J.Schraml: Sample header for New data March 10,1984 (J.Schmidt, Data Recording Formats, February 1984) Updated Version May 31 ,1984 Updated Version Apr 16 ,1986 Version # 2 (PREHEAD 121) (changed position of col* etc) Nov 27 ,1986 version 3: correct the values of pointers to DEC 90 Dec 90: jls,jbs Version 4: HHT version January 2000 Field Word Type Description Dimension I 1- 32 32C Preheader according to -- 32 word definition II 33 1I Number of sub areas 34 1I Pointer to sub area I (Preheader) 35 1I Length of subarea I 36 1I Pointer to sub area II (Pointer & lengths) 37 1I Length of subarea II 38 1I Pointer to sub area III (System parameters) 39 1I Length of subarea III 40 1I Pointer to sub area IV (Observing program) 41 1I Length of subarea IV 42 1I Pointer to sub area V (Data processing) 43 1I Length of subarea V 44 1I Pointer to sub area VI (Front end) 45 1I Length of subarea VI 46 1I Pointer to sub area VII (Back end) 47 1I Length of subarea VII 48 1I Pointer to sub area VIII (Miscellaneous) 49 1I Length of subarea VIII 50 1I Pointer to sub area IX (Format area) 51 1I Length of subarea IX 52 1I Pointer to sub area X (Control word) 53 1I Length of sub area X 54 33I Pointer area for merged raw data format 87- 89 3X --unused-- III 90 1I Number of sub areas 91 1I Length of sub area 92- 96 5C Name of the site 97 1D Longitude Radian 99 1D Lattitude Radian 101 1F Altitude Meters 102 1F Zone time Hours 103 1F ET-UTC Seconds 104- 122 19F K1-K10, MJD0, Seasonal variations ** for Time correct.(USNO Series 7) See there 123 1I Clock correction Millisec 124- 127 4F Focus motor PA and scales 128- 129 2I Focus motor mid-range and date code 130- 131 2I (unused) 132 1I Zero Elevation (NULE) Deciarcsec 133 1I Zero Azimuth (NULA) Deciarcsec 134 1I Collimation (COL*) Deciarcsec 135- 175 41F Pointing constants (see app.1) See there 176- 177 2I Receiver offset in use, number of reciver offsets 178- 179 2C Receiver #1 Name 180- 183 4F Receiver #1 offsets 184- 185 2C Receiver #2 Name 186- 189 4F Receiver #2 offsets 190- 191 2C Receiver #3 Name 192- 195 4F Receiver #3 offsets 196- 197 2C Receiver #4 Name 198- 201 4F Receiver #4 offsets 202- 203 2C Receiver #5 Name 204- 207 4F Receiver #5 offsets 208- 209 2C Receiver #6 Name 210- 213 4F Receiver #6 offsets 214- 215 2C Receiver #7 Name 216- 219 4F Receiver #7 offsets 220- 221 2C Receiver #8 Name 222- 225 4F Receiver #8 offsets 226- 227 2C Receiver #9 Name 228- 231 4F Receiver #9 offsets 232- 235 5F Running avgs of the 4 inclinometers & temperature 236- 256 21X --unused-- IV 257 1I Number of logical subpointers of IV *** (=relative location of scan number) 258 1I Length of scan ID and time field 259 1I Length of Basis system field (SBAS...) 260 1I Length of Position field (SLAM...) 261 1I Length of drive parameters (DLAM etc) 262 1I Length of wobble parameters, hot & cold subscans 263 1I Scan Number 264 1I Subscan number (inc.repetition) 265- 274 10C Name 275 1I Year 276 1I Month 277 1I Day 278- 279 1D UT of Start Radian 280- 281 1D Julian date of Start 282 1I Basis system (0-21) 283 1F Equinox of Basis system 284 