adata.h

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#ifndef ADATA_H
#define ADATA_H
 
#define CURRENT_VERSION 5
#define AFILEMX_VERSION 6
 
typedef struct {
        short                   version;        /* Disk format version number */
        char                    fname[6];       /* FMGR name without "<" */
        short                   expt_no;        /* Experiment serial # */
        short                   extent_no;      /* From HP-1000 system */
        short                   size;           /* file size in 256-byte blocks */
        char                    corel_vers;     /* Corel version used */
        int                     procdate;       /* Creation date for this extent */
        int                     time_tag;       /* Secs since 0h, Jan 1 1980 */
        short                   ssec;           /* scan time seconds, if available */
        char                    source[32];     /* Source name */
        char                    stations[20];   /* station list */
        char                    root_id[7];     /* Unique 6-char root id code */
        short                   archiv;         /* A-file number */
 
                                        /* Added for version 5 */
 
        char                    scan_id[32];    /* From VEX, not necessarily scantime */
} rootsum;
 
/* The total length of this structure in bytes is 120 */
 
 
 
typedef struct {
        short                   version;        /* Disk format version number */
        char                    fname[6];       /* FMGR name without "<" */
        short                   expt_no;        /* Experiment serial # */
        short                   extent_no;      /* From HP-1000 system */
        short                   size;           /* file size in 256-byte blocks */
        char                    corel_vers;     /* Corel version used */
        int                     procdate;       /* Creation date for this extent */
        int                     time_tag;       /* Secs since 0h, Jan 1 1980 */
        short                   ssec;           /* scan time seconds, if available */
        char                    source[32];     /* Source name */
        char                    baseline[3];    /* standard baseline id */
        char                    quality;        /* corel quality code */
        short                   startsec;       /* UT seconds of scheduled start */
        short                   sduration;      /* Scheduled duration of scan secs */
        short                   corstart;       /* Correlation start in secs after sch. strt */
        short                   corstop;        /* Correlation stop in secs after sch. strt */
        short                   refdrive;       /* Correlator tape drive # reference station */
        short                   remdrive;       /* Correlator tape drive # reference station */
        short                   eqts;           /* # of EQTs configured into this b'line (?) */
        char                    freqs[3];       /* Frequencies processed */
        float                   refclock_err;   /* Ref station apriori clock error (usec) */
        float                   clock_diff;     /* Difference between station clocks (usec) */
        char                    root_id[7];     /* Unique 6-char root id code */
        int                     status;         /* Correlation status bits */
        short                   archiv;         /* A-file number */
 
                                        /* Added for version 4 */
 
        int                     lags;           /* Number of lags in correlation */
 
                                        /* Added for version 5 */
 
        char                    scan_id[32];    /* From VEX, not necessarily scantime */
} corelsum;
 
/* The total length of this structure in bytes is 140 */
 
 
typedef struct {
        short                   version;        /* Disk format version number */
        char                    fname[6];       /* FMGR name without "<" */
        short                   expt_no;        /* Experiment serial # */
        short                   extent_no;      /* From HP-1000 system */
        short                   length;         /* scan length in seconds */
        char                    corel_vers;     /* Corel version used */
        int                     procdate;       /* Creation date for this extent */
        int                     time_tag;       /* Seconds since 0h, Jan 1 1980 */
        short                   ssec;           /* scan time seconds, version 1 */
        char                    source[32];     /* Source name */
        char                    baseline[3];    /* standard baseline id */
        char                    quality;        /* frnge quality code */
        char                    freq_code;      /* type 2 only */
        char                    mode;           /* recording mode */
        short                   no_freq;        /* number of freqs through frnge */
        short                   archiv;         /* A-file number */
        char                    reftape[9];     /* Reference tape label */
        char                    remtape[9];     /* Remote tape label */
        float                   amp;            /* Correlation amplitude */
        float                   snr;            /* SNR from frnge, v1 clips at 9999 */
        float                   resid_phas;     /* residual earth-centered phase deg */
        float                   sbdelay;        /* resid singleband delay usec */
        float                   mbdelay;        /* resid multiband delay usec */
        float                   delay_rate;     /* resid delay rate psec/sec */
        int                     esdesp;         /* Various numbers describing data */
        short                   epoch[2];       /* reference epoch mins,secs */
        float                   total_phas;     /* tot earth-centered phase deg */
        double                  total_rate;     /* tot delay rate usec/sec */
        double                  total_mbdelay;  /* tot multiband delay usec */
        float                   total_sbresid;  /* tot sbdelay - mbdelay usec */
        float                   ambiguity;      /* mbdelay ambiguity */
        short                   pcals[4];       /* Phasecals deg,  ref1,reflast, */
        char                    root_id[7];     /* Unique 6-char root id code */
 
