Session Notes for R1 (Rapid Turnaround Monday) session: r11221 Prepared by C. Thomas, NVI, Inc./GSFC Refer to http://ivscc.gsfc.nasa.gov/program/descrip2022.html#r1 for the session purpose. =========================================================== ----- Parameter listing -------------------------------------- Experiment: R11221 Description IVS-R1 Scheduler: NASA Correlator: BONN Start: 2025-230-17:00:00 End: 2025-231-17:00:00 Current yyyyddd: 2025230 (2025.63) ( 20906 MJD, MON. 18AUG.) Greenwich sidereal time: 14:49:14 (17:00:00 UT) Sun's RA and DEC: 9h 53.0m 12d 51.0 =========================================================== Important Station Information The SEFDs for Medicina were increased to 3300/3000 for X/S Band because the station will be observing this session with a warm receiver. Ny Alesund South is down due to encoder problems. Ny Alesund North was tagged along to this schedule file. =========================================================== First observations Source Start DURATIONS name yyddd-hhmmss Ft Ht Hb Is Ke Mc Ns On Ww Yg Nn 1251-713 25230-170000| 333 87 333 | 3C418 25230-170000| 20 135 135 20 135 121 75| 0613+570 25230-170056| 109 109 | 1921-293 25230-170301| 20 20 20 | =========================================================== Last observations Source Start DURATIONS name yyddd-hhmmss Ft Ht Hb Is Ke Mc Ns On Ww Yg Nn 1034-293 25231-165645| 161 161 | 0454-234 25231-165714| 88 88 88 88 | 0059+581 25231-165723| 35 35 26 35 20| 1342+662 25231-165836| 47 47 | =========================================================== SKED Summary from file ./r11221.skd for experiment R11221 (all scans with at least one subnet station) Average number of obs. per baseline per source(normalized by up-time) = 8.6 Min = 0.0 Max = 69.7 (Baseline Ht-Ww on 0458-020) RMS = 12.7 Total time: 1440 minutes ( 24.0 hours). Key: Ft=FORTLEZA Ht=HART15M Hb=HOBART12 Is=ISHIOKA Ke=KATH12M Mc=MEDICINA Ns=NYALE13S On=ONSALA60 Ww=WARK12M Yg=YARRA12M Nn=NYALE13N Ft Ht Hb Is Ke Mc Ns On Ww Yg Nn Avg % obs. time: 39 53 72 71 71 50 67 58 56 71 28 58 % cal. time: 3 5 5 6 5 4 5 5 3 5 3 5 % slew time: 39 26 16 12 16 39 8 26 10 17 5 20 % idle time: 18 15 6 10 7 6 20 10 29 6 62 18 total # scans: 295 427 442 504 436 382 412 408 297 441 296 394 # scans/hour : 12 18 18 21 18 16 17 17 12 18 12 16 Avg scan (sec): 113 108 140 122 142 112 140 124 164 140 82 125 # data tracks: 32 32 32 32 32 32 32 32 32 32 32 # Mk5 tracks: 32 32 32 32 32 32 32 32 32 32 32 Total TB(M5): 2.1 2.9 63.4 62.9 63.2 2.7 59.1 3.2 3.1 63.2 1.5 29.8 # OF OBSERVATIONS BY BASELINE | Ft Ht Hb Is Ke Mc Ns On Ww Yg Nn Total ----------------------------------------------------------------- Ft| 177 11 28 3 121 66 118 62 8 66 660 Ht| 107 100 96 143 74 139 106 106 64 1112 Hb| 226 409 1 28 1 174 413 0 1370 Is| 238 148 280 161 109 233 162 1685 Ke| 12 42 13 156 418 12 1399 Mc| 234 359 0 9 248 1275 Ns| 272 7 37 267 1307 On| 2 9 276 1350 Ww| 161 7 784 Yg| 8 1402 Nn| 1110 Number of 2-station scans: 375 Number of 3-station scans: 215 Number of 4-station scans: 280 Number of 5-station scans: 238 Number of 6-station scans: 86 Number of 7-station scans: 