FTN77,S $FILES 2,2 PROGRAM TNFQS (3,80) ********************************************************************* * * * PROGRAM TO TRACK SOURCES ON AND OFF THE BEAM at 4 frequencies * * SOURCES READ FROM A SOURCE FILE. COPY OF TNFPC 1991/05/30 * * * * mod JFHQ 1991 Jul 8 : Runs similarly to TAEAQ but with HA * * limits from STEER as in TNFPC * * * * Use of Fluke 8840 DVM 1985/10/24 * * * * WRITTEN BY DCB 1982/04/30 FOR LATEST MOD SEE VERSION BELOW * * Precession calcs changed 1984/09/14 * * Modified by CF 1988/02/29 to allow interrupt by SCHDL; * * statements from TONSH used. Updated JQ 1992/02/25 * * Modified by JQ 1991/07/11 to use DRIVE as a son program. * * * ********************************************************************* * PARAMETER (NFRQ = 4) * CHARACTER KDTYPE(2)*8, CPLACE(11)*2, NAMRFL*10, HYPANS*2 * LOGICAL AOK, START, CHK, HKEEP, PROB, NEXT, FIRE, S13OFF, * RPTFQ, BADTRK, WVTB, CALSRS, IFBRK, CLSUN, S18OFF, * NO3P6, BELOW, KDECML, PAGEFD, HYPFLT, NOWDAY, OBSDONE * INTEGER ITIME(5), IPRAM(5), FILNAM(3), SWIN, DPRC2(3), * FDCB(144), SORSBF(40), SORSNM(5), IANG(5), ALARM(3), * RESFIL(3), IDCB(272), IDUMY(2), ERSORS(10), IAB(2) * REAL FNOFS(NFRQ), HPOFS(NFRQ), * RAOFS(NFRQ), DEOFS(NFRQ), WAVE(NFRQ), * TUFLUX(NFRQ), BMSEP(NFRQ), * ERWAV(10), ERSQAV(10), MEDTB, MEDVM, * SFLUX(11), SERR(11), DVM(11) * COMMON / CBOTH / SORSJY, ERROR, MEDTB, TBDEV, MEDVM, NEXT, FIRE, * HKEEP, PROB, SORSNM, KPLACE, IDCB, NSORS, * I, ITIME, IYEAR, RPTFQ, BADTRK, ERSORS, ERWAV, * KERR, ERSQAV, CALSRS, IDCBS, TUBNET * EQUIVALENCE (REG,IAB(1)), * (RAP, IANG(1)), (DECP, IANG(3)) * * FNOFS is the angular offset of beam FIRST NULLS. * HPOFS " " " " " " HALF POWER points. * FNOFS and HPOFS are measured from the beam peak. * RAOFS, DEOFS are the offsets of the FEEDS. * Measured to beam peak (single beam) or to cross-over (dual) * BMSEP is the angular separation (peak to peak) of dual beams * * TUFLUX is the NOISE TUBE equivalent flux in Jansky. * * ISIZE, ITYPE, ISECU, ICR refer to the RESULTS FILE. * Results are written on to RESFIL which has form QSday. * DATA WAVE / 6.0, 3.6, 13.0, 18.0 /, * FNOFS / 0.18, 0.230, 0.4, 0.595 /, * HPOFS / 0.082, 0.048, 0.162, 0.247 /, * RAOFS / 0.084, 0.144, 0.071, 0.070 /, * DEOFS / -0.214, -0.603, 0.413, 1.750 /, * BMSEP / 0.254, 0.258, 0.0, 0.0 /, * TUFLUX/ 24.65, 191.77, 37.99, 140.0 /, * ISIZE / 100 /, ITYPE / 3 /, ISECU / 0 /, ICR / 15 /, * RESFIL / 2HQS, 2H00, 2H /, * CHK / .FALSE. /, LU / 7 /, * ALARM / 2HAL, 2HAR, 2HM /, * DPRC2 / 2HDP, 2HRC, 2H2 /, * KDTYPE / 'DECIMAL ', 'HMS, DMS' / * * Initialise resources * CALL FSYSU (LU, LU) CALL ISSR (0) ! Reset S-register PRINT '(A1)', CHAR(14B) ! Form feed * * Set to zero the counter of the number of completed tracks. * KERR counts if largest no. out of DVM exceeds limit s.t. * program gives only 5 significant figures (2exp23-1)*10 NUMTRK = 0 NSETS = 0 KERR = 0 RPTFQ = .FALSE. IDCBS = 256 * * Ensure all Noise Diodes are off so calibration works * CALL EXEC (2, 113B, 0, 1, 3, 3) * * Print suitable Program Header * CALL EXEC(11,ITIME,IYEAR) WRITE (LU,1000) ITIME(5),IYEAR 1000 FORMAT(//3X,"ON/OFF TRACKING PROGRAM (TNFQS) : DAY ",I3,",",I4 * /3X,46"=" * //3X," Version <960618.0910>" * //3X," Source file must use 1950.0 coordinates. ", * //3X," Set S register bit 0 ON to suspend 3.6 cm readings" * /22X," 1 ON to suspend 6.0 cm readings" * /22X," 2 ON to suspend 13.0cm readings" * //22X," 9 ON to repeat current FREQ." * /22X," 10 ON to repeat current SOURCE " * //22X," 13 ON to SUSPEND the program" * /22X," 14 ON to SKIP the next source " * /22X," 15 ON to END PROGRAM.",//) * * Check Hyperbola is untilted and correctly focussed * CALL CHKHYP(HYPFLT) IF (HYPFLT) CALL EXEC(10,ALARM) 100 IF (.NOT.HYPFLT) GO TO 110 PRINT *,'Correct and hit to continue' PRINT *,' or "OK" to override _' READ (LU,'(A2)') HYPANS IF (HYPANS.EQ.'OK' .OR. HYPANS.EQ.'ok') then HYPFLT=.FALSE. else CALL CHKHYP(HYPFLT) endif GO TO 100 * 110 CALL BITST !Choose operating freqs,set S-reg * * Sets bits to nightime values so signal that programs thinks is night * NOWDAY = .FALSE. * CALL RNALC(IRN) ! Allow scheduling ** inserted by CF 5/88 119 CONTINUE * * Obtain the UNIVERSAL TIMES of Sunrise and Sunset and convert * to decimal. * CALL SUNTM (ITIME(5), IHSET, MSET, IHRIS, MRIS, * RASUN, DECSUN, *900,k) SUNSET = FLOAT(IHSET) + (FLOAT(MSET)/60.) SUNRIS = FLOAT(IHRIS) + (FLOAT(MRIS)/60.) * WRITE (LU,1250) SUNSET, SUNRIS 1250 FORMAT(/3X," UT of sunset and sunrise in DECIMAL hrs : ", * 2F6.2) * * Subtract 9 mins from sunrise so that measurement ends before sunrise * SUNRIS = SUNRIS - 0.15 * * Convert to seconds. SUNRIS = SUNRIS * 3600. SUNSET = SUNSET * 3600. * * Decide whether checking BEAM PARAMETERS. * WRITE (LU,2100) 2100 FORMAT(/3X," Necessary to check BEAM PARAMETERS? Yes(T) _") * READ (LU,1080) CHK * IF ( .NOT. CHK ) GO TO 131 * * CHECK THE BEAM PARAMETERS FOR EACH FREQUENCY * -------------------------------------------- DO 130 I=1,NFRQ * * Bits 0,1,2, 3 set for skip 3.6,6.0,13.0, 18.0 cm. measurements * ISWIT = SWIN(0) ISWIT = ISWIT .AND. 000017B GO TO (133, 132, 134, 135) I * 132 ISWIT = ISWIT .AND. 1B IF ( ISWIT .EQ. 1B ) GO TO 130 GO TO 139 133 ISWIT = ISWIT .AND. 3B IF ( ISWIT .GE. 2B ) GO TO 130 GO TO 139 134 ISWIT = ISWIT .AND. 7B IF ( ISWIT .GE. 4B ) GO TO 130 GO TO 139 135 ISWIT = ISWIT .AND. 17B IF ( ISWIT .GE. 10B) GO TO 130 * 139 CALL PARAM (LU, WAVE, I, RAOFS, DEOFS, FNOFS, HPOFS, * BMSEP) * 130 CONTINUE * 131 CONTINUE * 300 CONTINUE WRITE (LU,3000) 3000 FORMAT(//3X," Name of source file ? _") READ (LU,3100) FILNAM 3100 FORMAT(3A2) * * Find the number of the starting source 320 WRITE (LU,3130) 3130 FORMAT(/3X," First source number ? _") READ (LU,*) NFIRST * PRINT '(/4X,"Source coordinates in form decimal degrees (T)," * " or hms,dms (F) ? _")' READ *, KDECML If (KDECML) then KOORD = 1 else KOORD = 2 endif * * Confirm that this is correct * WRITE (LU,3150) (FILNAM(J), J=1,3), KDTYPE(KOORD), NFIRST 3150 FORMAT(/3X," Using source file ",3A2,/ * 3X," with ",A8," coordinates. ",/ * 3X," Starting at source ",I4,// * 6X," OK (T or F) ? _") READ (LU,1080) AOK IF ( .NOT. AOK ) GO TO 300 * * OPEN SOURCE FILE. If not found negative error IERR is returned. * CALL OPEN (FDCB,IERR,FILNAM) IF (IERR .GT. 0) GO TO 350 WRITE (LU,3200) IERR 3200 FORMAT(" FILE NOT FOUND, FMP ERROR ",I6) GO TO 300 * * File opened successfully. Close again temporarily. 350 CALL CLOSE (FDCB,IERR) * NREC = 0 NSKIP = 0 NRECSKP = 0 NENDFL = 0 START = .TRUE. * * Derive name of results file, RESFIL. * IF ( ITIME(5) .GE. 100 ) GO TO 380 IF ( ITIME(5) .GE. 10 ) GO TO 370 * CALL CODE WRITE (IDUMY,3300) RESFIL(2), ITIME(5) 3300 FORMAT( A2, I1) GO TO 390 * 370 CALL CODE WRITE (IDUMY,3400) RESFIL(2), ITIME(5) 3400 FORMAT( A1, I2) GO TO 390 * 380 CALL CODE WRITE (IDUMY,3500) ITIME(5) 3500 FORMAT( I3) * 390 CALL CODE WRITE (RESFIL, 3600) RESFIL(1), (IDUMY(J), J=1,2) 3600 FORMAT(2A2,A1) * WRITE (NAMRFL, '(3A2,A2,A2)') (RESFIL(L),L=1,3),'::', ICR * * Open file, if it exists. 810 CALL OPEN (IDCB, IERR, RESFIL, IDCBS) * * Otherwise create file. IF (IERR .EQ. -006) GO TO 820 IF (IERR .GE. 0) GO TO 825 * * Close and write error. 815 CALL CLOSE (IDCB) WRITE (LU,8400) IERR 8400 FORMAT(/" FMGR ERROR ",I4," CHECK STATUS. OK (T)?_") READ (LU,1080) AOK IF ( .NOT. AOK ) GO TO 900 GO TO 810 * * Create file. * 820 CALL CREAT (IDCB, IERR, RESFIL, ISIZE, ITYPE, ISECU, ICR,IDCBS) IF (IERR .LT. 0) GO TO 815 * 825 CALL CLOSE (IDCB) WRITE (LU,8500) (RESFIL(L), L=1,3) 8500 FORMAT(/2X," Results are in disc file ",3A2) * * Signal new header by setting lines on page to end of page value * and signal that the page is not yet fed * NPRINT=50 PAGEFD=.FALSE. * * Read the parameters of 1 source. Close the file after selection * * START OF LOOP FOR EACH SOURCE. * 500 CONTINUE * Check if BIT 15 has been set * IF(ISSW(15) .LT. 0) GO TO 900 NREC = NREC + 1 * * Allow program to suspend if bit 13 set or BREAK * CALL SUSPD (IRN, NREC, PAGEFD) ! SCHDL suspend * * Bit 14 set for skip to next source. 512 IF (ISSW(14) .GE. 0) GO TO 515 * * Reset bit 14 ISWIT = SWIN(0) ISWIT = ISWIT .AND. 137777B CALL SWOUT(ISWIT) GO TO 500 * 515 CALL OPEN (FDCB,IERR,FILNAM) IF(IERR .GE. 0) GO TO 520 WRITE (LU,3200) IERR GO TO 300 * * Before processing source check for end of page and feed page & signal * 520 IF ((NPRINT.GE.50) .AND. (.NOT. PAGEFD)) then PRINT '(A1,"_")', CHAR(14B) ! Form Feed PAGEFD=.TRUE. endif * * If a pagefeed has occurred then print a header at top of page and reset * IF (PAGEFD) then PRINT '("No. Source Start UT HA Freq ", * " Flux +- Error ... etc.")' NPRINT=0 PAGEFD=.FALSE. endif * * Position pointer in file -then read line of ASCII data * CALL POSNT(FDCB,IERR,NREC,1) CALL READF(FDCB,IERR,SORSBF,40,LEN) * IF (IERR .GE. 0) GO TO 530 WRITE (LU,5110) IERR, NREC 5110 FORMAT (" FILE ERROR ",I6," AT LINE ",I6," PROGRAM ENDS ") GO TO 900 * 530 IF( START .AND. LEN .LE. 0) GO TO 532 * GO TO 535 532 WRITE (LU,5120) 5120 FORMAT (" SOURCE NUMBER NOT FOUND ") GO TO 320 * 535 IF( LEN .GT. 0) GO TO 540 * IF (NSKIP.EQ.0) then WRITE (LU,5130) 5130 FORMAT (/" END OF SOURCE FILE. RETURN TO No. 1_") NPRINT=NPRINT+1 endif NENDFL=NREC-1 NREC = 0 GO TO 500 * * Convert the ASCII data off the source file to BINARY * 540 If (KDECML) then CALL CODE READ (SORSBF,5205) NSORS, SORSNM, RA0, DEC0, * CALSRS, NO3P6 5205 FORMAT(I3, 5A2, 2F9.3, L2, L1) * else CALL CODE READ (SORSBF,5200) NSORS, SORSNM, RH, RM, RS, * DD, DM, DS, CALSRS, NO3P6 5200 FORMAT(I3, 5A2, F2.0, F3.0, F5.1, F4.0, 2F3.0, L2, L1) * endif * * Continue with next source if not starting IF ( .NOT. START ) GO TO 560 * * If starting, check if wanted source has been found IF ( NSORS .EQ. NFIRST) GO TO 560 * * Otherwise increment NREC and read next line of file NREC = NREC + 1 GO TO 520 * 560 START = .FALSE. * * Calculate source coordinates RA0,DEC0 (ie. 1950) in decimal degrees * IF (.NOT. KDECML) then RA0 = (( RH*60.0 + RM ) * 60.0 + RS)/240.0 IF ( DD .EQ. 0 ) GO TO 580 DM = SIGN(DM,DD) DS = SIGN(DS,DD) 580 DEC0 = DD + DM/60.0 + DS/3600.0 IF ((DD.EQ.0) .AND. ((SORSBF(13).AND.77400B).EQ.26400B)) * DEC0 = -DEC0 IF ( DEC0 .GT. 270.0) DEC0 = DEC0 - 360.0 endif * * Precess coords to current time * RAP = RA0 DECP = DEC0 CALL EXEC (9,DPRC2,IANG(1),IANG(2),IANG(3),IANG(4),IANG(5)) CALL RMPAR (IANG) * * Obtain SIDERIAL TIME. * STNOW = TIME(2) ISTH = STNOW / 3600.0 ISTM = (STNOW - FLOAT(ISTH) * 3600.0) / 60.0 ISTS = STNOW - FLOAT(ISTH) * 3600.0 - FLOAT(ISTM) * 60.0 * * Calculate source HA. to allow skips or waits as necessary. * RAHRS = RAP / 15. SIDHRS = STNOW / 3600. HA = SIDHRS - RAHRS IF ( HA .GT. 12. ) HA = HA - 24. IF ( HA .LT. -12.) HA = HA + 24. * * Print source file information if not in skip back mode * IF (NSKIP.EQ.0) then CALL EXEC (11,ITIME,IYEAR) PRINT '(/I3,5A2,1X,3I3,2X,F5.2,"_")', * NSORS, SORSNM, (ITIME(L), L =4,2,-1), HA NPRINT=NPRINT+1 endif * * Check offset of source from sun during daytime * UTNOW = TIME(1) IF (SUNRIS.LT.UTNOW .AND. UTNOW.LE.SUNSET) then CALL CLOSN (RAP, DECP, RASUN, DECSUN, NSKIP, CLSUN) IF (CLSUN) then * * Skip source and reset skip back mode if this is awaited source * IF (NREC.EQ.NRECSKP) NSKIP = 0 NREC = NREC+1 GO TO 520 endif endif * * Find western and eastern horison mask (as used in STEER) & compare * HAEAST = HALIM(-90.0,DECP)/15.0 HAWEST = HALIM(+90.0,DECP)/15.0 * * Observation must start 9 minutes before West limit * IF ((HA+0.15) .GT. HAWEST) then IF (NSKIP.EQ.0) WRITE (LU,5950) HAWEST 5950 FORMAT(' has set below ',F4.2,'. Source skipped_') * * Return to process next source in file * IF (NREC.EQ.NRECSKP) NSKIP = 0 NREC=NREC+1 GO TO 520 endif * * Print source details now if in skip back mode as source is valid * IF (NSKIP.NE.0) then CALL EXEC (11,ITIME,IYEAR) PRINT '(/I3,5A2,1X,3I3,2X,F5.2,"_")', * NSORS, SORSNM, (ITIME(L), L =4,2,-1), HA NPRINT=NPRINT+1 endif * * Check if risen far enough above eastern horizon * IF (HA .LT. HAEAST+0.15) then WRITE (LU,5951) HAEAST+0.15 5951 FORMAT(' yet to rise above ',F5.2,'. _') * * Check wait time in minutes until it rises * MWAIT = -(HA - HAEAST - 0.15) * 60.0 IF (MWAIT.GT.10.0) then * * Since wait time is long enough, skip back to measure while waiting * IF (NREC.NE.NRECSKP .OR. NSKIP.EQ.0) then * * First pass for source : simply wait suitable no of sorces * NSKPOLD = 0 NSKIP = INT(MWAIT/10.) OBSDONE = .FALSE. else * * Second pass at least : adjust NSKIP by previous time taken * NSKPOLD = NSKIP IF (SIDHRS.LT.OLDSID) OLDSID = OLDSID-24.0 NSKIP = INT((MWAIT-(SIDHRS-OLDSID)*60.)/10.)+NSKIP OBSDONE = ((SIDHRS-OLDSID).GT.0.05) ! i.e. more than 3 mins endif * * Save details for possible second pass * NRECSKP = NREC OLDSID = SIDHRS * * Allow skip back before end of file but only one pass * 585 IF (NENDFL.NE.0 .AND. NSKIP.GE.NENDFL) NSKIP = NENDFL-1 NREC = NREC + NENDFL - NSKIP IF (NREC.GT.NENDFL) NREC = NREC - NENDFL IF (NREC.LE.0) then NREC = NRECSKP 590 NREC = NREC + 1 CALL POSNT(FDCB,IERR,NREC,1) CALL READF(FDCB,IERR,SORSBF,40,LEN) IF (LEN.GT.0) GO TO 590 NENDFL = NREC - 1 NREC = NRECSKP GO TO 585 endif IF (OBSDONE .OR. NSKIP.GT.NSKPOLD) then * * Only skip back if NSKIP covers more sources than last pass * or if a source was actually observed on the last pass. * PRINT '("Skipping back",I3," source(s)_")',NSKIP GO TO 520 else * * Otherwise reset NREC to awaited source and simply wait * NREC = NRECSKP endif endif * * Wait till source rises but not if drive time will cover it * IF (MWAIT.GT.60) CALL EXEC(10,ALARM) WRITE (LU,*) 'Waiting ',MWAIT,' minutes_' IF (MWAIT.GT.1.0) CALL RNCLW(IRN, PAGEFD, MWAIT) * * Reprint source details with new time * RAHRS = RAP / 15. SIDHRS = TIME(2) / 3600. HA = SIDHRS - RAHRS CALL EXEC (11,ITIME,IYEAR) PRINT '(/I3,5A2,1X,3I3,2X,F5.2,"_")', * NSORS, SORSNM, (ITIME(L), L =4,2,-1), HA NPRINT=NPRINT+1 endif * * Close file now that a source has been found & reset skip back if it * is the awaited source * CALL CLOSE (FDCB,IERR) IF (NREC.EQ.NRECSKP) NSKIP = 0 * 600 CONTINUE * * Write housekeeping on results file. * HKEEP = .TRUE. CALL WINFO (LU, NFRQ, RESFIL, WVTB, WAVE, * NAMRFL, SFLUX, SERR, DVM, CPLACE, NL, *900,k) HKEEP = .FALSE. IF ( PROB ) GO TO 900 GO TO 698 * * Start point for repeat of source. * Reset bit 10 ie cancel source repeat. 