                                        /* Added for version 2 */
 
        double                  ref_freq;       /* Reference frequency */
        char                    datatype[3];    /* Origin and phase type */
        float                   ref_elev;       /* Reference elevation */
        float                   rem_elev;       /* Remote elevation */
        float                   ref_az;         /* Reference azimuth */
        float                   rem_az;         /* Remote azimuth */
        float                   u;              /* u in megalambda */
        float                   v;              /* v in megalambda */
        short                   parents[4];     /* Parent corel extent(s) */
 
                                        /* Added for version 3 */
 
        short                   duration;       /* Nominal duration of scan (secs) */
        short                   offset;         /* mean time minus scan_time (sec) */
 
                                        /* Added for version 4 */
 
        short                   scan_offset;    /* time_tag minus scan time */
        int                     lags;           /* Number of lags in correlation*/
        float                   phase_snr;      /* When independent of amp. snr */
        short                   srch_cotime;    /* Coh. time for max. snr (sec) */
        short                   noloss_cotime;  /* Coh. time for negligible loss (sec) */
 
                                        /* Added for version 5 */
 
        char                    scan_id[32];    /* From VEX, not necessarily scantime */
        char                    polarization[3]; /* RR, LL, RL or LR */
        char                    errcode;        /* for Mk3-style letter codes */
 
                                        /* Added for version 6 */
 
        float                   ra_hrs;         /* derived from sky_coord */
        float                   dec_deg;        /* derived from sky_coord */
 
        float                   resid_delay;    /* N*AMB + MBD to match SBD */
 
} fringesum;
 
/* The total length of this structure in bytes is 280 */
 
 
typedef struct {
        short                   version;        /* Disk format version number */
        short                   expt_no;        /* Experiment serial # */
        int                     time_tag;       /* Seconds since 0h, Jan 1 1980 */
        char                    source[32];     /* Source name */
        char                    freq_code;      /* type 2 only */
        char                    mode;           /* recording mode */
        char                    triangle[4];    /* Stations in closure triangle */
        char                    root_id[3][7];  /* 3 comma-separated root id codes */
        short                   extent_no[3];   /* From HP-1000 system */
        short                   length[3];      /* scan lengths in seconds */
        char                    scan_quality;   /* closure quality code, scan-derived */
        char                    data_quality;   /* closure quality code, calc'd by average */
        int                     esdesp;         /* Max diff around triangle per digit */
        float                   bis_amp;        /* Bispectrum amplitude, e-12 */
        float                   bis_snr;        /* Bispectrum SNR */
        float                   bis_phas;       /* Bispectrum phase = closure phase */
        float                   csbdelay;       /* closure singleband delay usec */
        float                   cmbdelay;       /* closure multiband delay usec */
        float                   ambiguity;      /* mbdelay ambiguity */
        float                   cdelay_rate;    /* closure delay rate psec/sec */
        float                   elevation[3];   /* By station */
        float                   azimuth[3];     /* By station */
        short                   epoch[2];       /* reference epoch mins,secs */
        double                  ref_freq;       /* Reference frequency */
 
                                        /* Added for version 3 */
 
        short                   duration;       /* Nominal duration of scan (secs) */
        short                   offset;         /* mean time minus scan_time (sec) */
        char                    datatype[3];    /* Meaning TBD */
 
                                        /* Added for version 4 */
 
        short                   scan_offset;    /* time_tag minus scan time */
        int                     lags;           /* Number of lags in correlation */
        short                   cotime;         /* Coherence time of worst b'line */
 
                                        /* Added for version 5 */
 
        char                    scan_id[32];    /* From VEX, not necessarily scantime */
} trianglesum;
 
/* The total length of this structure in bytes is 208 */
 
 
 
typedef struct {
        short                   version;        /* Disk format version number */
        short                   expt_no;        /* Experiment serial # */
        int                     time_tag;       /* Seconds since 0h, Jan 1 1980 */
        char                    source[32];     /* Source name */
        char                    freq_code;      /* type 2 only */
        char                    mode;           /* recording mode */
        char                    quad[5];        /* Stations in closure quad */
        char                    root_id[42];    /* 6 comma-separated root id codes */
        short                   extent_no[6];   /* From HP-1000 system */
        short                   length[6];      /* scan lengths in seconds */
        char                    quality;        /* closure quality code */
        int                     esdesp;         /* Max diff around quad per digit */
        float                   cl_amp;         /* Closure amplitude */
        float                   elevation[4];   /* By station */
        float                   azimuth[4];     /* By station */
        short                   epoch[2];       /* reference epoch mins,secs */
        double                  ref_freq;       /* Reference frequency */
 
                                        /* Added for version 3 */
 
        short                   duration;       /* Nominal duration of scan (secs) */
        short                   offset;         /* mean time minus scan_time (sec) */
        char                    datatype[3];    /* Meaning TBD */
 
                                        /* Added for version 4 */
 
        short                   scan_offset;    /* time_tag minus scan time */
        int                     lags;           /* Number of lags in correlation */
 
                                        /* Added for version 5 */
 
        char                    scan_id[32];    /* From VEX, not necessarily scantime */
} quadsum;
 
/* The total length of this structure in bytes is 216 */
 
#endif