041118 Test Tapes #1 and #2 1343 Vertical pointing 1347 Stopped vertical pointing Analysis shows Zdr in vertical has a mean value of -.95 dB Note also that LDR noise power (actually, DX, or cross-pol Power) is about -108. We expect -115 or so.
041119 Test Tape 3 and 4
041124 1408 Start recording Ka-band not running 1650 Generator switch. Gen 2 -> Gen 1 1900 Generator switch. Gen 1 -> Gen 2 2000 K-band on.
041125 1213 Stopped S-band 1213 Stopped Tapes 1612 Started S-band 1931 Started New IOP
041126 1150 Processor crashed 1200 Started K-band 1225 Stopped vertical pointing. Started SUR1 1359 S-band VIRAQ processor dropped-out 1405 Ka-band is up 1537 Special clutter scans centered on tower at 15-deg azimuth. Ran from 1 deg to 2.0 in .1-deg steps, both 10-deg/sec and 2-deg/sec 1547 (Don is also working in the tx van, and stuff is up and down) 1820 Changed S-band to 200 hits for test 1826 Changed back to 100 hits for test 2019 Started Ka-band 2052 Stopped Ka-band
041127 0815 Found [VIRAQ] processor stopped. Restarted. 0831 K-band up 0835 Started New IOP. Started merged data. 1215 Stopped to do solars. 1728 [VIRAQ] Processor crashed - restarted 1732 [VIRAQ] Processor crashed - restarted
041128 0312 [VIRAQ] Processor quit during unattended ops. 1200 Arrived on site. Stopped RDAs. 1205 Changed tape. 1200 Processor Quit during night, restarted Changed tapes, started new IOP 1300 No sweepfiles, restarted IOP and RDA's - seemed to correct problem 1445 Appears that RDA's quit sweepfiles and tape around 1435 - restarted 0049 Processor Quit: Restarted (DSP 3 did not come ready)
041129 0140 [VIRAQ] Processor stopped again, restarted 0727 Processor crashed, restarted 0740 Processor crashed, restarted 1000 Set up for unmanned ops 1830 Arrived; found processor stopped - restarted 2000 Processor stopped - restarted 2150 Started new IOP
041130 0034 Processor stopped; restarted 0200 Started Terra Scan [Note: special scans for satellite overpass.] 0236 Stopped Terra Scan 0302 Started K-band 0512 Stopped K-band 1326 Found processor stopped - restarted 1330 Stopped ops to work on processor 1400 Spol back running. Put external 10 MHz into processor for test. 1429 Changed tapes; started new IOP 1451 Stopped terra scan, running Seq#4
041201 1226 Stopped ops to work on processor 1302 Started SUR scan (trying mod in STALO for 10 MHz and processor) 1835 Started new IOP
041202 0121 Processor froze; rebooted. 0147 Running Terra Scan 0152 Processor locked up; restarted. 0348 Processor locked, restarted. 0454 Processor locked, restarted. 0547 Started unattended ops. 1309 Found processor stopped; shut down spol for troubleshooting 1550 Spol back up 1752 New IOP started 2318 Antenna stalled. Got it back up and running. 2331 Processor locked; restarted
041203 0525 Processor quit. Restarted. 0532 Processor quit. Restarted. 0548 Processor quit. Restarted. 0800 Started unattended ops 1136 Found processor stopped (0848). Shut [it] down for troubleshooting 1300 Back up in ops 1648 Processor quit, restarted (after a bit)
041204 0139 Terra scan going 0213 Terra Scan complete 0318 Processor quit, restarted 0344 Started new IOP 0800 Unattended ops started 1200 Processor stopped at 0941 1214 Started new IOP 1230 Stopped ops to work on processor 1351 Back to ops 1405 Processor stopped. Restarted 1513 Running Terra Scan 1533 Running 180deg scans 2142 Processor locked. Restarted
041205 0637 Started Ka-band 0658 K-Band magnetron current at 5.1 - 5.2 ma? 0948 Stopped Ka-Band 1000 Started unmanned ops 1448 Stopped ops to work on processor 1504 Changed gates from 1008 to 912 (per Eric Lowe) 1808 Processor locked. Restarted 1812 Started New IOP 2020 Starting Ka-band 2135 Ka-band stopped 2209 Processor locked. Restarted
041206 1008 Processor locked, restarted (Sabine) 1412 Processor locked, restarted (Sabine) 1432 New IOP 1540 Processor off, restarted 1612 Processor quit. Could not restart 1655 Processor restarted. Swapped boards 2-5
041207 0140 Put on Terra Scan (unmanned) 0314 Started Ka-band 0416 Stopped Ka-band 1217 Stopped ops for processor work (De-oxide connectors) 1236 Back to ops. running 180 New 1756 Started New IOP 2026 Ka-band Running 2138 Ka-band off 2357 Charlie fixed RDA2. RDA2 was not recording (onto tape) since 0400's. All beter now!