17 Number of 8-station scans: 0 Number of 9-station scans: 0 Number of 10-station scans: 0 Number of 11-station scans: 0 Total number of scans: 1211 Total number of obs: 6727 Total integrated obs-time: 816208 Average obs-time: 121.3 Histogram of observation durations Dur: 15 30 45 60 75 90 105 120 135 150 165 180 195 210 225 240 255 270 285 300 510 #Obs: | 704| 435| 596| 525| 579| 497| 414| 464| 456| 458| 232| 236| 198| 159| 102| 126| 98| 108| 213| 127| Average X-band SNRs by baseline | Ft Ht Hb Is Ke Mc Ns On Ww Yg Nn AVG ---------------------------------------------------------------- Ft| 37 35 26 32 45 28 34 29 30 22 34 Ht| 53 46 50 72 39 52 39 49 33 48 Hb| 101 104 72 53 50 74 98 - 92 Is| 117 47 78 36 53 95 26 73 Ke| 74 67 56 60 96 38 93 Mc| 52 69 - 66 38 55 Ns| 44 31 60 31 50 On| 35 51 32 47 Ww| 54 24 55 Yg| 34 86 Nn| 32 Average S-band SNRs by baseline | Ft Ht Hb Is Ke Mc Ns On Ww Yg Nn AVG ---------------------------------------------------------------- Ft| 27 32 19 32 23 18 19 23 36 18 22 Ht| 41 31 41 35 22 27 38 48 25 34 Hb| 61 71 42 44 31 43 80 - 65 Is| 83 29 63 23 31 77 23 52 Ke| 43 58 35 41 84 33 70 Mc| 28 34 - 44 29 31 Ns| 24 32 59 22 35 On| 34 35 24 27 Ww| 39 21 37 Yg| 31 72 Nn| 24 =========================================================== Recording mode Name Code GEOSX-R1 SX Recording mode for: FORTLEZA HART15M HOBART12 ISHIOKA KATH12M MEDICINA NYALE13S NYALE13N ONSALA60 WARK12M YARRA12M Mode Tot.Rate #Chan Chan.BW Tot.BW #BBC #bits Tracks*(fan) Tot.tracks Mk341:1 512 Mbps 16 8 Mhz 128 Mhz 14 2 32*(1) 32 X-band spanned bw= 720.0 MHz rms spanned bw= 280.4 MHz S-band spanned bw= 144.0 MHz rms spanned bw= 56.8 MHz Effective number of 1-bit channels recorded per sub-pass X S Total 19.13 11.48 30.61 =========================================================== Monitoring Sources Source Min Max Actual #Num #Scans 1251-713 1.00 1.50 1.19 80 25 2356+385 1.00 1.50 0.22 15 15 3C273B 1.00 1.50 0.21 14 14 0138-097 1.00 1.50 0.37 25 8 1921-293 1.00 1.50 1.26 85 22 0743-006 1.00 1.50 0.79 53 13 1519-273 1.00 1.50 1.20 81 20 0552+398 1.00 1.50 1.58 106 13 1738+499 1.00 1.50 1.84 124 19 0454-463 1.00 1.50 0.73 49 22 Total 9.39 632 171 =========================================================== Calibrator Source Information A calibrator source was scheduled every hour during this session with a duration of 300 seconds. =========================================================== 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 FtHtHbIsKeMcNsOnWwYgNn 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 50 FillIn Yes FillMinSub 3 FillMinTime 120 FillBest 80 Add_ps 30.0 El_noise 0.0 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) Ft Ht Hb Is Ke Mc Ns On Ww Yg Ft Ht Hb Is Ke Mc Ns On Ww Yg Ht 20 Ht 15 Hb 35 35 Hb 30 30 Is 20 20 35 Is 15 15 30 Ke 30 30 30 30 Ke 30 30 30 30 Mc 20 20 35 20 30 Mc 15 15 30 15 30 Ns 20 20 35 20 30 20 Ns 15 15 30 15 30 15 On 20 20 35 20 30 20 20 On 15 15 30 15 30 15 15 Ww 20 20 35 20 30 20 20 20 Ww 15 15 30 15 30 15 15 15 Yg 30 30 30 30 30 30 30 30 30 Yg 30 30 30 30 30 30 30 30 30 Nn 20 20 35 20 30 20 20 20 20 30 Nn 15 15 30 15 30 15 15 15 15 30