690 ISWIT = SWIN(0) ISWIT = ISWIT .AND. 175777B CALL SWOUT(ISWIT) * * START OF LOOP FOR EACH FREQUENCY. * 698 NSETS = NSETS + 1 CALL OBSOK * * Check for sunrise or sunset * UTNOW = TIME(1) IF ((SUNRIS.LT.UTNOW) .AND. (UTNOW.LE.SUNSET) * .AND. (.NOT.NOWDAY)) then * * Sunrise so set 13 and 18 cm observations off * S13OFF=(ISSW(2).GE.0) S18OFF=(ISSW(3).GE.0) ISWIT=SWIN(0) ISWIT=ISWIT .OR. 000014B CALL SWOUT(ISWIT) NOWDAY = .TRUE. endif * IF ((UTNOW.LE.SUNRIS) .OR. (SUNSET.LT.UTNOW) * .AND. (NOWDAY)) then * * Sunset so reset 13 and 18 cm observations back on * ISWIT=SWIN(0) IF (S13OFF) ISWIT = ISWIT .AND. 177773B IF (S18OFF) ISWIT = ISWIT .AND. 177767B CALL SWOUT(ISWIT) NOWDAY = .FALSE. endif * * DO 700 I=1,NFRQ * * Skip 3.6 cm meas on designated sources * IF ( NO3P6 .AND. WAVE(I) .EQ. 3.6 ) GO TO 700 * * Bits 0, 1, 2, 3 set for skip 3.6, 6.0, 13.0, 18.0 cm. meas ISWIT = SWIN(0) ISWIT = ISWIT .AND. 000017B GO TO (702, 701, 703, 704) I * 701 ISWIT = ISWIT .AND. 1B IF ( ISWIT .EQ. 1B ) GO TO 700 GO TO 711 702 ISWIT = ISWIT .AND. 3B IF ( ISWIT .GE. 2B ) GO TO 700 GO TO 711 703 ISWIT = ISWIT .AND. 7B IF ( ISWIT .GE. 4B ) GO TO 700 GO TO 711 704 ISWIT = ISWIT .AND. 17B IF ( ISWIT .GE. 10B) GO TO 700 * * Calculate antenna coords for each track and then track source. * Correct for BEAM OFFSETS * 711 ONDEC= DECP + DEOFS(I) ONRA = RAP + RAOFS(I)/COS(ONDEC*0.017453293) SEPFAC = (BMSEP(I)/2)/COS(ONDEC*0.017453293) * GO TO 715 * * Start point for repeat of particular freq. * Reset bit 9 ie. cancel freq repeat. * 710 ISWIT = SWIN(0) ISWIT = ISWIT .AND. 176777B CALL SWOUT (ISWIT) * 715 CONTINUE * TRACKING AT FIRST NULL. * Calculate coordinates: * TRA = ONRA + SEPFAC TDEC= ONDEC + FNOFS(I) KPLACE = 2HFN * FIRE = .TRUE. WVTB = .TRUE. BADTRK = .FALSE. * CALL DOTRK (TRA, TDEC, NUMTRK, WVTB, WAVE, NPRINT, * LU, NFRQ, TUFLUX, RESFIL, NAMRFL, * SFLUX, SERR, DVM, CPLACE, NL) IF ( NEXT ) GO TO 700 IF ( PROB ) GO TO 900 * * TRACK ON SOURCE ie. at antenna beam peak. * TRA = ONRA + SEPFAC TDEC = ONDEC KPLACE = 2HON * CALL DOTRK (TRA, TDEC, NUMTRK, WVTB, WAVE, NPRINT, * LU, NFRQ, TUFLUX, RESFIL, NAMRFL, * SFLUX, SERR, DVM, CPLACE, NL) IF ( NEXT ) GO TO 700 IF ( PROB ) GO TO 900 * * At other FIRST NULL point * TRA = ONRA + SEPFAC TDEC= ONDEC - FNOFS(I) KPLACE = 2HFN * CALL DOTRK (TRA, TDEC, NUMTRK, WVTB, WAVE, NPRINT, * LU, NFRQ, TUFLUX, RESFIL, NAMRFL, * SFLUX, SERR, DVM, CPLACE, NL) IF ( NEXT ) GO TO 700 IF ( PROB ) GO TO 900 * * Write out nett fluxes * FNAV = (42./123*SFLUX(1)+81./123*SFLUX(3)) FNER = SQRT( (42./123*SERR(1))**2 + * (81./123*SERR(3))**2 ) ONFLUX = SFLUX(2)-FNAV ONER = SQRT((SERR(2)*SERR(2))+ * (FNER*FNER)) PRINT '(4X,F4.1,1X,F6.3,"+-",F5.3,"_")', * WAVE(I), ONFLUX, ONER * * Write fluxes etc from each position to file RESFIL * CALL WRTFL (NAMRFL, CPLACE, SFLUX, SERR, DVM, * NL, HKEEP, WVTB, RPTFQ, BADTRK, *900,k) * * Bit 9 set for repeat of current frequency. * RPTFQ = .FALSE. IF ( ISSW(9) .GE. 0) GO TO 700 RPTFQ = .TRUE. GO TO 710 * 700 CONTINUE * * Bit 10 set for repeat of current source. * IF ( ISSW(10) .LT. 0) GO TO 690 * * Allow SCHDL to interrupt here if it wants to * CALL RNCLW (IRN, PAGEFD, 0) ! SCHDL call * * Go back to run for next source. * GO TO 500 900 CONTINUE * * Park at Zenith with no pointing corrections and no wait * CALL TRACK (2, 0.0, 334.114, .FALSE., .FALSE.) * IF (KERR .EQ. 0) GO TO 910 * WRITE (LU,9960) 9960 FORMAT(//" Limit for 6 sig fig accuracy exceeded at:"/ * " Source no. Wave. Value. ") DO 905 KKK = 1,KERR * IF ( KKK .LE. 10 ) GO TO 904 WRITE (LU,9965) KERR 9965 FORMAT(" Limit exceeded >10 times ...", I3, * " times, in fact. ") GO TO 906 904 WRITE (LU,9970) ERSORS(KKK), ERWAV(KKK), * ERSQAV(KKK) 9970 FORMAT(6X, I4, 8X, F6.1, 5X, G12.6) 905 CONTINUE * 906 WRITE (LU,9975) 9975 FORMAT(" If Source no. is >1000, error occurred" * " in reading TUBE."