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SatTrack
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satglobals.h
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/******************************************************************************/
/* */
/* Title : satglobals.h */
/* Author : Manfred Bester */
/* Date : 03Mar92 */
/* Last change : 15Mar95 */
/* */
/* Synopsis : Definitions of global variables for 'sattrack'. */
/* */
/* */
/* SatTrack is Copyright (c) 1992, 1993, 1994, 1995 by Manfred Bester. */
/* All Rights Reserved. */
/* */
/* Permission to use, copy, and distribute SatTrack and its documentation */
/* in its entirety for educational, research and non-profit purposes, */
/* without fee, and without a written agreement is hereby granted, provided */
/* that the above copyright notice and the following three paragraphs appear */
/* in all copies. SatTrack may be modified for personal purposes, but */
/* modified versions may NOT be distributed without prior consent of the */
/* author. */
/* */
/* Permission to incorporate this software into commercial products may be */
/* obtained from the author, Dr. Manfred Bester, 1636 M. L. King Jr. Way, */
/* Berkeley, CA 94709, USA. Note that distributing SatTrack 'bundled' in */
/* with ANY product is considered to be a 'commercial purpose'. */
/* */
/* IN NO EVENT SHALL THE AUTHOR BE LIABLE TO ANY PARTY FOR DIRECT, INDIRECT, */
/* SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OF */
/* THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF THE AUTHOR HAS BEEN ADVISED */
/* OF THE POSSIBILITY OF SUCH DAMAGE. */
/* */
/* THE AUTHOR SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, BUT NOT */
/* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A */
/* PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS ON AN "AS IS" */
/* BASIS, AND THE AUTHOR HAS NO OBLIGATIONS TO PROVIDE MAINTENANCE, SUPPORT, */
/* UPDATES, ENHANCEMENTS, OR MODIFICATIONS. */
/* */
/******************************************************************************/
double precMatrix[3][3]; /* precession matrix */
double precMatrixTr[3][3]; /* transposed precession matrix */
double siteRotMatGl[3][3]; /* site transformation matrix */
double sunPosGl[3]; /* in Right Ascension based system */
double moonPosGl[3]; /* in Right Ascension based system */
double satPosGl[3]; /* in Right Ascension based system */
double satPosPrec[3]; /* in Right Ascension based system */
double satVelGl[3]; /* velocity [km/s] */
double satPosS[3]; /* in Right Ascension based system */
double satVelS[3]; /* velocity [km/s] */
double sitePosGl[3]; /* in Right Ascension based system */
double siteVelGl[3]; /* velocity [km/s] */
double localVecSatGl[3]; /* in local geodetic system */
double localVecSunGl[3]; /* in local geodetic system */
double localVecMoonGl[3]; /* in local geodetic system */
double siteVecGl[3]; /* fixed site vector on the Earth */
double satAttGl[3]; /* attitude vector in Bahn coordinates */
double satSquintGl[3]; /* squint vector in Bahn coordinates */
double curTimeGl; /* global current time [d] */
double epochDay, elsetEpochDay; /* time of epoch */
double elsetEpoch;
double epochMeanAnomaly; /* Mean Anomaly at epoch */
double epochRaan; /* RAAN at epoch */
double epochMeanMotion; /* [rev/day] */
double curMeanMotion; /* [rev/day] */
double decayRate; /* [rev/day^2] */
double decayRateDot; /* [rev/day^3] */
double bStarCoeff; /* BSTAR drag coefficient */
double epochArgPerigee; /* argument of perigee at epoch */
double eccentricity; /* eccentricity of satellite orbit */
double inclination; /* inclination of satellite orbit */
double sunPhaseAngle; /* angle between ground station and */
/* the Sun as seen from the satellite */
double sunRA, sunDec, sunAzimuth, sunElevation, sunDist, sunLat, sunLong;
double moonRA, moonDec, moonAzimuth, moonElevation, moonDist;
double refOrbit; /* orbit number at epoch */
double curOrbit, orbitFract; /* double current orbit number */
double stsOrbit, stsOrbitFract; /* current orbit number for STS */
double curMotion, curMotionX; /* current number of rev/day */
double meanAnomaly, meanAnomalyX; /* mean anomaly */
double trueAnomaly, trueAnomalyX; /* mean anomaly corrected for ellipse */
double semiMajorAxis; /* semimajor axis of satellite orbit */
double perigee; /* perigee of satellite orbit */
double perigeeHeight; /* perigee height of satellite orbit */
double apogeeHeight; /* apogee height of the orbit */
double satRadius; /* distance measured from geocenter */
double curRaan, curRaanX; /* RAAN */
double raanPrec; /* precession of RAAN */
double curArgPerigee, curArgPerigeeX; /* argument of perigee */
double curArgNodeX; /* argument of the ascending node */
double curInclination; /* inclination */
double curInclinationX; /* inclination from SGP4/SDP4 model */
double perigeePrec; /* precession of argument of perigee */
double satLat, satLong, satHeight; /* sub-satellite point */
double satAzimuth, satElevation; /* [rad] */
double trackAzimuth, trackElevation; /* [rad] */
double lastTrackAzi, lastTrackEle; /* [rad] */
double trackAziRate, trackEleRate; /* [rad/s] */
double satRange; /* [km] or [nm] */
double downlinkLoss, uplinkLoss; /* downlink/uplink path loss [dB] */
