Special thanks are given here to the operators of S-Pol who ran the system and wrote this log. The operators' initials are provided at the far right of the entry for each day, after the data tape number. See the end of this page for a list of operator names.
11-May-02 P25584 JL 02:25 Various sun volumes [does the time make sense?] 02:41 ended sun scans
11-May-02 P25585/86 AP Running sequence 1 for testing 01:58 Started recording to P25585 02:49 Paused recording for over-night 15:01 Continued recording to P25585 Writing only "P" tapes, for now 23:48 Vertical Pointing 23:05 Sequence 1 00:19 Vertical pointing 00:23 Sequence 1 01:26 Pause tape
12-May-02 P25587/88 LS,DF 13:57 Running sequence 1 14:00 Cleaned RDA-1bn and RDA2-1bn tape drives 14:45 Shut down recording. Had to restart rda systems to change configs (attempting to eliminate "smearing" of S-Pol data in Oye mosaics). 14:51 Restarted RDAs. Intentionally over-wrote data from 13:45 to 14:45 (nothing of interest had happened) 15:11 Paused recording. Took panoramic photos [from under dish] 15:30 Started clutter scans. 15:32 Changed clutter filter status 15:35 Restarted clutter scans w/ no clutter filter (~1500 beams/swp) 15:44 Clutter scans with clutter filter (~1500 beams/swp) 15:53 Running sequence 1
13-May-02 P25588 LS,DF 16:00 Alternate scans (0.0, 0.5) with/without clutter filter 16:14 Sequence 1 22:30 Cleaning tape used on RDA P0 and RDA P2 [?]
14-May-02 P25589/90/91 AP 13:00 Running sequence 1 18:00 Reset processor 18:24 Back to seq 1 22:27 "corrupt free block" error on RDA, RDA2 22:35 Restarted tapes
15-May-02 P25592/93/94 JE 13:01 Running sequence 1
16-May-02 P25595/96/97 JE 11:07 Running sequence 1 18:54 Cleanded RDA rmt/1bn drive 19:50 Running many 0-degree scans with occasional 1.2 deg per special experiment 20:25 [Back to] running sequence 1 17-May 00:00 (approx time) Changed to PPI&RHI for X-Pol comparision 03:04 Run sequence 1
17-May-02 P25598/99 13:02 Running sequence 1 13:52 Reboot zebu 21:07 Stopped for maintenance 23:00 (approx) Started seq 1 03:30 [Wave Guide] Pressure fault, breaker tripped, reset
18-May-02 P25600/01 JE xx:xx [No log entries]
19-May-02 P25602/03/04 JE 10:09 Running sequence 1
20-May-02 P25605/06 JE 14:12 Cleaned rda2 rmt/0bn and rda rmt/0bn 14:13 Stopped radar, quit rda & rda2 14:17 Cleaned rda2 rmt/1bn and rda rmt/1bn 14:23 Running sequence 1 16:50 Run sequence 2 18:30 Run sequence 3 20:00 Run sequence 4 20:42 Run sequence 1
21-May-02 P25607/08/09/10 JE 23:10 Running sequence 1
22-May-02 P25611/12 LS 12:58 Running sequence 1 21:51 Running sequence 3 22:26 Lost synchro power/breaker flipped 22:27 Running sequence 3 23:42 Running sequence 4 23-May-02 00:48 Running sequence 1
23-May-02 P25613/14/15 JE 01:42 Running sequence 1 03:05 Running sequence 3 15:10 Running sequence 1 21:24 Running sequence 3 21:57 Running sequence 4 24-May-02 01:25 Vertical pointing 01:27 Back to seq 4
24-May-02 P25616/17/18 12:41 Running sequence 1
25-May-02 P25619/20/21 13:06 Running sequence 1 14:20 Ran solar cal, checked pedestal level: OK 15:05 Running seq 1
26-May-02 P25622/23 07:36 Running unattended, seq 1 23:43 S-Pol and X-Pol coordinated scans 27-May-02 01:40 Back to seq 1
27-May-02 P25624/25/26 xx:xx Running sequence 1 12:23 Cleaned rmt/0 tape decks 13:52 Vertical pointing 14:01 Running Seq 1 16:10 Running seq 1 with 5-min sync Fair amount of anomalous propagation echoes NW at low angles 17:20 Running seq 1, without sync 19:17 Clutter filter "OFF" for review of AP to NW 19:22 Clutter filter "ON" and "OFF", every volume scan 19:52 [Clutter filter "ON" for operations] 20:50 Cleaned rmt/1 tape decks 21:12 Running 3 SUR (0.0,0.5,1.5) & RHIs @135-degrees for X-Pol comparisons 22:32 Clutter filter off; [Running 3 SUR & RHI @135 for X-Pol] 22:39 Filter off; [Running 3 SUR & RHI @90 for X-Pol] 23:11 Running Seq 1
28-May-02 P25627/28/29 LS 12:36 Running sequence 1 17:10 RDA 1 quit; had to re-start
29-May-02 P25630/31/32 LS 12:45 Running sequence 1 15:06 Running sequence 2 (PPIs, RHIs, 0-degree SUR) 16:10 Problems with elevation drive [thru 16:45] 19:18 Running modified Sequence 2 (RHIs, 4 SUR) 21:00 Running sequence 1 21:03 Running sequence 2 22:47 Running sequence 1
30-May-02 P25633/34/35 AP 13:00 Running sequence 1
31-May-02 P25636/37 AP 12:44 Running sequence 1 13:23 Put new A-D converter in interface unit. Did not fix elev 22:30 Stopped Seq 1 for Solar Cal 23:00 Back to seq 1
01-Jun-02 P25638/39/40/41 00:07 Running sequence 1 17:19 Antenna lost synchro power (back up)
02-Jun-02 P25642/43 AL 13:25 Xmtr has no drive. Paused tapes. 13:59 Xmtr and tapes back running.
