D] = { ATTR_A, ATTR_B, ATTR_C, ATTR_X, ATTR_Z, ATTR_NULL };m[GAL][BAND_1][TYPE_S] = { ATTR_A, ATTR_B, ATTR_C, ATTR_X, ATTR_Z, ATTR_NULL };m[GAL][BAND_5][TYPE_C] = { ATTR_I, ATTR_Q, ATTR_X, ATTR_NULL };m[GAL][BAND_5][TYPE_L] = { ATTR_I, ATTR_Q, ATTR_X, ATTR_NULL };m[GAL][BAND_5][TYPE_D] = { ATTR_I, ATTR_Q, ATTR_X, ATTR_NULL };m[GAL][BAND_5][TYPE_S] = { ATTR_I, ATTR_Q, ATTR_X, ATTR_NULL };m[GAL][BAND_6][TYPE_C] = { ATTR_A, ATTR_B, ATTR_C, ATTR_X, ATTR_Z, ATTR_NULL };m[GAL][BAND_6][TYPE_L] = { ATTR_A, ATTR_B, ATTR_C, ATTR_X, ATTR_Z, ATTR_NULL };m[GAL][BAND_6][TYPE_D] = { ATTR_A, ATTR_B, ATTR_C, ATTR_X, ATTR_Z, ATTR_NULL };m[GAL][BAND_6][TYPE_S] = { ATTR_A, ATTR_B, ATTR_C, ATTR_X, ATTR_Z, ATTR_NULL };m[GAL][BAND_7][TYPE_C] = { ATTR_I, ATTR_Q, ATTR_X, ATTR_NULL };m[GAL][BAND_7][TYPE_L] = { ATTR_I, ATTR_Q, ATTR_X, ATTR_NULL };m[GAL][BAND_7][TYPE_D] = { ATTR_I, ATTR_Q, ATTR_X, ATTR_NULL };m[GAL][BAND_7][TYPE_S] = { ATTR_I, ATTR_Q, ATTR_X, ATTR_NULL };m[GAL][BAND_8][TYPE_C] = { ATTR_I, ATTR_Q, ATTR_X, ATTR_NULL };m[GAL][BAND_8][TYPE_L] = { ATTR_I, ATTR_Q, ATTR_X, ATTR_NULL };m[GAL][BAND_8][TYPE_D] = { ATTR_I, ATTR_Q, ATTR_X, ATTR_NULL };m[GAL][BAND_8][TYPE_S] = { ATTR_I, ATTR_Q, ATTR_X, ATTR_NULL };m[GAL][BAND_A][TYPE_C] = { ATTR_NULL };m[GAL][BAND_A][TYPE_L] = { ATTR_NULL };m[GAL][BAND_A][TYPE_D] = { ATTR_NULL };m[GAL][BAND_A][TYPE_S] = { ATTR_NULL };m[GAL][BAND_B][TYPE_C] = { ATTR_NULL };m[GAL][BAND_B][TYPE_L] = { ATTR_NULL };m[GAL][BAND_B][TYPE_D] = { ATTR_NULL };m[GAL][BAND_B][TYPE_S] = { ATTR_NULL };m[BDS][BAND_2][TYPE_C] = { ATTR_I, ATTR_Q, ATTR_X, ATTR_NULL };m[BDS][BAND_2][TYPE_L] = { ATTR_I, ATTR_Q, ATTR_X, ATTR_NULL };m[BDS][BAND_2][TYPE_D] = { ATTR_I, ATTR_Q, ATTR_X, ATTR_NULL };m[BDS][BAND_2][TYPE_S] = { ATTR_I, ATTR_Q, ATTR_X, ATTR_NULL };m[BDS][BAND_6][TYPE_C] = { ATTR_I, ATTR_Q, ATTR_X, ATTR_NULL };m[BDS][BAND_6][TYPE_L] = { ATTR_I, ATTR_Q, ATTR_X, ATTR_NULL };m[BDS][BAND_6][TYPE_D] = { ATTR_I, ATTR_Q, ATTR_X, ATTR_NULL };m[BDS][BAND_6][TYPE_S] = { ATTR_I, ATTR_Q, ATTR_X, ATTR_NULL };m[BDS][BAND_7][TYPE_C] = { ATTR_I, ATTR_Q, ATTR_X, ATTR_NULL };m[BDS][BAND_7][TYPE_L] = { ATTR_I, ATTR_Q, ATTR_X, ATTR_NULL };m[BDS][BAND_7][TYPE_D] = { ATTR_I, ATTR_Q, ATTR_X, ATTR_NULL };m[BDS][BAND_7][TYPE_S] = { ATTR_I, ATTR_Q, ATTR_X, ATTR_NULL };m[SBS][BAND_1][TYPE_C] = { ATTR_C };m[SBS][BAND_1][TYPE_L] = { ATTR_C };m[SBS][BAND_1][TYPE_D] = { ATTR_C };m[SBS][BAND_1][TYPE_S] = { ATTR_C };m[SBS][BAND_1][TYPE_P] = { ATTR_NULL };m[SBS][BAND_5][TYPE_C] = { ATTR_I, ATTR_Q, ATTR_X };m[SBS][BAND_5][TYPE_L] = { ATTR_I, ATTR_Q, ATTR_X };m[SBS][BAND_5][TYPE_D] = { ATTR_I, ATTR_Q, ATTR_X };m[SBS][BAND_5][TYPE_S] = { ATTR_I, ATTR_Q, ATTR_X };m[QZS][BAND_1][TYPE_C] = { ATTR_C, ATTR_S, ATTR_L, ATTR_X, ATTR_Z };m[QZS][BAND_1][TYPE_L] = { ATTR_C, ATTR_S, ATTR_L, ATTR_X, ATTR_Z };m[QZS][BAND_1][TYPE_D] = { ATTR_C, ATTR_S, ATTR_L, ATTR_X, ATTR_Z };m[QZS][BAND_1][TYPE_S] = { ATTR_C, ATTR_S, ATTR_L, ATTR_X, ATTR_Z };m[QZS][BAND_2][TYPE_C] = { ATTR_S, ATTR_L, ATTR_X };m[QZS][BAND_2][TYPE_L] = { ATTR_S, ATTR_L, ATTR_X };m[QZS][BAND_2][TYPE_D] = { ATTR_S, ATTR_L, ATTR_X };m[QZS][BAND_2][TYPE_S] = { ATTR_S, ATTR_L, ATTR_X };m[QZS][BAND_5][TYPE_C] = { ATTR_I, ATTR_Q, ATTR_X };m[QZS][BAND_5][TYPE_L] = { ATTR_I, ATTR_Q, ATTR_X };m[QZS][BAND_5][TYPE_D] = { ATTR_I, ATTR_Q, ATTR_X };m[QZS][BAND_5][TYPE_S] = { ATTR_I, ATTR_Q, ATTR_X };m[QZS][BAND_6][TYPE_C] = { ATTR_S, ATTR_L, ATTR_X };m[QZS][BAND_6][TYPE_L] = { ATTR_S, ATTR_L, ATTR_X };m[QZS][BAND_6][TYPE_D] = { ATTR_S, ATTR_L, ATTR_X };m[QZS][BAND_6][TYPE_S] = { ATTR_S, ATTR_L, ATTR_X };return m; }