1F L0 Radian 285 1F B0 Radian 286 1F K0 Radian 287 1I Descriptive system Flag (No=0.,equator def *** =1.0,Polar definition > 1.0) 288 1F Equinox of Observation 289 1I Observer Topology override (0=no) 290 1I Beam angle milliarcs 291 1I Beamflag (=1: function of elevation) o 292 1D T0 for interpolation Revs o 294 13D Coefficients for economical Radian,Km *** polynomials (5 in Alfa, 5 in Delta,3 in Vhel) o 320 1D Start time for the satelite table o 322 21F A0,A1,B0,F0,B1,F1,B2,F2,C0,P0 for *** the satellite parameters, all (x,y) 292 320 343 1I Number of data per coordinate 293 321 344 4F S,O,V,* LAM Radian 297 325 348 4F S,O,V,* BET Radian 301 329 352 4F S,O,V,* AZM Radian 305 333 356 4F S,O,V,* ELV Radian 309 337 360 4F S,O,V,* POS Radian 313 341 364 4F S,O,V,* FCX Microns 317 345 368 4F S,O,V,* FCZ Microns 321 349 372 4F S,O,V,* FCY (not implemented) Microns 325 353 376 1F Source Velocity Km/sec or 1 326 354 377 1I Option Velocity (0= VHEL, *** 1=VLSR, 2=ZRED) 327 355 378 1I Scan direction (1:Lam etc) 328 356 379 1I Which coordinate in DAP *** (1:Lam/Bet,3:Azm,Elv,5:Pos,6:FCX etc) 329 357 380 1I Scan mode (0:Scan, 1: On/off, 2: AK *** Scan, 3: AK-on-off Add 64: Reference) 330 358 381 1I Integration Time Millisec 331 359 382 1F Scan distance (DLAM...) Radian 332 360 383 1I SINT milliarc 333 361 384 1I SKEW milliarc 334 362 385 5I SRP1... SRP5 339 367 390 5I OPTION (RP1:0 ;1=*,2=ACC,3=*ACC) *** (RP2:0 ;1=*) *** (RP3:0 ;1=*;2=STEP;3=*STEP) *** (RP4:0 ) *** (RP5:0 ) 344 372 395 1I STEP (1 For Scans: velocity not 0) 345 373 396 1I STEP (0 if no rp2*,# of steps perpendicular else) Observation on the reference has 5 more (otherwise unspecified) 346 374 397 1I coordinate of reference (1:lam..;-1:lam absolute) 347 375 398 1I Ref. Pos Longitude or Scanning coord) (milliarcsec) 348 376 399 1I (Option flag for Value above 0:no,1:set) 349 377 400 1I Reference Pos Latitude or omitted) (milliarcsec) 350 378 401 1I (Option flag for Value above 0:no,1:set) 351 379 402 24I Wobbler parameters [see WOBBLE_SAVE(24) ] 375 403 426 2I Hot & Cold subscan numbers (0 if none) up to 432 nnX --unused-- V 433 1I Number of subfield 434 1I Length of subfield 435- 436 2C Data processing ID 437 1I Number of DAP additions 438 1C Operators code 439 1C Observers code 440 1I Number of characters in Project Id 441- 442 2C Project-ID 443 1F Tcal 444 1D Time at CAMAC clock=0 (DMICROREF) 446 1F Pressure corrected to sea level (inches) 447 1F (Unused) 448 1I Average of Track errors(1=rms,2=abs *** 3=regular,4=Maximum of,5=Minimum of) 449 1F Weather Station wind speed (mph) 450 1F Weather Station wind direction (degrees) 451 1F Rel. Humidity derived from Tau(225 GHz) 452 1I Refr code: 0=use rel. humd. from Tau, 1=from Weather 453 1F Manually entered atmospheric pressure hPa 454 1F Manually entered outside Temperature Deg C 455 1F Manually entered relative Humidity Percent 456 1I Use weather station =0; Use manual = 1 457 1I Use inclinometer =0; Use input = 1 (not implemented) 458 1F Atmospheric pressure (Weather station) hPa 459 1F Outside Temperature (Weather station) Deg C 460 1F