JADE-0712(JD0712)
Correlation report
Tsukuba VLBI Correlator
[Geographical Survey Institute, Japan]
Observed: 13 Dec., to 14 Dec., 2007
doy347/02:00 - 348/02:00
Correlated: 19 Dec., 2007 to 16 Jan., 2008
DB Exported: done
Station Notes:
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TSUKUB32(T-Ts): OK
Recorded on K5(VSSP32).
AIRA (A-Ai): Missed 2 scans (348/01:50-01:58) due to
FS was done in Kill by mistake.
Low pcal amplitude in S5 causing D code in scan
347/05:02, 05:09, 05:34 and 06:14.
Manual pcal in fringe fitting.
Recorded on K5.
CHICHI10(C-Cc): Low pcal amplitude in S1,2 causing D code in scan
347/10:26.
Manual pcal in fringe fitting.
Recorded on K5.
VERAMZSW(M-Vm): Pcal phase jumps in X1-X8,S1-S8ch and
pcal amplitude was 0% in X1,X6,X8 and S6ch from 348/01:14 to 01:58.
due to the setting of the video converter changes.
-7usec of clock offset discrepancy between group B(X5-X8)
and another groups A, C, D(X1-X4,S1-S8).
Baselines of Ts-Vm, Ai-Vm, Cc-Vm and Vs-Vm were fringe-fitted
by setting relative clock offfset(this is an option of K5
correlation package which controls clock offset discrepancy handling).
Low pcal amplitude in S5-8ch causing D codes in ~30 �� of all scans.
No cable calibration from no delay calibrator at VERAMZSW.
Slow slew to lock source at 348/16:30.
Recorded on K5.
VERAISGK(S-Vs): Missed 7 scans (348/01:17-01:58).
Recorded on K5.
No cable calibration from no delay calibrator at VERAISGK.
PF=6.58
Station Clocks
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Clocks: GSI
Station fmout-gps Used rate Comments
[usec] [usec] [sec/sec]
Ts 0.306 0.306 0.137E-12 Reference
Ai 0.150 -1.027 0.058E-12
Cc 9.531 8.501 0.624E-12
Vm -0.200 3.891 -0.471E-13
Vs -11.800 -17.377 -2.066E-12
Date: 2007/12/13
- comment:
correlation package
apri_calc (NICT, Ver.2007-09-26) for calculating a prior delay&rate.
cor (NICT, Ver.2007-11-13) for correlation.
komb (NICT, Ver.2007-10-31) for bandwidth synthesis.
Statistics
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PROCESS SUMMARY BY BASELINE/FREQUENCY
Base 0 1 2 3 4 5 6 7 8 9 D G N - Tot
TA X 0 0 0 0 0 0 0 0 1 218 0 0 0 5 224
TA S 0 0 0 0 0 0 3 9 115 92 0 0 0 5 224
TC X 0 0 0 0 0 0 0 0 1 223 0 0 1 0 225
TC S 0 0 0 0 0 0 3 16 96 109 0 0 1 0 225
TM X 0 0 0 0 0 0 0 2 9 152 0 0 77 0 240
TM S 0 0 0 0 0 0 0 5 60 98 0 0 77 0 240
TS X 0 0 0 0 0 0 0 0 9 195 0 1 10 0 215
TS S 0 0 0 0 0 0 0 1 99 105 0 0 10 0 215
AC X 0 0 0 0 0 0 0 0 0 200 0 0 16 5 221
AC S 0 0 0 0 0 0 1 9 77 113 0 0 16 5 221
AM X 0 0 0 0 0 0 0 0 1 82 0 0 128 5 216
AM S 0 0 0 0 0 0 0 1 5 77 0 0 128 5 216
AS X 0 0 0 0 0 0 0 0 6 195 0 0 8 5 214
AS S 0 0 0 0 0 0 0 1 46 154 0 0 8 5 214
CM X 0 0 0 0 0 0 0 0 2 72 0 0 142 0 216
CM S 0 0 0 0 0 0 0 0 2 72 0 0 142 0 216
CS X 0 0 0 0 0 0 0 0 5 178 0 0 25 0 208
CS S 0 0 0 0 0 0 0 0 45 138 0 0 25 0 208
SM X 0 0 0 0 0 0 0 1 5 65 0 0 135 0 206
SM S 0 0 0 0 0 0 0 0 1 70 0 0 135 0 206
Column Totals, numbers then percentages
0 0 0 0 0 0 7 45 585 2608 0 1 1084 40 4370
% .0 .0 .0 .0 .0 .0 .2 --> --> 74.1 .0 .0 24.8 .9100.0
QC = 0 : Fringes not detected.
