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https://github.com/gnss-sdr/gnss-sdr
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54 lines
2.7 KiB
Protocol Buffer
54 lines
2.7 KiB
Protocol Buffer
// SPDX-License-Identifier: BSD-3-Clause
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// SPDX-FileCopyrightText: 2018-2021 Carles Fernandez-Prades <carles.fernandez@cttc.es>
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syntax = "proto3";
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package gnss_sdr;
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message GalileoEphemeris {
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int32 PRN = 1; // SV ID
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double M_0 = 2; // Mean anomaly at reference time [semi-circles]
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double delta_n = 3; // Mean motion difference from computed value [semi-circles/sec]
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double ecc = 4; // Eccentricity
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double sqrtA = 5; // Square root of the semi-major axis [meters^1/2]
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double OMEGA_0 = 6; // Longitude of ascending node of orbital plane at weekly epoch [semi-circles]
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double i_0 = 7; // Inclination angle at reference time [semi-circles]
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double omega = 8; // Argument of perigee [semi-circles]
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double OMEGAdot = 9; // Rate of right ascension [semi-circles/sec]
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double idot = 10; // Rate of inclination angle [semi-circles/sec]
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double Cuc = 11; // Amplitude of the cosine harmonic correction term to the argument of latitude [radians]
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double Cus = 12; // Amplitude of the sine harmonic correction term to the argument of latitude [radians]
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double Crc = 13; // Amplitude of the cosine harmonic correction term to the orbit radius [meters]
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double Crs = 14; // Amplitude of the sine harmonic correction term to the orbit radius [meters]
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double Cic = 15; // Amplitude of the cosine harmonic correction term to the angle of inclination [radians]
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double Cis = 16; // Amplitude of the sine harmonic correction term to the angle of inclination [radians]
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int32 toe = 17; // Ephemeris reference time [s]
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// Clock correction parameters
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int32 toc = 18; // Clock correction data reference Time of Week [sec]
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double af0 = 19; // SV clock bias correction coefficient [s]
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double af1 = 20; // SV clock drift correction coefficient [s/s]
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double af2 = 21; // SV clock drift rate correction coefficient [s/s^2]
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double satClkDrift = 22; // SV clock drift
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double dtr = 23; // Relativistic clock correction term
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// Time
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int32 WN = 24; // Week number
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int32 tow = 25; // Time of Week
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// Galileo-specific parameters
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int32 IOD_ephemeris = 26;
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int32 IOD_nav = 27;
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// SV status
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int32 SISA = 28; // Signal in space accuracy index
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int32 E5a_HS = 29; // E5a Signal Health Status
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int32 E5b_HS = 30; // E5b Signal Health Status
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int32 E1B_HS = 31; // E1B Signal Health Status
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bool E5a_DVS = 32; // E5a Data Validity Status
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bool E5b_DVS = 33; // E5b Data Validity Status
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bool E1B_DVS = 34; // E1B Data Validity Status
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double BGD_E1E5a = 35; // E1-E5a Broadcast Group Delay [s]
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double BGD_E1E5b = 36; // E1-E5b Broadcast Group Delay [s]
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}
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