Relative Humidity (Weather station) Percent 461 1F Tau(225 GHz) 462 1I DAPS coordinate code (2000,1950,gal,mean,app,azel) 463- 466 4F LPOINT velocity windows (WLOW,WHIG,VLOW,VHIG) 467 1I Code for pointing model receiver offsets (FE#) 468 1I (Unused) 469 1I VELC code 470 1I Observing procedure name character count 471- 473 3C Observing procedure name 474- 500 30X ---unused---- VI 501 1I Subfields (=number of possible Frontends+1) 502 1I Length of subfield frontend 1 503 1I Length of subfield frontend 2 504 1I Length of subfield frontend 3 Example: 22 GHz Receiver 505- 506 2C Frontend Id 507 1I Number of DAP additions 508 1I Number of channels 509- 510 1D Center frequency 511- 512 1D Offset to Center frequency 513- 514 1D Relative lower frequency 515- 516 1D Offset to lower frequency 517- 518 1D Relative higher frequency 519- 520 1D Offset to higher frequency 521 1I Option to Center frequency 522 1I Option to Offset center frequency 523 1I Option to lower frequency 524 1I Option to Offset lower frequency 525 1I Option to higher frequency 526 1I Option to Offset higher frequency 527 ... similar for the other frontends VII 651 1I Subfields (Number of possible Backends+1) 652 1I Length of area backend 1 653 1I Length of area backend 2 654 1I Length of area backend 3 655 1I Length of area backend 4 656 1I Length of area backend 5 657 1I Length of area backend 6 658 1I Length of area backend 7 659- 660 2C Backend Id 661 1I Number of DAP additions 662 1I Length of RX data (Channels,Phases,Ints) 663 1I Length of Rx+Rxdap data 664 1I Number of Channels 665 1I Number of phases 666 1I Number of basic integrations 667 1I Number of blocked integrations 668 1I Number of associated Frontends 669- 673 4C Frontend numbers Other backend specific parameters *** and similar for the other backends (see TEL$DATABASE:.SMT) VIII 1081 1I Number of subfields 1082 1I Length of subfield Parameters used for the refractive index calculation: 1083 1F Atmospheric pressure hPa 1084 1F Outside temperature C 1085 1F Relative humidity % 1086 1F Refraction at 45 deg. elev. arcsec's 1087-1094 8X --unused-- Somehow like: IX 1095-1245 123C, ... Format 1246-1278 --unused-- 1279 2M00000001 fixed bit pattern 2A2A2A2A 1280 2M00000001 checksum at end Checksum Example for RX + DX Continuum Backend 1- 30 30I 15 * (2 Channels * 1 Phase) 31 1I Backend error status 32- 46 15I Phase times for 15 * (1 Phase) Narrow Band Filter Spectrometer 1- 256 256I 1 * (256 Channels * 1 Phase) 257 1I frontend status (error, switches) 258 1I --free-- 259- 260 1D Frequency of the center channel on sky GHz 261- 262 1D higher offset frequency GHz 263- 264 1D lower offset frequency GHz 265 1I Backend error status 266 1I Phase time for 1 * (1 Phase) millisec 267 1I micro time for 1 * (1 Phase) millisec Example for DAP 1 1I Counter for data points in subscan 1 2 1I LAST Millisec 3 1I Scanning coordinate (LAM(t)) Deciarcsec or Micron 4 1I BET(t) both depend (Head 358 ) Deciarcsec *) 5 1I Alfa(2000) Deciarcsec 6 1I Delta(2000) Deciarcsec 7 1I Parallactic angle Deciarcsec 8 1I Encoder Azimut Deciarcsec 9 1I Average