041208 1808 New tape and IOP
041209 1400 Started new IOP 1405 K-band up 2329 Vertical scan started 2340 Vertical scan off
041210 0233 Terra scan started 0240 Ka-band shutdown 0310 Terra scan completed. Set 180 new and radar unmanned 1110 Return from last night. All systems fine 1409 Started new IOP 1410 Started Ka-band 1604 Ka-band off to get log file to send to Boulder 1637 Ka-band back up 2316 Stopped Ka-band
041211 0146 Started terra scan 0214 Stopped terra scan 0300 Started unattended ops 1203 Shut down to do maintenance 1349 Spol back up. Ops started. Ka-band magnetron bad. Transmitter has to come down. New IOP 1353 Running Terra scan 1430 Terra stopped; started sequence. 1636 Stopped ops to work on Ka-band 1900 Ka-band transmitter removed. Spol back up.
041212 0300 Started unmanned ops 1100 New IOP 1435 Terra scan started 1510 Terra scan stopped
041213 0137 Started Terra scan 0204 Stopped Terra scan 1105 Started a new IOP 1201 Running Vertical scan 1209 Stopped Vertical scan 2325 Locked up video display, probably the board. Still taking data, but screen can't be changed. Al is on the way. Ranges went nuts. Scientist display still working. 0005 Al shut it all down and restarted it all, fixing the problem.
041214 0119 Did rounds, found filiment Current Light "on". I think that is from stopping and restarting. Pushed reset. Rechecked 10 minutes later and fault light is still out. Will continue to monitor. 0129 10 min later and okay 10 min later - okay 0215 Started Terra scan 0247 Stopped Terra scan 1116 New IOP. Having trouble starting sweepfile distribution. 1221 Having trouble with sweep distribution. Will not stay started. 1426 Start Terra scan 1500 End Terra scan 1818 Stopped radar to install Ka-band 2024 Radar running 2326-2329 Vertical scans
041215 0030 Shutting down early per PI instructions. Leaving Spol unattended. 1329 Shuttdown to do Ka-band work. 1530 Spol back up. 1600 Ka-band on. 1636 New IOP. 1715 Ka-band shut down.
041216 0202 Start Terra Scan. 0232 Stop Terra Scan. 0300 Unattended ops. 1413 Terra scan started. 1450 Terra scan ended. 1714 Started new IOP. 1714 Ka-band up. 2016 Ka-band off. 2037 Ka-band up. 2100 Ka-band off.
041217 0322 Unattended ops. 1220 Started new IOP. 1424 Ka-band up.
041218 0102 Ka-band off. 0149 Terra started. 0222 Terra stop. Going to unmanned ops. 1200 New IOP. 1349 Ka-band up. 1921 Ka-band off!
041219 1143 Started Ka-band. 1213 Started new IOP. 1318 New IOP due to changing backup tapes. 2045 Stopped Ka-band.
041220 1124 New IOP. 1135 Started Ka-band. 1145 Ka-band OSC breaking lock. 1341 Ka-band back up. 1640 Ka-band shut down.
