# Template v2d file for DiFX correlation of rk18cj # Ground + space # Both C,K bands in same VEX setup vex = rk18cj.vex.obs singleScan = True singleSetup = True tweakIntTime = True # antennas = GT, IR, GB # stronges fringes GT-GB K-band, GT-IR C-band according to ASC test dataset info # antennas = GB, GT, YS # both bands # antennas = GT,GB,MC,TR # K-band antennas = GB, GT ######################################################## # For Radioastron and launching calcif3 without # a background calc server running DelayPolyInterval = 60 delayServerType = CALC_9_1_RA_Server delayServerHandlerType = Pipe ######################################################## ANTENNA GB { filelist=filelist.gbt phaseCalInt = 0 } ANTENNA YS { filelist=filelist.ys format=VDIF/8032 phaseCalInt=0 } ANTENNA NT { filelist=filelist.nt format=VDIF/8032 phaseCalInt=0 } ANTENNA IR { filelist=filelist.ir format=VDIF/8032 phaseCalInt=0 } ANTENNA MC { filelist=filelist.mc format=VDIF/8032 phaseCalInt=0 } ANTENNA TR { filelist=filelist.tr phaseCalInt=0 } ANTENNA GT { filelist=filelist.ra ephemObject=RADIOASTRON ephemType=RUSSCF ephemFile=/Exps2/rk18cj/v1/RA171019_0400_v02.scf.2 # copy from M. Lisakov ephemDeltaT=1.0 ## from RDF->Mark5B conversion: SC_time_type=GroundReception ## Closed-loop #--- scan 1, K-band prior is -3.3 usec #SC_GS_clock_break=start@2017y292d09h00m00s/sync@2017y292d09h00m00s/clockfudge@14.92 SC_GS_clock_break=start@2017y292d09h00m00s/sync@2017y292d09h00m00s/clockfudge@-2.3 #-- scan 2, K-band # SC_GS_clock_break=start@2017y292d09h15m00s/sync@2017y292d09h15m00s/clockfudge@14.9 SC_GS_clock_break=start@2017y292d09h15m00s/sync@2017y292d09h15m00s/clockfudge@-2.28 ## Rubidium # -- scan 3, K-band prior is -3.30469 usec SC_GS_clock_break=start@2017y292d09h30m00s/sync@2017y292d09h30m00s/clockfudge@-2.340 # -2.50 us attempt, dly pos near zero, resid 0.160 # -- scan 4, K-band prior is -3.25000 usec SC_GS_clock_break=start@2017y292d09h45m00s/sync@2017y292d09h45m00s/clockfudge@-2.3125 ## from wiki; https://deki.mpifr-bonn.mpg.de/01VLBI_Group/Projects/Space_VLBI/RadioAstron/DiFX-RA_correlation ## GBT tracking station SC_rec_delay=0.0 GS_Name=Gt GS_difxName=Gt GS_calcName=Gt GS_X= 882879.84013 GS_Y= -4924482.30801 GS_Z= 3944130.68519 GS_dX= -0.01514 GS_dY= -0.00047 GS_dZ= -0.00159 GS_pos_epoch= 51544.5 GS_axisType=AZEL GS_axisOffset0=0.0000 GS_axisOffset1=0 GS_axisOffset2=0 GS_clockEpoch=2017y292d07h56m00s GS_clock0=0.0 GS_clock1=0.0 SC_pos_offsetEpoch=2017y292d07h56m00s ## Rubidium mode # "For the Rubidium mode correlation, a constant Rate offset should be introduced: d_rate = -3 * 10e-10 sec/sec # (sign may be oposite, check which works for us. )" # # deltaClockRate = [, , ...] # deltaClockRate = 0,0,+3e-10,+3e-10 # job 3 K resid -17.2 us rate -0.000615 Hz # deltaClockRate = 0,0,-3e-10,-3e-10 # job 3 K resid -17.2 us rate -0.000629 Hz # deltaClockRate = 0,0,-3e-4,-3e-4 # job 3 K no fringe # deltaClockRate = 0,0,+3e-4,+3e-4 # job 3 K fringe but very high rate 6.656 Hz (6.656/22236e6 = 3e-10) } SETUP defaultSetup { doPolar = True # Fringe rotation: 0=post-F, 1=linear (default), 2=quadratic # 90sec scan 2 post-F : SNR 5.85 # 90sec scan 2 linear : SNR 9.48 # 90sec scan 2 quadratic : SNR 9.48 ie no improvement fringeRotOrder = 2 # freqId: printDiFXInput.py rk18cj_2.input # fq 0,1 = 22236.000000 L,R # fq 2,3 = 4836.000000 L,R freqId = 0,1 # Fourfit: #tInt = 0.512 #nChan = 2048 #tInt = 0.064 #tInt = 0.032 #nChan = 1024 # ASC reference tInt = 0.128 # docs say 0.125 but looks like 0.128 in ASC FITS #nChan = 64 # nChan = 32768 fftSpecRes = 0.0078125 # corresponding FFT time is 128 usec outputSpecRes = 0.25 # ASC: 64ch #outputSpecRes = 0.125 # 128 ch #outputSpecRes = 0.0625 # 256 ch #outputSpecRes = 0.03125 #outputSpecRes = 0.015625 # For radioastron # guardNS = 2048 guardNS = 16384 maxNSBetweenACAvg = 2000000 } RULE defaultRule { setup = defaultSetup # mode = ra1cm2 # mode = ra6cm2 mode = ra6cm1cm } # Sources (pointing centers) with recorded data but no offset pointing centers: SOURCE FAKERA { } SOURCE 0716+714 { } # EOPs from /cluster/difx/usno_finals.erp last updated at 2019-01-07 10:32:05 (+0000) # oper@frontend: v1> getEOP.py --local 2017y292d08h52m00s # Reading EOP data from /cluster/difx/usno_finals.erp # Reading leap second data from /cluster/difx/ut1ls.dat EOP 58043 { xPole=0.203830 yPole=0.276930 tai_utc=37 ut1_utc=0.299930 } EOP 58044 { xPole=0.202610 yPole=0.275470 tai_utc=37 ut1_utc=0.298567 } ##EOP 58045 { xPole=0.201300 yPole=0.273810 tai_utc=37 ut1_utc=0.297179 } # DiFX EOP 58045 { xPole=0.20123 yPole=0.27372 tai_utc=37 ut1_utc=0.2971859 } # ASC reference EOP 58046 { xPole=0.200010 yPole=0.272210 tai_utc=37 ut1_utc=0.295805 } EOP 58047 { xPole=0.198720 yPole=0.270790 tai_utc=37 ut1_utc=0.294534 }