Session Notes for R1 (Rapid Turnaround Monday) session: r1957 Prepared by C. Thomas, NVI, Inc./GSFC Refer to http://ivscc.gsfc.nasa.gov/program/descrip2020.html#r1 for the session purpose. =========================================================== ----- Parameter listing -------------------------------------- Experiment: R1957 Description IVS-R1 Scheduler: NASA Correlator: BONN Start: 2020-209-17:00:00 End: 2020-210-17:00:00 Current yyyyddd: 2020209 (2020.57) ( 19058 MJD, MON. 27JUL.) Greenwich sidereal time: 13:23:20 (17:00:00 UT) Sun's RA and DEC: 8h 29.9m 18d 59.2 =========================================================== Important Station Information Ny Alesund will participate in this session with a warm receiver. The SEFDs for Ny Alesund were modified. =========================================================== There are no observations for Wettzell from 18:15 U.T. to 19:45 U.T. Wettzell will participate in the intensive session during this period. =========================================================== First observations Source Start DURATIONS name yyddd-hhmmss Bd Ht Ma Ny Kv Wz Yg Zc 3C418 20209-170000| 52 68 72 82 82 20| 1758+388 20209-170203| 105 184 174 184 123| =========================================================== Last observations Source Start DURATIONS name yyddd-hhmmss Bd Ht Ma Ny Kv Wz Yg Zc 1657-261 20210-165605| 108 122 230 230 103| 1803+784 20210-165623| 20 123 123 | 1424-418 20210-165916| 39 39 | 1639-062 20210-165930| 25 25 25| =========================================================== SKED Summary from file ./r1957.skd for experiment R1957 (all scans with at least one subnet station) Average number of obs. per baseline per source(normalized by up-time) = 10.3 Min = 0.0 Max = 55.4 (Baseline Bd-Zc on 0454-234) RMS = 11.8 Total time: 1440 minutes ( 24.0 hours). Key: Bd=BADARY Ht=HART15M Ma=MATERA Ny=NYALES20 Kv=SEJONG Wz=WETTZELL Yg=YARRA12M Zc=ZELENCHK Bd Ht Ma Ny Kv Wz Yg Zc Avg % obs. time: 32 58 53 57 58 58 56 31 50 % cal. time: 5 5 5 4 4 5 4 5 5 % slew time: 55 25 35 19 17 12 13 56 30 % idle time: 6 11 6 18 20 23 27 7 15 total # scans: 461 431 443 344 341 472 333 459 410 # scans/hour : 19 18 18 14 14 20 14 19 17 Avg scan (sec): 61 116 104 143 147 106 145 59 109 # data tracks: 16 16 16 16 16 16 16 16 # Mk5 tracks: 16 16 16 16 16 16 16 16 Total TB(M5): 0.90 1.60 1.48 1.58 1.60 1.60 1.54 0.87 1.40 # OF OBSERVATIONS BY BASELINE | Bd Ht Ma Ny Kv Wz Yg Zc Total -------------------------------------------------- Bd| 123 233 236 231 288 67 313 1491 Ht| 214 81 83 187 226 179 1093 Ma| 223 132 366 67 317 1552 Ny| 150 246 30 207 1173 Kv| 141 134 148 1019 Wz| 60 351 1639 Yg| 86 670 Zc| 1601 Number of 2-station scans: 426 Number of 3-station scans: 192 Number of 4-station scans: 125 Number of 5-station scans: 92 Number of 6-station scans: 95 Number of 7-station scans: 34 Number of 8-station scans: 11 Total number of scans: 975 Total number of obs: 5119 Total integrated obs-time: 412556 Average obs-time: 80.6 Histogram of observation durations Dur: 20 40 60 80 100 120 140 160 180 200 220 240 260 280 300 320 340 360 380 400 #Obs: | 1716| 719| 658| 605| 480| 205| 189| 156| 125| 61| 38| 38| 29| 31| 15| 16| 9| 11| 18| Average X-band SNRs by baseline | Bd Ht Ma Ny Kv Wz Yg Zc AVG ------------------------------------------------- Bd| 67 70 58 56 94 45 127 81 Ht| 56 44 37 80 30 81 58 Ma| 49 40 93 34 89 70 Ny| 37 70 35 61 55 Kv| 60 29 50 46 Wz| 51 118 89 Yg| 47 36 Zc| 93 Average S-band SNRs by baseline | Bd Ht Ma Ny Kv Wz Yg Zc AVG ------------------------------------------------- Bd| 35 27 25 23 34 22 46 32 Ht| 27 27 22 37 24 39 31 Ma| 23 18 36 16 34 29 Ny| 19 31 17 27 25 Kv| 25 18 21 21 Wz| 23 43 35 Yg| 22 21 Zc| 36 =========================================================== Recording mode Name Code GEOSX SX Recording mode for: BADARY HART15M MATERA NYALES20 SEJONG WETTZELL YARRA12M ZELENCHK Mode Tot.Rate #Chan Chan.BW Tot.BW #BBC #bits Tracks*(fan) Tot.tracks Barrel Mk341:1 256 Mbps 16 8 Mhz 128 Mhz 14 1 16*(1) 16 NONE X-band spanned bw= 720.0 MHz rms spanned bw= 277.7 MHz S-band spanned bw= 140.0 MHz rms spanned bw= 50.9 MHz Effective number of 1-bit channels recorded per sub-pass X S Total 10.00 6.00 16.00 =========================================================== Monitoring Sources Source Min Max Actual #Num #Scans 1255-177 1.00 1.50 0.14 7 3 2205+166 1.00 1.50 0.06 3 3 1036-529 1.00 1.50 0.00 0 0 1417+273 1.00 1.50 0.37 19 4 0534-340 1.00 1.50 0.00 0 0 1737-081 1.00 1.50 0.88 45 9 2353-686 1.00 1.50 0.53 27 27 0342+147 1.00 1.50 0.64 33 10 0802-010 1.00 1.50 0.31 16 2 1221+809 1.00 1.50 0.96 49 15 Total 3.89 199 73 =========================================================== Minor Options Astro Abs 3.00 BegScan Rel 1.00 EndScan Rel 1.00 NumObs Rel 1.00 StatWt Abs 2.00 =========================================================== Major Options Subnet BdHtMaNyKvWzYgZc SkyCov Yes AllBlGood Yes MaxAngle 180.00 MinAngle 15.00 MinBetween 20 MinSunDist 4.00 MaxSlewTime 300 TimeWindow 4.00 MinSubNetSize 2 NumSubNet 1 Best 60 FillIn Yes FillMinSub 3 FillMinTime 120 FillBest 80 Add_ps 30.0 SNRWts Yes SplitTwins No =========================================================== SNR Targets Minimum SNR by baseline for multi-baseline scans X-band (margin 0) S-band (margin 0) X-band (ast_margin 0) S-band (ast_margin 0) Bd Ht Ma Ny Kv Wz Yg Bd Ht Ma Ny Kv Wz Yg Ht 20 Ht 15 Ma 20 20 Ma 15 15 Ny 20 20 20 Ny 15 15 15 Kv 20 20 20 20 Kv 15 15 15 15 Wz 20 20 20 20 20 Wz 15 15 15 15 15 Yg 20 20 20 20 20 20 Yg 15 15 15 15 15 15 Zc 20 20 20 20 20 20 20 Zc 15 15 15 15 15 15 15