Session Notes for R1 (Rapid Turnaround Monday) session: r1976 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: R1976 Description IVS-R1 Scheduler: NASA Correlator: BONN Start: 2020-342-17:00:00 End: 2020-343-17:00:00 Current yyyyddd: 2020342 (2020.94) ( 19191 MJD, MON. 7DEC.) Greenwich sidereal time: 22:07:42 (17:00:00 UT) Sun's RA and DEC: 16h 59.4m -22d 42.4 =========================================================== Important Station Information Ny Alesund-South was tagged along to this schedule file. =========================================================== 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 Ht Ns On Kv Wz Yg 0642+449 20342-170000| 242 64 242 86 87| 2351-154 20342-170220| 323 384 162 384| =========================================================== Last observations Source Start DURATIONS name yyddd-hhmmss Ht Ns On Kv Wz Yg 2351-154 20343-165214| 377 384 162 384| 2229+695 20343-165557| 133 133 | 3C446 20343-165923| 32 32 32 32 | =========================================================== SKED Summary from file ./r1976.skd for experiment R1976 (all scans with at least one subnet station) Average number of obs. per baseline per source(normalized by up-time) = 13.7 Min = 0.0 Max = 57.8 (Baseline Ns-Yg on 3C418 ) RMS = 16.4 Total time: 1440 minutes ( 24.0 hours). Key: Ht=HART15M Ns=NYALE13S On=ONSALA60 Kv=SEJONG Wz=WETTZELL Yg=YARRA12M Ht Ns On Kv Wz Yg Avg % obs. time: 62 57 65 74 64 68 65 % cal. time: 4 3 4 3 5 4 4 % slew time: 22 2 23 15 12 12 15 % idle time: 11 37 6 6 19 15 16 total # scans: 385 244 380 293 396 311 334 # scans/hour : 16 10 16 12 17 13 14 Avg scan (sec): 138 201 148 220 140 189 172 # data tracks: 16 16 16 16 16 16 # Mk5 tracks: 16 16 16 16 16 16 Total TB(M5): 1.71 1.57 1.80 2.06 1.77 1.88 1.80 # OF OBSERVATIONS BY BASELINE | Ht Ns On Kv Wz Yg Total ---------------------------------------- Ht| 83 184 75 207 211 760 Ns| 235 192 218 54 782 On| 193 352 63 1027 Kv| 183 143 786 Wz| 70 1030 Yg| 541 Number of 2-station scans: 287 Number of 3-station scans: 146 Number of 4-station scans: 158 Number of 5-station scans: 49 Number of 6-station scans: 20 Total number of scans: 660 Total number of obs: 2463 Total integrated obs-time: 391090 Average obs-time: 158.8 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: | 327| 253| 279| 170| 168| 126| 114| 139| 95| 73| 82| 94| 106| 58| 71| 33| 85| 40| 150| Average X-band SNRs by baseline | Ht Ns On Kv Wz Yg AVG --------------------------------------- Ht| 64 40 39 69 32 48 Ns| 88 59 147 57 92 On| 41 95 34 69 Kv| 64 29 48 Wz| 50 92 Yg| 36 Average S-band SNRs by baseline | Ht Ns On Kv Wz Yg AVG --------------------------------------- Ht| 31 24 20 38 23 28 Ns| 34 22 49 23 34 On| 17 36 17 29 Kv| 23 16 20 Wz| 24 36 Yg| 21 =========================================================== Recording mode Name Code GEOSX SX Recording mode for: HART15M ONSALA60 SEJONG WETTZELL YARRA12M 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 Recording mode for: NYALE13S Mode Tot.Rate #Chan Chan.BW Tot.BW #BBC #bits Tracks*(fan) Tot.tracks Barrel MK341:2 256 Mbps 16 8 Mhz 128 Mhz 14 1 16*(2) 32 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 2351-154 1.00 1.50 1.26 31 9 2142+110 1.00 1.50 0.00 0 0 1435-218 1.00 1.50 0.73 18 8 2204-540 1.00 1.50 0.69 17 17 1420-679 1.00 1.50 0.37 9 9 0549-575 1.00 1.50 0.28 7 7 0506+101 1.00 1.50 0.20 5 5 1150+497 1.00 1.50 1.66 41 10 1949-052 1.00 1.50 0.49 12 6 0926-039 1.00 1.50 0.41 10 4 Total 6.09 150 75 =========================================================== 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 HtNsOnKvWzYg 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 El_noise 0.0 SNRWts Yes SplitTwins No =========================================================== Weighted Station 4 SEJONG 1.00 6 YARRA12M 1.00 =========================================================== 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) Ht Ns On Kv Wz Ht Ns On Kv Wz Ns 20 Ns 15 On 20 20 On 15 15 Kv 20 20 20 Kv 15 15 15 Wz 20 20 20 20 Wz 15 15 15 15 Yg 20 20 20 20 20 Yg 15 15 15 15 15