# the "RADARV" header need occur only once at the start of each volume

typedef struct  {
		char    desc[4];
		unsigned short   recordlen;
		short   rev;
		short   year;           /* this is also in the dwell as sec from 1970 */
		char    radar_name[8];
		char    polarization;   /* H or V */
		float   test_pulse_pwr; /* power of test pulse (refered to antenna flange) */
		float   test_pulse_frq; /* test pulse frequency */
		float   frequency;      /* transmit frequency */
		float   peak_power;     /* typical xmit power (at antenna flange) read from config.rdr file */
		float   noise_figure;
		float   noise_power;    /* for subtracting from data */
		float   receiver_gain;  /* hor chan gain from antenna flange to VIRAQ input */
		float   data_sys_sat;   /* VIRAQ input power required for full scale */
		float   antenna_gain;
		float   horz_beam_width;
		float   vert_beam_width;
		float   xmit_pulsewidth; /* transmitted pulse width */
		float   rconst;         /* radar constant */
		float   phaseoffset;    /* offset for phi dp */
		float   vreceiver_gain; /* ver chan gain from antenna flange to VIRAQ */
		float   vtest_pulse_pwr; /* ver test pulse power refered to antenna flange */
		float   vantenna_gain;  
		float   vnoise_power;   /* for subtracting from data */
		float   zdr_fudge_factor; /* what else? */
# ifdef obsolete
		float   misc[4];        /* 4 more misc floats */
# else
                float   mismatch_loss;
		float   misc[3];        /* 3 more misc floats */
# endif
		char    text[960];
		} RADARV;

# "HEADERV" is at the start of each ray of data

typedef struct  {
		char            desc[4];
		unsigned short  recordlen;
		short           gates,hits;
		float           rcvr_pulsewidth,prt,delay; /* delay to first gate */
		char            clutterfilter,timeseries;
		short           tsgate;
		unsigned int    time;      /* seconds since 1970 */
		short           subsec;    /* fractional seconds (.1 mS) */
		float           az,el;
		float           radar_longitude; 
		float           radar_lattitude;
		float           radar_altitude;
		float           ew_velocity;
		float           ns_velocity;
		float           vert_velocity;
		char            dataformat;     /* 0 = abp, 1 = abpab (poly), 2 = abpab (dual prt) */
		float           prt2;
		float           fxd_angle;
		unsigned char   scan_type;
		unsigned char   scan_num;
		unsigned char   vol_num;
		unsigned int    ray_count;
		char            transition;
		float           hxmit_power;    /* on the fly hor power */
		float           vxmit_power;    /* on the fly ver power */
# ifdef obsolete
		char            spare[100];
# else
		float           yaw;            /* platform heading in degrees */
		float           pitch;          /* platform pitch in degrees */
		float           roll;           /* platform roll in degrees */
		char            spare[88];
# endif
		} HEADERV;