+HEADER
CORREL Tsukuba
DATABASE 12APR29XK
SESSNAME k12120
OBSTIME 2012/04/29
UTSTART 0730
DURATION 1
DOY 120
CORRTIME 2012/04/29
CORRPASS 1
EXPORT DONE
+SUMMARY
Qcode % of Total % of Correlated
scans scans
5-9 97.2 % 97.2 %
0 2.8 % 2.8 %
4-1,D,G,N 0.0 % 0.0 %
Removed 0.0 %
+CORRELATOR_NOTES
Scan at 120-0753 and 120-0805 produced zero codes on S band.
The source being observed were 0446+112.
There were low SNR but good integration time for these scans.
+STATION_NOTES
TSUKUB32(T-Ts): OK.
WETTZELL(V-Vs): OK.
Transfer rate: 256 Mbit/s
WETTZELL data were real-time transferred to Tsukuba by
data transfer software "VDIF/SUDP".
+MANUAL PCAL
+CHANNELS
XR1U = band|polarization|channel#|sideband
XR1U/L BBC01 8212.99
XR2U BBC02 8252.99
XR3U BBC03 8352.99
XR4U BBC04 8512.99
XR5U BBC05 8732.99
XR6U BBC06 8852.99
XR7U BBC07 8912.99
XR8U/L BBC08 8932.99
SR1U BBC09 2232.99
SR2U BBC10 2240.99
SR3U BBC11 2256.99
SR4U BBC12 2312.99
SR5U BBC13 2344.99
SR6U BBC14 2352.99
+DROP_CHANNELS
Ts
Wz
+CLOCKS
Clocks: TSUKUB32
Station fmout-gps used rate Comments
[usec] [usec] [sec/sec]
Ts 0.285 1.686 0.335E-12 Reference
Wz -25.707 -25.479 -3.370E-12
Date: 2012/04/29
+QCODES
PROCESS SUMMARY BY BASELINE/FREQUENCY
Base 0 1 2 3 4 5 6 7 8 9 D G N - Tot
TV X 0 0 0 0 0 0 0 0 2 34 0 0 0 0 36
TV S 2 0 0 0 0 0 0 0 0 34 0 0 0 0 36
Column Totals, numbers then percentages
2 0 0 0 0 0 0 0 2 68 0 0 0 0 72
% 2.8 0.0 0.0 0.0 0.0 0.0 0.0 --> --> 97.2 0.0 0.0 0.0 0.0100.0
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: TV
Total Obs: 36
Error : 2
% : 5.6
(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 >>
TV: 0 0 3 0 2 2 2 4 2 2 3 0 0 2 3 0 1 10
Total 0 0 3 0 2 2 2 4 2 2 3 0 0 2 3 0 1 10
Total number of obs: 36 Average SNR: 67.2
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 >>
TV: 2 0 0 11 11 8 0 0 1 0 1 0 0 0 1 0 0 1
Total 2 0 0 11 11 8 0 0 1 0 1 0 0 0 1 0 0 1
Total number of obs: 36 Average SNR: 25.5
+SNR_RATIOS
MEAN RATIOS = Observed SNR / Predicted SNR
bl X n S n
TV 1.22 36 1.00 34
+END
--------------------------------
Takashi, NISHIKAWA
Geospatial Information Authority of Japan
/ AES Co.,Ltd.
nishikawa@gsi.go.jp