/ * " Subtract 1000 to get source no.") * 910 WRITE (LU,9980) NUMTRK 9980 FORMAT(//" Number of tracks performed:", I4) WRITE (LU,9990) NSETS 9990 FORMAT(/" Total number of sets of readings obtained:",I4) * WRITE (LU,9999) 9999 FORMAT(///" *** END *** "///) 1080 FORMAT(L6) END * ********************************************************************* * * SOURCE TRACKING SUBROUTINE - Now uses DRIVE as son program. * TRCK and WAIT added as parameters. * ********************************************************************* * $ALIAS/POINT/,NOALLOCATE SUBROUTINE TRACK (INTYPE, INLONG, INLAT, INTRACK, INWAIT) * INTEGER INTYPE REAL INLONG, INLAT LOGICAL INTRACK, INWAIT * INTEGER*2 TYPE, IBUF(7), DRIVE(3) REAL*4 ALONG, ALAT LOGICAL*2 TRCK, WAIT * EQUIVALENCE (IBUF(1),TYPE), (IBUF(2),ALONG), * (IBUF(4),ALAT), (IBUF(6),TRCK), * (IBUF(7),WAIT) * DATA DRIVE /'DRIVE '/ * TYPE = INTYPE ALONG = INLONG ALAT = INLAT TRCK = INTRACK WAIT = INWAIT * * Call DRIVE with the parameters as sepcified in the call * CALL EXEC (9,DRIVE,0,0,0,0,0,IBUF,7) * RETURN END * ********************************************************************* * * SUBROUTINE TO TRACK SOURCE, AND STAY ON TRACK FOR REQUIRED TIME * Uses subroutines TRACK, FLUX, WINFO * ********************************************************************** * SUBROUTINE DOTRK (TRA, TDEC, NUMTRK, WVTB, WAVE, NPRINT, * LU, NFRQ, TUFLUX, RESFIL, NAMRFL, * SFLUX, SERR, DVM, CPLACE, NL) * CHARACTER CPLACE(11)*2, NAMRFL*10 * LOGICAL NEXT, PROB, HKEEP, FIRE, RPTFQ, WVTB, CALSRS, BADTRK * INTEGER TIMON(5), RESFIL(3), ITIME(5), SORSNM(5), * IDCB(272), ERSORS(10) * REAL WAVE(1), TUFLUX(1), ERWAV(10), ERSQAV(10), MEDTB, MEDVM, * SFLUX(11), SERR(11), DVM(11) * COMMON / CBOTH / SORSJY, ERROR, MEDTB, TBDEV, MEDVM, NEXT, FIRE, * HKEEP, PROB, SORSNM, KPLACE, IDCB, NSORS, * I, ITIME, IYEAR, RPTFQ, BADTRK, ERSORS, ERWAV, * KERR, ERSQAV, CALSRS, IDCBS, TUBNET * NUMTRK = NUMTRK + 1 * * Track position with pointing corrections and wait for STEER * CALL TRACK (4, TRA, TDEC, .TRUE., .TRUE.) * * Turn on DVM's, fire noise tube and compute source FLUX and * RMS ERROR. * CALL FLUX (LU, TUFLUX, WAVE, NPRINT) IF ( NEXT ) GO TO 911 * * Write source info onto disc file RESFIL. * CALL WINFO (LU, NFRQ, RESFIL, WVTB, WAVE, * NAMRFL, SFLUX, SERR, DVM, CPLACE, NL, *911,k) * 911 RETURN END * ********************************************************************* * * SUBROUTINE TO WRITE DATA TO RESULTS FILE * ********************************************************************* * SUBROUTINE WRTFL (NAMRFL, CPLACE, SFLUX, SERR, DVM, * NL, HKEEP, WVTB, RPTFQ, BADTRK, k,*) * CHARACTER NAMRFL*10, SEGNAM*5, CPLACE(11)*2, FCHAR*42 * LOGICAL HKEEP, WVTB, RPTFQ, BADTRK * REAL SFLUX(11), SERR(11), DVM(11) * * File operations * * Open file,if it exists * Assign 110 to label NSTMT=110 SEGNAM = 'WRTFL' 110 OPEN (50, file=NAMRFL, iostat=ierr, err=820, status='OLD') * * Find EOF Assign 120 to label NSTMT=120 120 DO WHILE (ierr .ne. -1) READ (50, '(A42)', iostat=ierr, err=820, end=150) * FCHAR end do Assign 150 to label NSTMT=150 150 BACKSPACE(50, iostat=ierr, err=820) * * Write info to file * Assign 160 to label NSTMT=160 DO 165 ILN = 1,NL * 160 WRITE (50, 1100, iostat=ierr, err=820) * HKEEP, WVTB, CPLACE(ILN), SFLUX(ILN), SERR(ILN), * RPTFQ, BADTRK, DVM(ILN) 165 CONTINUE * 1100 FORMAT (L1, L1, A2, G12.6, G12.6, 2L1, G12.6) * * Write EOF Assign 170 to label NSTMT=170 170 ENDFILE (50, iostat=ierr, err=820) * Assign 180 to label NSTMT=180 180 CLOSE (50, iostat=ierr, err=820) * GO TO 900 * * General error checking. * 820 Call ERMSG (ierr, NSTMT, 'WRTFL', *900, k) GO TO label * 900 RETURN k END * ********************************************************************* * BLOCK DATA * ********************************************************************* * LOGICAL HKEEP, PROB, NEXT, FIRE, RPTFQ, BADTRK, CALSRS * INTEGER SORSNM, ERSORS * REAL MEDTB, MEDVM * COMMON / CBOTH / SORSJY, ERROR, MEDTB, TBDEV, MEDVM, NEXT, FIRE, * HKEEP, PROB, SORSNM(5), KPLACE, * IDCB(272), NSORS, I, ITIME(5), * IYEAR, RPTFQ, BADTRK, ERSORS(10), ERWAV(10), * KERR, ERSQAV(10), CALSRS, IDCBS, TUBNET * END * ********************************************************************* * * FUNCTION TO OBTAIN UNIVERSAL- OR SIDERIAL TIME. * Returns UT if L = 1, ST if L = 2 (in SECONDS) * Time in decimal year for L = 3 (less 1900.) * ********************************************************************* * FUNCTION TIME(L) * INTEGER IT(5) EQUIVALENCE (IT(1),MS), (IT(2),IS), (IT(3),M), * (IT(4),IH), (IT(5),ID) DATA BASEOF / 84 806.882 /, LSTDAY / 0 /, * RATE / 0.002 737 909 3 / * * Calculate UT CALL EXEC (11, IT, IYR) TIME = FLOAT(IH*60 + M) * 60.0 + FLOAT(IS) + FLOAT(MS)/100. IF (L .LT. 2) GO TO 900 IF (L .EQ. 3) GO TO 300 * * Calculate ST. IF (ID .NE. LSTDAY) * OFFSET = FLOAT((IYR-1979)*365 + (IYR-1977)/4 + ID - 258) * * 236.55536 + BASEOF + 6644.4 TIME = TIME + TIME * RATE + OFFSET TIME = TIME - FLOAT(IFIX(TIME/86400.0)) * 86400.0 GO TO 900 * * Calculate time in decimal YEAR * 300 TIME = ((TIME/86400.) + FLOAT(ID))/365. + FLOAT(IYR-1900) 900 RETURN END * ********************************************************************* * * SUBROUTINE TO ARRANGE FLUXES IN ASCENDING ORDER AND * CALCULATE THE MEDIAN. * Uses REAL variables. * ********************************************************************* * SUBROUTINE MEDIN (LU, RDVM, ICOUNT, MEDVM, DIGVM) * REAL DIGVM(1), MEDVM * DO 110 J = 1,ICOUNT * * Rise thru' array until position of value is found. IF ( RDVM .LE. DIGVM(J) ) GO TO 130 * 110 CONTINUE * DIGVM(ICOUNT) = RDVM GO TO 900 * * Shift all subsequent values up the array. 