9. GREAT-UPD支持的衛星列表

t_map_sats GNSS_SATS() {t_map_sats m;// (string) necessary for VS2013m[GPS] = { (string)"G01",(string)"G02",(string)"G03",(string)"G04",(string)"G05",(string)"G06",(string)"G07",(string)"G08",(string)"G09",(string)"G10",(string)"G11",(string)"G12",(string)"G13",(string)"G14",(string)"G15",(string)"G16",(string)"G17",(string)"G18",(string)"G19",(string)"G20",(string)"G21",(string)"G22",(string)"G23",(string)"G24",(string)"G25",(string)"G26",(string)"G27",(string)"G28",(string)"G29",(string)"G30",(string)"G31",(string)"G32" };m[GLO] = { (string)"R01",(string)"R02",(string)"R03",(string)"R04",(string)"R05",(string)"R06",(string)"R07",(string)"R08",(string)"R09",(string)"R10",(string)"R11",(string)"R12",(string)"R13",(string)"R14",(string)"R15",(string)"R16",(string)"R17",(string)"R18",(string)"R19",(string)"R20",(string)"R21",(string)"R22",(string)"R23",(string)"R24" };m[GAL] = { (string)"E01",(string)"E02",(string)"E03",(string)"E04",(string)"E05",(string)"E06",(string)"E07",(string)"E08",(string)"E09",(string)"E10",(string)"E11",(string)"E12",(string)"E13",(string)"E14",(string)"E15",(string)"E16",(string)"E17",(string)"E18",(string)"E19",(string)"E20",(string)"E21",(string)"E22",(string)"E23",(string)"E24",(string)"E25",(string)"E26",(string)"E27",(string)"E28",(string)"E29",(string)"E30",(string)"E31",(string)"E32",(string)"E33",(string)"E34",(string)"E35",(string)"E36" };m[BDS] = { (string)"C01",(string)"C02",(string)"C03",(string)"C04",(string)"C05",(string)"C06",(string)"C07",(string)"C08",(string)"C09",(string)"C10",(string)"C11",(string)"C12",(string)"C13",(string)"C14",(string)"C15",(string)"C16",(string)"C17",(string)"C18",(string)"C19",(string)"C20",(string)"C21",(string)"C22",(string)"C23",(string)"C24",(string)"C25",(string)"C26",(string)"C27",(string)"C28",(string)"C29",(string)"C30",(string)"C31",(string)"C32",(string)"C33",(string)"C34",(string)"C35",(string)"C36",(string)"C37",(string)"C38",(string)"C39" };m[SBS] = { (string)"S20",(string)"S24",(string)"S25",(string)"S26",(string)"S27",(string)"S28",(string)"S29",(string)"S33",(string)"S35",(string)"S36",(string)"S37",(string)"S38",(string)"S40",(string)"S83" };m[QZS] = { (string)"J01",(string)"J02",(string)"J03",(string)"J07" };return m; }

10. 其他輔助函數

// ------------------------------------------------------------------------------------------------------// GLOBAL FUNCTIONS// ------------------------------------------------------------------------------------------------------/**@brief get GOBSATTR enum from gobs string */GNUT_LIBRARY_EXPORT GOBSATTR str2gobsattr(string s); /**@brief get GOBSBAND enum from gobs string */GNUT_LIBRARY_EXPORT GOBSBAND str2gobsband(string s); /**@brief get GOBSTYPE enum from gobs string */GNUT_LIBRARY_EXPORT GOBSTYPE str2gobstype(string s); /**@brief get GOBSATTR enum from char */GNUT_LIBRARY_EXPORT GOBSATTR char2gobsattr(char c); /**@brief get GOBSBAND enum from char */GNUT_LIBRARY_EXPORT GOBSBAND char2gobsband(char c); /**@brief get GOBSTYPE enum from char */GNUT_LIBRARY_EXPORT GOBSTYPE char2gobstype(char c); /**@brief get string enum from GOBSATTR */GNUT_LIBRARY_EXPORT string gobsattr2str(GOBSATTR e); /**@brief get string enum from GOBSBAND */GNUT_LIBRARY_EXPORT string gobsband2str(GOBSBAND e); /**@brief get string enum from GOBSTYPE */GNUT_LIBRARY_EXPORT string gobstype2str(GOBSTYPE e); /**@brief get string from GOBS enum */GNUT_LIBRARY_EXPORT string gobs2str(GOBS); /**@brief get GOBS enum from string */GNUT_LIBRARY_EXPORT GOBS str2gobs(string s); /**@brief get GOBS enum (pha->snr) */GNUT_LIBRARY_EXPORT GOBS pha2snr(GOBS o); /**@brief get true for code obs */GNUT_LIBRARY_EXPORT bool gobs_code(GOBS o); /**@brief get true for phase obs */GNUT_LIBRARY_EXPORT bool gobs_phase(GOBS o); /**@brief static map of default GNSS satellites */GNUT_LIBRARY_EXPORT t_map_sats GNSS_SATS(); /**@brief static map of default GNSS navigation types */GNUT_LIBRARY_EXPORT t_map_gnav GNSS_GNAV(); /**@brief static map of default GNSS data types/bands/attrs priorities */GNUT_LIBRARY_EXPORT t_map_gnss GNSS_DATA_PRIORITY();

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