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<TITLE>FORMAT of SATEL.DAT</TITLE>
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SATEL.DAT
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<BIG><B>SATEL.DAT file (\FBB\SYSTEM\SAT).</B></BIG>
This binary file holds the information on the satellite data base of the
BBS. This file is very important and must not be edited or changed otherwise
the list of the satellites could be lost. This file can only be opened for
reading.
It is organized with records, each record containing information on a
satellite. Never modify this file while the BBS is running.
Structure of one record (C language) :
typedef struct {
char sat_name[18]; /* 18 Name of the satellite */
int year ; /* 2 Year of reference */
double day ; /* 8 Day of reference */
int month ; /* 2 Month of reference */
int hour ; /* 2 Hour of reference */
int minute ; /* 2 Minute of reference */
int second ; /* 2 Second of reference */
double inclination ; /* 8 Inclination */
double raan ; /* 8 R.A.A.N. */
double excentricity; /* 8 Excentricity */
double a_perigee ; /* 8 Argument of perigee */
double mean_anomaly; /* 8 Mean anomaly */
double a ; /* 8 must be 0.0 */
double mean_motion ; /* 8 mean motion */
double dec_rate ; /* 8 Decay rate */
long revolution ; /* 4 Epoch revolution */
double frequency ; /* 8 Frequency for doppler computing */
double v ; /* 8 must be 0.0 */
int step ; /* 2 Step of processing (minutes) */
long last_upd ; /* 4 Date of last update */
long catalog ; /* 4 NASA Catalog Number */
int free[4] ; /* 8 Unused */
} satel ; /* 138 bytes : lenght of one record */
In C language, all strings are ended with a NULL (00 hex) character.
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