130 DO 140 K = ICOUNT,J,-1 DIGVM(K+1) = DIGVM(K) 140 CONTINUE * DIGVM(J) = RDVM * 900 CONTINUE * MIDL = ICOUNT/2 MEDVM = DIGVM(MIDL) * * RETURN END * ********************************************************************* * * SUBROUTINE TO CHANGE VALUES OF BEAM PARAMETERS. * ********************************************************************* * SUBROUTINE PARAM (LU, WAVE, I, RAOFS, DEOFS, FNOFS, HPOFS, * BMSEP) * LOGICAL AOK * REAL WAVE(1), RAOFS(1), DEOFS(1), FNOFS(1), HPOFS(1), * BMSEP(1) * 201 CONTINUE WRITE (LU,2010) WAVE(I), RAOFS(I), DEOFS(I) 2010 FORMAT(//3X," HA and DEC beam offsets for ",F5.1,"cm."/ * 3X," system are: ",2F7.3," degrees "/ * /5X," OK (TRUE) or new values wanted (FALSE) ? _") READ (LU,1080) AOK IF ( AOK ) GO TO 202 * WRITE (LU,2020) WAVE(I) 2020 FORMAT(//3X," Enter new values for HA and DEC BEAM OFFSET "/ * 3X," for the ",F5.1," cm. system: _") READ (LU,*) RAOFS(I), DEOFS(I) GO TO 201 * * Check the values for the FIRST NULL points * 202 CONTINUE * WRITE (LU,2030) WAVE(I), FNOFS(I) 2030 FORMAT(/3X," FIRST NULL offset for ",F5.1," cm." * /3X," system is: ",F7.3," degrees. ",/ * /6X," OK (TRUE) or new value wanted (FALSE) ? _") * READ (LU,1080) AOK IF ( AOK ) GO TO 230 WRITE (LU,2040) WAVE(I) 2040 FORMAT(/3X," Enter new value for FIRST NULL" * " offset"/ * 3X," for the ",F5.1," cm. system:_") * READ (LU,*) FNOFS(I) * GO TO 202 * * Check the BEAM SEPARATION * 230 IF (BMSEP(I).EQ.0.) GO TO 900 231 WRITE (LU,2070) WAVE(I), BMSEP(I) 2070 FORMAT(/3X," BEAM SEPARATION of the ",F5.1," cm. " * /3X," system is: ",F7.3," degrees. "/ * /6X," OK (TRUE) or new value wanted (FALSE) ? _") * READ (LU,1080) AOK IF ( AOK ) GO TO 900 WRITE (LU,2075) WAVE(I) 2075 FORMAT(/3X," Enter new values for BEAM SEPARATION "/ * 3X," for the ",F5.1," cm. system : _") * READ (LU,*) BMSEP(I) GO TO 231 * 1080 FORMAT(L6) * 900 RETURN END * *********************************************************************** * * Subroutine to read values of sun rise,set-times and coords * from disc file * *********************************************************************** * SUBROUTINE SUNTM (NOWDAY, UHSET, UMSET, UHRISE, UMRISE, * RASUN, DECSUN, k,*) * CHARACTER NAMFIL*10 * INTEGER SHRISE, SMRISE, SHSET, SMSET, UHSET, UMSET, UHRISE, * UMRISE, RHSUN, RMSUN, DAY, YEAR, DATE * DATA NAMFIL /'SUNTIM::16'/ * * Open, read and close file * Assign 110 to label NSTMT = 110 110 OPEN (10, file=NAMFIL, iostat=ierr, err=820, status='OLD') * * Find today's times and coords * DO WHILE (NOWDAY .NE. DAY) Assign 120 to label NSTMT = 120 120 READ (10, 1200, iostat=ierr, err=820) DAY, YEAR, MONTH, * DATE, SHSET, SMSET, SHRISE, SMRISE, UHSET, * UMSET, UHRISE, UMRISE, RHSUN, RMSUN, DECSUN * END DO Assign 160 to label NSTMT = 160 160 CLOSE (10, iostat=ierr, err=820) * RASUN = (FLOAT(RHSUN) + FLOAT(RMSUN)/60.) * 15. !Decml deg * GO TO 900 * * Error handling * 820 Call ERMSG (ierr, NSTMT, 'SUNTM', *900, k) GO TO label * 1200 FORMAT (I3, I4, 12I2, F7.3) * 900 RETURN k END * * ************************************************************************ * * Subroutine to calculate source angular separation from sun * and to skip source if too close * *********************************************************************** * SUBROUTINE CLOSN (RAP, DECP, RASUN, DECSUN, NSKIP, CLSUN) * LOGICAL CLSUN * DATA SUNLIM / 25. / * RADIF = RAP - RASUN DECDIF = DECP - DECSUN IF (RADIF .GT. 180.) RADIF = RADIF - 360. IF (RADIF .LT. -180.) RADIF = RADIF + 360. IF (DECDIF .GT. 180.) DECDIF = DECDIF - 360. IF (DECDIF .LT. -180.) DECDIF = DECDIF + 360. CLSUN = (ABS(RADIF) .LT. SUNLIM) .AND. * (ABS(DECDIF) .LT. SUNLIM) IF (CLSUN .AND. NSKIP.EQ.0) * PRINT '(" too close to sun (RA and DEC ang. sep. resp.", * 2F6.2,")_")', RADIF, DECDIF RETURN END * ********************************************************************* * * SUBROUTINE TO WRITE SOURCE INFO ONTO DISC FILE. * File name RESFIL generated in main program. * ********************************************************************* * SUBROUTINE WINFO (LU, NFRQ, RESFIL, WVTB, WAVE, * NAMRFL, SFLUX, SERR, DVM, CPLACE, NL, k,*) * CHARACTER