GSSI SIR 30, Руководство пользователя

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Geophysical Survey Systems, Inc. SIR® 30
Manual
MN 93-101 Rev E 106
C. RADAN Header structure
struct tagRFHeader
{ // Offset in bytes
short rh_tag; // 0x00ff if header, 0xfnff for old file 00
short rh_data; // Offset to Data from beginning of file 02
// if rh_data < MINHEADSIZE then
// offset is MINHEADSIZE * rh_data
// else offset is MINHEADSIZE *rh_nchan
short rh_nsamp; // samples per scan 04
short rh_bits; // bits per data word (8,16, 32) * 06
short rh_zero; // if rh_system is SIR 30, 08
// then equals repeats/sample
// otherwise is 0x80 for 8 bit data and
// 0x8000 for 16 bit data
FLOATBYTE(rhf_sps); // scans per second 10
FLOATBYTE(rhf_spm); // scans per meter 14
FLOATBYTE(rhf_mpm); // meters per mark 18
FLOATBYTE(rhf_position); // position (ns) 22
FLOATBYTE(rhf_range); // range (ns) 26
short rh_npass; // num of passes for 2-D files 30
RFDATEBYTE(rhb_cdt); // Creation date & time 32
RFDATEBYTE(rhb_mdt); // Last modification date & time 36
short rh_rgain; // offset to range gain function 40
short rh_nrgain; // size of range gain function 42
short rh_text; // offset to text 44
short rh_ntext; // size of text 46
short rh_proc; // offset to processing history 48
short rh_nproc; // size of processing history 50
short rh_nchan; // number of channels 52
FLOATBYTE(rhf_epsr); // average dielectric constant 54
FLOATBYTE(rhf_top); // position in meters 58
FLOATBYTE(rhf_depth); // range in meters 62
COORDBYTE(rh_coordX); // X coordinates 66
FLOATBYTE(rhf_servo_level); // gain servo level 74
char reserved[3]; // reserved 78
BYTE rh_accomp; // Ant Conf component 81
short rh_sconfig; // setup config number 82
short rh_spp; // scans per pass 84
short rh_linenum; // line number 86
COORDBYTE(rh_coordY); // Y coordinates 88
BYTE rh_lineorder:4; // 96
BYTE rh_slicetype:4; // 96
char rh_dtype; // 97
char rh_antname[14]; // Antenna name 98
BYTE rh_pass0TX:4; // Activ Transmit mask 112
BYTE rh_pass1TX:4; // Activ Transmit mask 112
BYTE rh_version:3; // 1 – no GPS; 2 - GPS 113
BYTE
rh
_system:5; // (see below for description)** 113
char rh_name[12]; // Initial File Name 114
short rh_chksum; // checksum for header 126
char variable[INFOAREASIZE]; // Variable data 128
RGPS rh_RGPS[2]; // GPS info 944