Tracking AZ (Head 528) Milliarcsec 10 1I Inclinometer 1 20/sec 11 1I Encoder Elevation Deciarcsec 12 1I Average Tracking El (Head 528) Milliarcsec 13 1I Inclinometer 2 20/sec 14 1I Indicated Focus X (tilt-dir) Micron 15 1I Indicated Focus Y (turn-dir) Micron 16 1I Indicated Focus Z (axial-dir) Micron 17 1I Indicated PhiX (around tilt) .0001 Degree 18 1I Indicated PhiY (around turn) .0001 Degree 19 1I Indicated PhiZ (around axial) .0001 Degree 20 1I Ind. Feed angle (Zero=1000 un) steps units(3') *) if scanning in any focus coord, Position angle or Rot (k0p) DAP(3) is the scanning coordinate (for rot in arcmin) and DAP(4) contains the total rotation angle in deciarcsecs The parallactic angle is always the angle app HA,dec > Azm,elv For spectrometers only: 21 1F velocity (earth's dayly motion) km/sec 22 1F heliocentric velocity km/sec 23 1F velocity local standard of rest km/sec 03 23 58.1 " = -00 27 32.10 s = LONGITUDE OF THE OBSERVATORY 37 04 05.6 " = 50 31 30 " =latitude 2870 = 366.0 = ALTITUDE in m,(that are the constants for Ef -01 00 00.0 s = -1H = zone time 57.184 = ET-UTC DERIVED FROM ET=TAI+32.184;TAI=UTC+25 0.0513 = K1: constant term for x 0.0878 = K2: cos(a) term -0.0338 = K3: sin(a) term 0.1675 = K4: cos(c) term -0.0718 = K5: sin(c) term 0.3038 = K6: constant term for y -0.0274 = K7: cos(a) term -0.0728 = K8: sin(a) term -0.0718 = K9: cos(c) term -0.1675 = K10:sin(c) term 48171 = Reference JULDAT OF ANGLE A 48171 = Reference JULDAT OF ANGLE C -0.2390 = K11: constant term for UT1-UTC -0.00192 = K12: time dependent term 48171 = MJD0: Reference date 0.022 = FACTOR OF SIN 2PT -0.012 = of cos 2pt -0.006 = of sin 4pt 0.007 = of cos 4pt The date of the bulletin is 31 of OCT 1990 vol.III No. 41 Example of a parameter file for a satellite: 2446533.5 ! APRIL 13, IO 3.5516 ! RADIANS/DAY -0.0847 ! A0 (for x; y is the other) -0.0262 -0.00838 ! A1 -0.00376 +92.3824 ! B0 +42.3669 +2.165367 ! F0 +2.216214 +0.35898 ! B1 +0.17399 +1.0196 ! F1 +1.3685 +0.001319 ! B2 +0.0 +2.4960 !F2 +0.0 +0.2124 ! C0 +0.0977 +1.3359 ! P0 +1.3879 DATA PS(8) (IncN, IncW, NulA, Perp: Optical 5 Jan; EFlx Zflx:10-15 Dec) 299.6 ! P1 IN " = NulA: Encoder zero point error for azimuth 0.0 ! P2 IN " = Col*: Collimation error in azimuth -5.1 ! P3 IN " = Perp: Angle between elevation and azimuth axes - 90 9.5 ! P4 IN " = IncW: Amount azimuth axis is inclined to the West 7.6 ! P5 IN " = IncN: Amount azimuth axis is inclined to the North 0.0 ! P6 IN " (No obvious physical meaning) 0.0 ! P7 IN " = NulE: Encoder zero point error for elevation -11.3 ! P8 IN " = EFlx: Flexure from comp. of gravity in elevation dir DATA F'S (7) Oct 5-7, 1996 1.3 mm bolometer measurements 1010 ! IN MICRON: COS TERM FOR ELEVATION FOCUS DIRECTION 800 ! IN MICRON: ZERO TERM FOR ELEVATION FOCUS DIRECTION 0 ! IN MICRON: COS TERM FOR AXIAL FOCUS DIRECTION 450 ! IN MICRON: SIN TERM FOR AXIAL FOCUS DIRECTION -1770 ! IN MICRON: ZERO TERM FOR AXIAL FOCUS DIRECTION 0.0 ! IN " (27') COS TERM OF TILT AROUND Y 0.0 ! IN " DEG: ZERO POINT FOR TILT AROUND Y MISCELLANEOUS 3500000 ! FOCAL LENGTH IN MICRON 0.97 ! BEAM