CPLACE(11)*2, NAMRFL*10 * LOGICAL HKEEP, PROB, RPTFQ, BADTRK, NEXT, FIRE, WVTB, CALSRS * INTEGER RESLT(21), RESFIL(3), IDCB(272), ITIME(5), SORSNM(5), * ERSORS(10) * REAL WAVE(1), ERWAV(10), ERSQAV(10), MEDTB, MEDVM, * SFLUX(11), SERR(11), DVM(11) * COMMON / CBOTH / SORSJY, ERROR, MEDTB, TBDEV, MEDVM, NEXT, FIRE, * HKEEP, PROB, SORSNM, KPLACE, IDCB, NSORS, * I, ITIME, IYEAR, RPTFQ, BADTRK, ERSORS, ERWAV, * KERR, ERSQAV, CALSRS, IDCBS, TUBNET * DATA IBLANK / 2H / * If (HKEEP .OR. WVTB) then * * Open file * Assign 110 to label NSTMT=110 110 OPEN (50, file=NAMRFL, iostat=ierr, err=820, status='OLD') * * Find EOF Assign 120 to label NSTMT=120 120 Do while (ierr .ne. -1) READ (50, '(A42)', iostat=ierr, err=820, end=150) * FCHAR end do * Assign 150 to label NSTMT=150 150 BACKSPACE(50, iostat=ierr, err=820) * Assign 160 to label NSTMT=160 160 If (HKEEP) then * * Get decimal time in years. * DECTM = TIME(3) SIDTIM = TIME(2)/3600. !Siderial time in decimal hrs * * Write housekeeping * WRITE (50, 1100, iostat=ierr, err=820) * HKEEP, NSORS, (SORSNM(L), L=1,5), * DECTM, NFRQ, CALSRS, * SIDTIM 1100 FORMAT(L1, I3, 5A2, F10.6, I2, L2, F12.6) * else if (WVTB) then * * Write wavelength and ave. tube DVM value. * WRITE (50, 1200, iostat=ierr, err=820) * HKEEP, WVTB, WAVE(I), MEDTB, TBDEV 1200 FORMAT(L1, L1, F6.1, 2G12.6) * NL = 0 WVTB = .FALSE. * endif * * Write EOF Assign 180 to label NSTMT=180 180 ENDFILE (50, iostat=ierr, err=820) * Assign 190 to label NSTMT=190 190 CLOSE (50, iostat=ierr, err=820) * endif * If (.NOT. HKEEP) then * * Assign track info to array for writing to file at end of freq. * NL = NL + 1 WRITE (CPLACE(NL), '(A2)') KPLACE SFLUX(NL) = SORSJY SERR(NL) = ERROR DVM(NL) = MEDVM * endif * GO TO 900 * * General error checking. * 820 Call ERMSG (ierr, NSTMT, 'WINFO', *900, k) GO TO label * 900 CONTINUE * RETURN k END * ********************************************************************* * * SUBROUTINE TO CONTROL DVM's AND NOISE TUBE, AND CALCULATE * AVERAGE FLUX READINGS OF SOURCE. * Calls subroutine MEDIN. * * Uses Fluke DVM 8840 * ******************************************************************** * $ALIAS/DOUT1/,NOALLOCATE $ALIAS/POINT/,NOALLOCATE * SUBROUTINE FLUX (LU, TUFLUX, WAVE, NPRINT) * LOGICAL NEXT, FTUBE, FIRE, HKEEP, PROB, RPTFQ, BADTRK, CALSRS * INTEGER IBUF(4), HASL, SORSNM(5), IDCB(272), * ITIME(5), ERSORS(10), * LOGCLS, CMDCLS, CMDRSN * REAL TUFLUX(1), JYDVM, WAVE(1), DIGVM(651), MEDTB, * MEDVAL, ERWAV(10), ERSQAV(10), PREVTB(4), TBNOM(4), * PREVER(4), MEDIAN, * HALIM, DECLIM, HAERR, DECERR, REALHA, RELDEC * DOUBLE PRECISION TOTDVM, SUMSQ, SQDVM, AVDVM, SQAV, AVDSQ, * DIFF, STDEV * COMMON / CBOTH / SORSJY, ERROR, MEDTB, TBDEV, MEDVAL, NEXT, FIRE, * HKEEP, PROB, SORSNM, KPLACE, IDCB, NSORS, * I, ITIME, IYEAR, RPTFQ, BADTRK, ERSORS, ERWAV, * KERR, ERSQAV, CALSRS, IDCBS, TUBNET * COMMON / POINT / LOGCLS, CMDCLS, CMDRSN, HALIM, DECLIM, * HAERR, DECERR, REALHA, RELDEC * COMMON /DOUT1/ ISERVO * DATA NSMPL / 650 /, NTSAM / 650 /, !Remember change DIGVM * TBNOM / -.0564, -.0123, .0202, .0520 / * FTUBE = .FALSE. NEXT = .FALSE. IFAIL = 0 NTFAIL = 0 * IF ( I .EQ. 1) IFQ = 2 IF ( I .EQ. 2) IFQ = 1 IF ( I .EQ. 3) IFQ = 3 IF ( I .EQ. 4) IFQ = 4 * * Select DVM inputs, DIRECT, same freq on both. * 100 ISEL = (IFQ * 2 - 1) * 11B CALL EXEC (2, 113B, ISEL, 1, 5, 5) CALL EXEC (12, 0, 2, 0, -1) ! Wait 1 second for settling * * Set up DVM. Default values, medium sampling rate * WRITE (35,'("*S1")') * NSAM = NSMPL IF ( KPLACE .EQ. 2HFN ) NSAM = NSMPL/2 * * Reset ordered array of DVM readings, DVM totals, etc. 110 DO 120 JJ = 1,NSMPL+1 DIGVM(JJ) = 0.0 120 CONTINUE TOTDVM = 0.0D0 SUMSQ = 0.0D0 * * Loop to read DVM and average NSAM samples. * DO 200 NN = 1,NSAM * READ (35,*) RDVM * ERRHA = HAERR If (ABS(ERRHA) .GE. .010) BADTRK = .TRUE. * * Keep running total of readings, arranging in order to calc median * CALL MEDIN (LU, RDVM, NN, MEDIAN, DIGVM) * TOTDVM = TOTDVM + DBLE(RDVM) SQDVM = DBLE(RDVM)*DBLE(RDVM) SUMSQ = SUMSQ + SQDVM * 200 CONTINUE * * Turn noise tube off If (FTUBE) then CALL EXEC (2, 113B, 0, 1, 3, 3) endif * * Calculate average and standard deviation. * COUNT = NSAM COUNT2 = NSAM/2 AVDVM = TOTDVM / COUNT SQAV = SUMSQ/COUNT AVDSQ = AVDVM * AVDVM * DIFF = SQAV - AVDSQ If (DIFF .LT. 0.0D0) DIFF = 0.0D0 STDEV = DSQRT( DIFF ) STDEV = STDEV/SQRT(COUNT2) * If (FTUBE) then TBDEV = SNGL(STDEV) MEDTB = MEDIAN else VALDEV = SNGL(STDEV) MEDVAL = MEDIAN endif * * Check max value calculated, for 6 sig fig accuracy If ( SQAV .GT. 8.388D07 ) then KERR = KERR+1 If ( KERR .LE. 10 ) then ERSORS(KERR) = NSORS If (FTUBE) ERSORS(KERR) = ERSORS(KERR)+1000 ERWAV(KERR) = WAVE(I) ERSQAV(KERR) = SNGL(SQAV) endif endif * * Check for DVM zero. If (STDEV .EQ. 0.0D0) then IF (IFAIL.EQ.0) then PRINT '(/,"_")' NPRINT = NPRINT+1 endif PRINT '(" DVM ZERO. Trying again._")' IFAIL = IFAIL + 1 * If (IFAIL .GT. 2) then PRINT '("Too many problems. Try next freq")' NPRINT = NPRINT+1 NEXT = .TRUE. GO TO 988 else If (FIRE) FTUBE = .FALSE. GO TO 100 endif endif * * If (FIRE) then * * Return to fire tube as necessary If ( .NOT. FTUBE ) then * FTUBE = .TRUE. NSAM = NTSAM * Fire tube and wait 3 sec for trace to settle IFREQ = IFQ+1 IF ( IFQ .EQ. 1 ) IFREQ = 1 ! 