041221 1249 Started new IOP
041222 1032 Started new IOP. 1035 Ka-band up. 1624 Ka-band down.
041223 1019 Ka-band up, started new IOP. 1441 Ka-band off.
041224 1120 New IOP. 1127 Ka-band up. 2034 Ka-band off.
041225 1105 Started new IOP. 1110 Ka-band up. 1414 Started Terra scan. 1437 Started 180 NEW. [?] 1510 Stopped Ka-band. 1525 Stopped S-band for maintenance. 1830 Spol back up.
041226 1055 Ka-band up 1100 Started new IOP 1255 Ka-band off 1300 S-Pol down for maint. 1335 Running Ka-band Solars. No Noise Power correction. 1348 End Solar Scans. 1426 Started Solar offset scans with RICO3 Ka software. 1435 End Solars.
041227 1027 Started new IOP. 1028 Ka-band up. 1252 Ka-band off.
041228 1017 Started new IOP. 1025 Ka-band up. 1843 Vertical pointing S-band, Ka-band. 1900 Ka-band off.
041229 1004 Stopped RDA1 & 2. Changed Tapes. Ran cleaning tapes on P and Q drives. 1304 Ka-band shut down. 1336 Stopped 180 NEW Seq. Ran Solar Cal. Adjusted Azimuth by +0.3 degrees. 1354 Began Solar offset scans with S and Ka band. 1357 No sweepfile Generation - Had to [re]start 1408 End Solar offset Cal. 1630 Spol back up. 1645 Ka-band up. 1921 Vertical pointing. 2123 Ka-band off.
041230 1010 New IOP. Started Ka-band. Began S and Ka-band data collection. 1250 Stopped S-pol and Ka-band to do checks. 1340 Radars back up. 1729 Ka-band off.
041231 1156 Started new IOP. Started Ka-band 1907-1944 Stopped Ka-band. Restarted using RICO/Exec Software 1944 Stopped Ka-band. Modified Config. DSP changed DELAY2 from 15 to 5 [This may be a significant delay change; discuss with Pratte!!] 2029 Ka-band off. 2030 RDA2 locked up. Rebooted
050101 1044 Ka-band up 1045 RDA1 & 2 would not eject tape when trying to restart. Neither Display would work. (What is the correct linex version to boot) 1241 Vertical Pointing 1431 Tape runing had problems with RDA's 1630 The data on the tape from the first of the year will have the wrong date; VIRAQ did not pick up 2005. [Until ~1630 UTC, data are tagged with 2004]. 1712 Ka-band shut down. 1720 Had to reboot RDA2 to get tape to run. No display.
050102 1024 Started new IOP. 1030 Ka-band up. 1434 Ka-band off.
050103 1106 Started new IOP. 1110 Ka-band up. 1740 Ka-band down.
050104 1018 Started new IOP. 1020 Ka-band up. 1900 Ka-band off. 1930 Began Solar Scan with Ka-band. [Swp file generator program turned off.] 1935 End Solar scans. 1943 Running 180 New.
050105 1017 Found transmitter had faulted. Reset. 1038 Ka-band up. 1038 Rebooted RDA2. Display will not come up. 1105 S-band transmitter faulted. Reset. 1219 S-band transmitter down. 1245 S-band back up. 2226 Ka-band down.
050106 1030 Ka-band started. 1030 New IOP. 1608 Ka-band down ([turned] off).
050107 1010 New IOP 1010 Ka-band started 1304 Rebooted RDA1 and 2. Both came up with no display. 1324 RDA1 and 2 back up. 1959 Ka-band turned off and RDA's switched to S-band only. 0215 Terra scan start. 0236 Terra scan end.
050108 1023 RDA to Spol and Ka, new IOP [?] 1710 Ka-band off. 1735 Stowed antenna to change [nitrogen] and trouble shoot Az drive problem. 1841 Restarted Spol (S-band) 180 new scan.