double squintAngle; /* squint angle [deg] */
double rangeRate; /* velocity w.r.t. ground station */
double satVelocity; /* orbital velocity [km/s] */
double downlinkFreq, uplinkFreq; /* downlink/uplink frequency [Hz] */
double downlinkDopp, uplinkDopp; /* downlink/uplink Doppler shift [Hz] */
double freqOffset, freqStep; /* frequency tuning corrections [Hz] */
double xponderBandwidth, xponderSign;
double perigeePhase;
double attLong, attLat; /* spacecraft attitude [deg] */
double satPhase, maxPhase; /* phase units in 1 orbit */
double siteLat, siteLong, siteAlt; /* site parameters */
double effEarthRadius;
double prevDispEle, prevSatLat;
double defMinElevation, minElevation; /* minimum elevation for pass calc. */
double defDuration, duration; /* duration of orbit prediction [d] */
double defStepTime, stepTime; /* step time for orbit prediction [s] */
double startTime, stopTime, realTime; /* time parameters [d] */
double utcTime; /* UTC [d] */
double julianDate; /* Julian date [d] */
double lastJulianDateSun; /* Julian date [d] */
double lastJulianDatePrec; /* Julian date [d] */
double lastJulianDateNute; /* Julian date [d] */
double launchTime, launchEpoch; /* launch time parameters [d] */
double timeZone; /* time zone [h] (west = '+') */
double gmsTime; /* Greenwich mean sidereal time */
double gasTime; /* Greenwich apparent sidereal time */
double lasTime; /* local apparent sidereal time */
double lastSunGraphTime; /* last time terminator updated [d] */
double lastSatGraphHeight; /* last height for visib circle [km] */
double totPsi, totEps; /* nutation in longitude and obliquity */
double equEquinox; /* equation of the equinoxes */
double cityLat, cityLong; /* nearest city coordinates [deg] */
double gndTrkDist; /* distance betw. SSP and nearest city */
double atmPressure; /* atmospheric pressure [mmHg] */
double ambTemperature; /* ambient temperature [C] */
double relHumidity; /* relative humidity [%] */
double dummyd; /* dummy double precision variable */
double cosInclination, sinInclination;
double cosTrueAnomaly, sinTrueAnomaly;
long satNum; /* number of satellite */
long dayNumber; /* day number since 1900 */
long lastDayNum;
long launchDate; /* launch date */
long epochOrbitNum; /* integer orbit number of epoch */
long orbitNum, stsOrbitNum; /* integer part of orbit number */
long curYearSec; /* seconds in the year for tracking */
long lastTrackYearSec;
int satOrder[MAXSATS];
int ephemerisType, launchYear, launchMonth, launchDay, launchHour;
int launchMin, launchSec, launchFlag, attitudeFlag, elementSet;
int numFreqs, freqPtr, numModes, propModelType, maidenHeadFlag;
int batchModeFlag, debugFlag, defaultsFileFlag, defaultsFileNum;
int graphicsFlag, graphicsOpenFlag, modelFlag, quickStartFlag, verboseFlag;
int timeZoneFlag, timeZones;
int eclipseCode, eclipseRise, eclipseMax, eclipseSet;
int satTypeFlag, initNorad, geoSyncFlag, elevationFlag, newRiseFlag;
int passDispFlag, countdownFlag, checkCountdown, shortPredFlag;
int satCrashFlag, preLaunchFlag, preOrbitFlag;
int trackingFlag, trackCtrlFlag, trackDispFlag, trackingEnableFlag;
int liveDispFlag, didMultDispFlag;
int objectNumFlag, noPassFlag, xTermFlag, trueXtermFlag;
int gndTrkFlag, newGndTrkFlag;
int justAcquFlag, justLostFlag, pointerFlag, pageFlag;
int trackObject, newTrackObjectFlag, firstLine, firstPage, headerCol;
int numCities, oldCityNum, newCityNum, numSats, numSatsAuto, numTle;
int numLines, numLinesX, numSatLines, satLinePtr, numGroundStations;
int transitFlag, sunTransitFlag, sunProximity, sunTransit;
int mainChoice, nX, nY, lastX, lastY, firstGraphics, dummyi;
char modesDat[80], sitesDat[80], defaultsDat[80], defSatGroup[10];
char defTimeZoneStr[10], timeZoneStr[10], elementFile[80];
char satName[80], satTrackName[80], satAlias[80], fullSatAlias[80];
char satFileName[80], siteName[80], siteNameID[80], fullSiteName[80];
char satGroup[10], maidenHead[10];
char defDispType[10], defSat[40], defSet[40], defSetTLE[40], defSetSTS[40];
char defSetType[40], defSite[40], elementType[40], callSign[25];
char downlinkMode[8], uplinkMode[8], modeString[10], timeString[80];
char epochString[40];
char launchString[40], updateString[40], header[80], propModel[20];
char gndTrkDir[10], gndTrkCity[80], dispStr[80], termTypeX[20];
char antennaIO[80], radioIOA[80], radioIOB[80];
char batchTimeZone[10];
char batchSiteName[80], batchSatName[80], batchTleFile[80];
char batchTleType[80], batchPredType[80], batchStartDate[80];
char batchStartTime[80], batchStepTime[80], batchDuration[80];
char batchMinElev[80], batchHardcopy[80], helpStr[80], licenseFile[80];
char graphicsTitle[80], xTimeStr[80], xMetStr[25], xGndTrkStr[80];
char sattrackTitle[80];
char *strpHome, *strpTerm, *strpDisp, *strpRgst;
FILE *fpr, *outFile, *antennaFile, *radioFileA, *radioFileB;
cityType city[MAXCITIES];
tleType tle[MAXSATS];
satelType satel[MAXSATS];
freqType freqs[MAXFREQS];
modeType modes[MAXMODES];
satType sat[MAXSATS];
trackType groundTrack[NSEGSGT];
stationType groundStation[MAXSTATIONS];
/******************************************************************************/
/* */
/* End of include file satglobals.h */
/* */
/******************************************************************************/