= 1-9 : Fringes detected. The higher number, the better quality.
= D : No data in one or more frequency channels.
= G : Fringe amp in a freq ch is <.5 times coherent amp only if snr>20.
= N : No valid correlator data.
= - : Not scanned
Base Line: TA TC TM TS AC AM AS CM CS SM
Total Obs: 224 225 240 215 221 216 214 216 208 206
Error : 5 1 77 11 22 133 13 142 25 135
% : 2.2 .4 32.1 5.1 10.0 61.6 6.1 65.7 12.0 65.5
(ERROR: Q-code of either band is less than 4 or letter code, or not scanned)
SNR histogram
Distribution of X-band SNRs, for each baseline
SNR: 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 >>
TA: 0 0 8 9 34 25 34 12 9 4 6 8 8 12 12 6 6 26
TC: 0 5 7 27 34 29 24 14 8 7 11 9 14 7 8 5 5 10
TM: 0 35 31 27 17 7 7 6 8 1 5 1 3 1 1 0 3 10
TS: 0 0 11 8 41 29 17 9 9 5 5 8 15 11 6 6 4 21
AC: 0 43 49 66 28 13 1 0 0 0 0 0 0 0 0 0 0 0
AM: 0 32 22 13 9 2 4 0 1 0 0 0 0 0 0 0 0 0
AS: 0 17 53 66 31 17 15 2 0 0 0 0 0 0 0 0 0 0
CM: 0 30 22 10 7 3 2 0 0 0 0 0 0 0 0 0 0 0
CS: 0 40 63 43 22 10 5 0 0 0 0 0 0 0 0 0 0 0
SM: 0 24 22 11 5 3 2 3 0 1 0 0 0 0 0 0 0 0
Total 0 226 288 280 228 138 111 46 35 18 27 26 40 31 27 17 18 67
Total number of obs: 1623 Average SNR: 28.2
Distribution of S-band SNRs, for each baseline
SNR: 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 >>
TA: 0 0 5 13 50 21 20 13 25 9 16 20 5 0 7 6 1 8
TC: 0 1 7 39 36 21 22 24 23 23 5 0 6 5 3 0 0 9
TM: 0 6 28 24 28 34 14 6 6 4 4 2 1 0 1 1 2 2
TS: 0 0 14 45 34 18 16 23 15 19 5 4 4 5 1 0 0 2
AC: 0 5 57 75 35 17 7 1 2 1 0 0 0 0 0 0 0 0
AM: 0 15 46 16 4 0 2 0 0 0 0 0 0 0 0 0 0 0
AS: 0 4 70 80 28 10 7 0 1 1 0 0 0 0 0 0 0 0
CM: 0 27 37 7 2 1 0 0 0 0 0 0 0 0 0 0 0 0
CS: 0 24 94 48 13 2 0 2 0 0 0 0 0 0 0 0 0 0
SM: 0 25 40 4 1 0 0 0 0 0 1 0 0 0 0 0 0 0
Total 0 107 398 351 231 124 88 69 72 57 31 26 16 10 12 7 3 21
Total number of obs: 1623 Average SNR: 24.9
---------------------------------
Kentarou Nozawa
G. S. I. /Advanced Engineering Services Co., Ltd.
aes@garnet.gsi.go.jp