050109 1035 Started Ka-band with S-band. 1126 SUR2 (Vertical pointing) scan. 1131 Returned to 180 new Scan. 1230 SUR 2 (vertical pointing) scan. 1233 Returned to 180 new scan. 2100 Ka-band transmitter tripped breaker. Reset. 2228 S-band only operations.
050110 1020 Start Ka-band with S-band, new IOP. 2125 Ka-band off.
050111 1000 Changed nitrogen Ka-band bottle 1056 Started new IOP 1059 Started Ka-band 1144 Vertical scan 1146 Vertical scan 2215 Ka off
050112 1013 Zebra and RDA1 were locked up when 1st shift arrived at 1000. Had to reboot both computers. Sweepfile Dist not working. 1025 Started Ka-band. 1035 New IOP. 1107 Vertical scan.
050113 1207 New IOP. 1651 New IOP - change tape. 1749 Ka off.
050114 1015 Changed Ka band nitrogen bottle 1030 started Ka band 1040 New IOP
050115 1020 New IOP
050116 1017 Changed RDA tapes. 1025 New IOP. 1025 Started Ka Band. 2125 Stopped Ka.
050117 1010 New IOP. 1015 Start Ka Band.
050118 1056 New IOP. 1020 Changed nitrogen. 2155 Stopped Ka-band.
050119 1023 Stopped RDA. 1030 Ka-band up. ~1100 Ka-band transmitter breaker popped twice. Restarted system, seems to be working. 1708-1711 Vertical pointing. Black cloud aloft. 1720-1722 Vertical scan. 2110 System outage approx 2110-2135. Oil change requirement after aircraft ops. 2315 Ka-band down. 23:50 System OK.
050120 1035 Stopped RDA's, started Ka-band, started New IOP and merged Spol and Ka 1213 Spol RF and Ka-band off to start solar test. 1220 Stopped RDAs. 1300 Start RDA for Solar Scan test (Ka & S) [Swp file generator program turned off] 1347 Stopped solar scan test. 1359 Started SPol and Ka-band and RDAs. 1450 Started 120 deg scan for satellite comparison. 1514 Started 180 new scan. 1942 Ka-band shutdown 2030 (approx) S-band Tx fault. Modulator Switch Fault. Down for Repairs. Also: Air Flow faults. Bypassed switches.
050121 0135 S-band tx fixed. Changed bad modulator diodes. 0140 S-band tx faulted. 0146 Stop RDAs. 1500 S-Band operational. Changed broken blower belt and modulator (RBDT's) Diodes 1500 New IOP 1500 S-band operation only (No Ka-band, no clouds) 1612 Start S-band and Ka-band 1800 Stopped RDAs. Ka-band showing Double Reflections. The "Double reflection" may not have been a mirror image, but a repeated block of rays. 1805 Rebooted Ka-band processor. 1815 Start S-band and Ka-band (and RDAs). 2047 Ka-band shutdown. 2055 Started unattended ops.
050122 1012 Started S-band and Ka-band. 1227-1230 Vertical Scans (1227-1230) 1635 "over-the-top" scan for clutter at 228-deg Az. Ka and S-band. [Swp file generator program off.] 1808 Stopped RDA to collect engineering data (Solar Scans and tipping data) 1910 Engineering Test (Solar Scans) 1912 Solar Box 1939 tipping curves 2019 Stopped RDAs 2020 Started S-band
050123 1035 S-band and Ka Band on 1123-1126 Vert scan 2119 Stopped Ka Band 2119 Started unattended ops
050124 1040 New IOP, Ka-band and S-band. 1646 Elevation brake breaker popped. Eeset and is working OK. 1730 Ran 0-deg and 180-deg elevation scans [180-deg is a "flipped antenna"] 1900 Began solar box scans, Ka and S-band [Swp file generator program turned off] 2147 Restarted swpfile generator program
050125 1138 END PROJECT
Special thanks to all the technicians, operators, and scientists for writing relevant information in this log. Even the Engineers wrote some comments.
Those participating through log entries are:
This log was transcribed by Jean Hurst, and edited by Bob Rilling.
All but minor editorial changes to the log are indicated within square brackets.