/*!
 * \file gps_almanac.h
 * \brief  Interface of a GPS ALMANAC storage
 * \author Javier Arribas, 2013. jarribas(at)cttc.es
 *
 * -------------------------------------------------------------------------
 *
 * Copyright (C) 2010-2018  (see AUTHORS file for a list of contributors)
 *
 * GNSS-SDR is a software defined Global Navigation
 *          Satellite Systems receiver
 *
 * This file is part of GNSS-SDR.
 *
 * GNSS-SDR is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * GNSS-SDR is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with GNSS-SDR. If not, see <https://www.gnu.org/licenses/>.
 *
 * -------------------------------------------------------------------------
 */


#ifndef GNSS_SDR_GPS_ALMANAC_H_
#define GNSS_SDR_GPS_ALMANAC_H_


/*!
 * \brief This class is a storage for the GPS SV ALMANAC data as described in IS-GPS-200E
 *
 * See http://www.gps.gov/technical/icwg/IS-GPS-200E.pdf Appendix II
 */
class Gps_Almanac
{
public:
    unsigned int i_satellite_PRN;  //!< SV PRN NUMBER
    double d_Delta_i;
    double d_Toa;             //!< Almanac data reference time of week (Ref. 20.3.3.4.3 IS-GPS-200E) [s]
    double d_M_0;             //!< Mean Anomaly at Reference Time [semi-circles]
    double d_e_eccentricity;  //!< Eccentricity [dimensionless]
    double d_sqrt_A;          //!< Square Root of the Semi-Major Axis [sqrt(m)]
    double d_OMEGA0;          //!< Longitude of Ascending Node of Orbit Plane at Weekly Epoch [semi-circles]
    double d_OMEGA;           //!< Argument of Perigee [semi-cicles]
    double d_OMEGA_DOT;       //!< Rate of Right Ascension [semi-circles/s]
    int i_SV_health;          // SV Health
    double d_A_f0;            //!< Coefficient 0 of code phase offset model [s]
    double d_A_f1;            //!< Coefficient 1 of code phase offset model [s/s]

    /*!
     * Default constructor
     */
    Gps_Almanac();
};

#endif
