Resolve "TDCP batch implementation"

Closes #15 (closed)

include/gnss_utils/gnss_utils.h

@@ -118,7 +118,7 @@ struct Options
     int tropopt;        // troposphere option: TROPOPT_OFF(0):correction off, TROPOPT_SAAS(1):Saastamoinen model, TROPOPT_SBAS(2):SBAS model, TROPOPT_EST(3):troposphere option: ZTD estimation, TROPOPT_ESTG(4):ZTD+grad estimation, TROPOPT_ZTD(5):ZTD correction,6:ZTD+grad correction
     int sbascorr;       // SBAS correction options (can be added): SBSOPT_LCORR(1): long term correction, SBSOPT_FCORR(2): fast correction, SBSOPT_ICORR(4): ionosphere correction, SBSOPT_RANGE(8): ranging
     int raim;           // RAIM removed sats
-    double elmin;       // min elevation (degrees)
+    double elmin;       // min elevation (rad)
     double maxgdop;     // maxgdop: reject threshold of gdop
     bool GPS,SBS,GLO,GAL,QZS,CMP,IRN,LEO; // constellations used
     TdcpOptions tdcp;   // TDCP options
@@ -173,7 +173,7 @@ class Range;
 // Typedefs
 typedef std::map<int,Satellite> Satellites;
 typedef std::map<int,Range> Ranges;
-typedef std::map<int,Eigen::Vector2d> Azels;
+typedef std::map<int,Eigen::Vector2d> Azels; // Azimuth and elevation (rad)
 
 // pointer typedefs
 typedef std::shared_ptr<Observations>       ObservationsPtr;