3.6cm tube CALL EXEC (2, 113B, IFREQ, 1, 3, 3) CALL EXEC (12, 0, 2, 0, -3) GO TO 110 else FTUBE = .FALSE. * * Check that noise tube fired. Nominal minimum set as 2*RMSnoise * change to 4 times MJG 1987 dec 21 TUBNET = MEDTB - MEDVAL !Net tube in DVM units * TLEVL = 4. * SNGL(STDEV) * SQRT(COUNT2) * If ( ABS(TUBNET) .LT. TLEVL ) then PRINT '(/"Noise diode fired ( TUBNET ",G12.4, * " < TLEVL ",G12.4," ) ? _")',TUBNET,TLEVL NPRINT = NPRINT+1 NTFAIL = NTFAIL + 1 * * If no. errors is >2, use nominal/previous tube * value, and continue. If (NTFAIL .GT. 2) then TUBNET = PREVTB(IFQ) TBDEV = PREVER(IFQ) If (TUBNET .EQ. 0.0) then TUBNET = TBNOM(IFQ) TBDEV = .07 * TUBNET/TUFLUX(I) endif PRINT '("Using nominal/previous ", * "value of ",G10.4,"+-",G10.4, * " DVM units")', TUBNET, TBDEV NPRINT = NPRINT+1 else PRINT '("Trying again _")' GO TO 100 endif endif PREVTB(IFQ) = TUBNET PREVER(IFQ) = TBDEV * * Correction factor of Jy/DVM unit JYDVM = TUFLUX(I)/ABS(TUBNET) endif endif * * Convert measured values to Jy ERDVM = SQRT( TBDEV*TBDEV + VALDEV*VALDEV) SORSJY = MEDVAL * JYDVM ERROR = ERDVM * JYDVM 988 FIRE = .FALSE. RETURN END * ********************************************************************** * * SUBROUTINE TO CHOOSE OPERATING FREQS AND SET S REG BITS * ********************************************************************** * SUBROUTINE BITST * PARAMETER (NWAVL=4) * CHARACTER CHAR*1 * LOGICAL AOK, DOFRQ(NWAVL) * INTEGER TIMSET(3), SWIN, ISETBT(NWAVL) * REAL WAVE(NWAVL), WAVUSE(NWAVL) * DATA WAVE / 6.0, 3.6, 13.0, 18.0 /, * ISETBT / 2B, 1B, 4B, 10B / * 138 DO 139 L = 1,NWAVL WAVUSE(L) = 0.0 DOFRQ(L) = .FALSE. 139 CONTINUE PRINT '(/3X,"Wavelengths available :",/ * 6X,4F7.1,"cm",/ * 4X,"Enter which are to be used (/ to End) : _")', * WAVE * READ *, (WAVUSE(L), L=1,NWAVL) * * Count the number of freqs used and check for incorrect input * DO 141 L=1,NWAVL IF ( WAVUSE(L) .EQ. 0.0 ) GO TO 142 * DO 140 LB=1,NWAVL IF (WAVUSE(L) .EQ. WAVE(LB)) then DOFRQ(LB) = .TRUE. GO TO 141 endif 140 CONTINUE PRINT '(/3X, F4.1, " is an incorrect wavelength.", * " Try again."/)', WAVUSE(L) GO TO 138 141 CONTINUE * 142 KOUNT = L-1 PRINT '(/3X,"Observing at",I3," wavelengths")',KOUNT * If (KOUNT .LE. 0) then PRINT '("INPUT ERROR")' GO TO 138 endif * 143 PRINT '(6X,"Wavelengths used :")' * DO 144 L = 1,KOUNT PRINT '(20X,F7.1)', WAVUSE(L) 144 CONTINUE * PRINT '(5X,"OK (T or F) ? _")' * READ *, AOK * If ( .NOT. AOK ) GO TO 138 * * Set S reg bits according to freqs to be used. * 146 ISWIT = SWIN(0) * DO 147 LB = 1,NWAVL If (.NOT. DOFRQ(LB)) ISWIT = ISWIT .OR. ISETBT(LB) 147 CONTINUE * * Set reg * 150 CALL SWOUT (ISWIT) * RETURN END * ********************************************************************** * Check hyperbola focus and tilt matches standards for this system * * returns : * * FAULT logical*2 false if focus & tilt within tolerance * * otherwise set true * ********************************************************************** * SUBROUTINE CHKHYP (FAULT) * REAL*4 STDFOCUS, STDTILT, SUBFOCUS, SUBTILT LOGICAL FAULT CHARACTER HYPMES*11, FOCMES*11, TILTMES*9, NOTMES*4 * DATA TOLERANCE / 0.5 /, STDFOCUS / 7.5 /, STDTILT / -0.54 /, & HYPMES /'HYPERBOLA '/, & FOCMES /'FOCUSED TO '/, & TILTMES /'TILTED TO'/, & NOTMES /' NOT'/ * FAULT = .FALSE. CALL RHYP (SUBFOCUS, SUBTILT) IF (ABS(SUBFOCUS-STDFOCUS) .GT. TOLERANCE) THEN FAULT = .TRUE. PRINT *,HYPMES//FOCMES,SUBFOCUS,NOTMES,STDFOCUS END IF IF (ABS(SUBTILT-STDTILT) .GT. TOLERANCE) THEN FAULT = .TRUE. PRINT *,HYPMES//TILTMES,SUBTILT,NOTMES,STDTILT END IF * RETURN END * ******************************************************************* * * * Scheduling subroutines for use with SCHDL * * * include &SSBQS::16 ! * * * * Antenna limit function as in STEER MJG 1987 dec 9 * * * include &HALIM::16 ! * * * * Computer fail observing alarm * * * include &OBSOK::16 ! * * * * Hyperbola tilt and focus readout through DVM * * * include &RHYP::16 ! * * * *******************************************************************