DEVIATION (0.78 recommend by Baars, 7/96, but .97 measured) 0 ! SECFOC = 1/18*.36 (THAT IS THE CONVERSION .1D TO SECS) 2.3 ! IN " = ZFlx: Flexure from gravity along line of sight ("BERND_HARALD") 0. ! IN ": EPSILON OF ELLIPTICITY OF POLARIZATION 0. ! IN DEG: DIRECTION OF THE ELLIPTICITY 0.0 ! IN 3' UNITS: ZERO-POLARISATION DIRECTION .00 ! CONVERSION FACTOR READOUT_POL TO DEGREES: 20*3' 0.0 ! IN " = OHor: Horizontal offset of receiver at Naysmyth focus 0.0 ! IN " = OVer: Vertical offset of receiver at Naysmyth focus Formerly Brosche & Inclinometer; now eccentricity, fork, et al 1.0 ! CenW; azimuth encoder eccentricity: COS(2 Az) 0.9 ! CenN; azimuth encoder eccentricity: SIN(2 Az) -1.5 ! W2LR; fork wobble term for azimuth: COS(2 Az) 1.0 ! N2LR; fork wobble term for azimuth: SIN(2 Az) 0.0 ! unused (Raw Data: REFL_FACT = OHor/OVer mirror image factor) 0.0 ! unused (Raw Data: Pointing model correction in azimuth) 0.0 ! unused (Raw Data: Pointing model correction in elevation) 0.0001 ! unused (changed from 0.0 to 0.0001 because FHAREN) 6.0 ! IN " (PLAUSIBILITY TEST OF INDICATED - TRUE) 10 ! TIMES OF OCCURANCE IN A ROW BEFORE ERROR PRINTOUT SPECIAL VALUES 1.3 ! W2FB; fork wobble term for elevation: -SIN(2 Az) 2.2 ! N2FB; fork wobble term for elevation: COS(2 Az) 0.0 ! SFCZ temperature coefficient (microns/K) .0025 ! THIRD_REFRACT (-) the coefficient of cotg(ELV)**3 .0 ! CORRECTION SFCY, old -4000. .0 ! CORRECTION SPHX IN TENTH OF DEGREE !! 0.0 ! P1_TEMP(YOKE) 0.0 ! P7_TEMP(YOKE) 0.0 ! P4_TEMP(YOKE) 0.0 ! P5_TEMP(YOKE) Rx Constants: R=n & remark line, parameter line, ... 1st 9 written in hdr (Parameter line: 8-character receiver name, Taz, Tel, OHor, OVer, comment) R=5L SIS230 offsets (13-17 Nov 99 rel SIS345, SIS490, and B130C4; SIS345 Taz Tel) SIS230 -65.8 -41.7 -7.2 7.4 R=6L 345 Nasmyth offsets (4-6 Jan 00) SIS345 -65.8 -41.7 -22.4 -6.5 R=5L SIS490 offsets (+4.2 +8.0 rel SIS230 Nov 99) SIS490 -65.8 -41.7 -3.0 15.4 R=4R Offsets for 1.3 mm color of 4-color bolometer (4 Jan 00) B130C4 -49.0 -65.5 -1.4 4.6 R=4R Offsets for 0.87 mm color of 4-color bolometer (+0.4 -2.2 rel 1.3mm 5-6 Mar 97, H flipped rel sis345 6-7 Jan 1999) B087C4 -49.0 -65.5 -1.0 2.4 R=4R Offsets for 0.45 mm color of 4-color bolometer (-3.1 1.3 rel 1.3mm 5-6 Mar 97, H flipped rel sis345 6-7 Jan 1999) B045C4 -49.0 -65.5 -4.5 5.9 R=4R Offsets for 0.35 mm color of 4-color bolometer (-3.1 2.3 rel 1.3mm 5-6 Mar 97, H flipped rel sis345 6-7 Jan 1999) B035C4 -49.0 -65.5 -4.5 6.9 R=5R CfA Hot Electron Bolometer (21-22.5 Nov 99) HEBOL -49.0 -65.5 -4.5 1.0 R=-1R Optical Pointing dummy entry (must be 0's) OPTICAL 0 0 0 0 R=6R Offsets for FIASCO bolometer array FIASCO 0 0 0 0 Standard pointing model: 1.3 mm sngl clr bolo on left B130C1L 0 0 0 0 Offsets for 0.9 mm single color bolometer on left B087C1L 0 0 0 0 R=4R Standard pointing model: 1.3 mm single color bolometer on right B130C1R 0 0 0 0 Offsets for 0.9 mm single color bolometer on right B087C1R 0 0 0 0 R=4R MPIfR 810 GHz SIS (SIS345 19 Feb 98 offsets) SIS810FS 0 0 0 0 R=5R CfA 660 GHz SIS SIS660 0 0 0 0 R=-1R Holography receiver HOLOG 0 0 0 0