03-Jun-02 P25644/45/46/47 12:43 Cleaned top [tape] decks 12:50 Running Sequence 1 15:48 Xmtr power went bad [double-peaked pulse?]
04-Jun-02 P25648/49/50 AL 12:31 Running sequence 1 12:32 Cleanded bottom [tape] decks 19:44 [clutter filter "OFF"] Running sequence 1, modifed (6 minutes, 7 angles) 21:05 [clutter filter "On"] Running sequence 1 22:20 Shut radar down to change [waveguide rotary switch, aka "the Mitch-switch"] 22:51 [Switch change complete] Xmtr back on, tapes running
05-Jun-02 P25651/52/53 LS 12:40 Running sequence 1 21:14 Ejected all tapes and restarted RDAs, per Bob R.
06-Jun-02 P25654/55/56 LS 12:45 Running sequence 1
07-Jun-02 P25657/58/59 12:45 Running sequence 1 20:31 Running sequence 2
08-Jun-02 P25660/61/62 AP 12:28 Running sequence 1 13:39 Running SUR 1, slowed down (0-deg scans, 7.5 deg/sec, 64 samp) 14:00 Back to sequence 1 09-Jun-02 00:06 Regular sequence and RHIs over Homestead on gust front passage. 00:17 [CF "OFF"] Fixed pointing 125-deg azimuth, 0-deg elev; then 10-deg azim at 00:22 00:28 [CF "ON"] Back to sequence 1. 00:45 T1 down. Zebr non-functional.
09-Jun-02 P25663/64/65 AP 12:31 Running sequence 1 10-Jun-02 00:22 RDA2, top tape deck would not write (bad tape)
10-Jun-02 P25666/67/68/69 LS 12:43 Running sequence 1 12:43 Cleaned RDA2 (rmt/1bn), rda (rmt/0bn) 12:52 Stopped RDAs to re-align [tape times] with each other 12:52 Cleaned RDA2 (rmt/0bn); rda (rmt/1bn) 20:14 Running sequence 2: SUR 0-deg, PPIs .5,1.2, -> 9-deg, S-NE sector. Extended to 13-deg at 20:35 20:53 Running SUR 2: 0.0,0.5,...,18-deg (10 angles, 12 deg/sec) 23:21 Back to sequence 1 (0.0 -> 4.0 deg)
11-Jun-02 P25670/71/72 LS 12:30 Running sequence 1 20:36 Running 10 SUR volume scan, 13-deg/sec 64 samples, 0-deg -> 22-deg 23:17 Back to normal Seq 1 (0,0.5,1.2,2,3,4)
12-Jun-02 P25673/74/75 LS 12:50 Running sequence 1
13-Jun-02 P25676/77/78 LS 19:00 Stopped recording for noise calibration 21:05 Commenced recording; noise CAL complete
14-Jun-02 P25679/80/81 LS 10:30 Running sequence 1 Running Seq 2 (SUR 0-deg, PPIs south). Clock 7 sec slow [Which clock?] RHIs approx 1600Z, 1630, 1700, 1880, 18:45 Z 19:09 Back to sequence 1 (6 SUR, 0 -> 4-deg) 21:52 Ran sun volume scan on sun 21:57 End Sun Vol; began seq 1 22:08 Had to restart RDA2. MitchWriter died. P&Q tapes off by ~4 hours. To get back in sync, scratched tape Q25680 and restarted with Q25681. Q25680 does not exist! 23:30 [CF "OFF"] Changed to X-Pol Sync sequence ( 6 SUR, 0 -> 4-deg, sync at 6 minutes)
15-Jun-02 P25682/83/84 DF 12:30 [CF "OFF"] Lost transmitter some time during the night. Restarted. 14:00 [CF "OFF"] Stopped X-Pol sync scans. Went back to Seq 1 (0, then .5,1.2,2,3,4 deg elev) 14:12 Ran Sun Vol scan. Start at 14:13:13. End 14:16. 14:16 Restarted Seq 1 14:19 [CF "ON"] 20:12 Seq 4: 0-deg SUR, 8 PPIs 160-360 deg, els: 0.5-9.5 deg 21:30 Ran Sun Vol scan. Start @2130. End @21:36. 21:37 Restarted Seq 4. 21:47 Running SUR 2; 9 SURs 12-deg/sec, 0.0 -> 7-deg elevs, changed immediately after to 0 -> 10.5-deg. KDP-induced mess on V around 2300-2400 [folded PHIDP] 23:45 Vertical 23:48 Vertical with clutter filter "OFF" 23:54 [CF "OFF"] Running X-Pol: On 5min, 0-deg SUR, 5 PPIs, 5 RHIs 16-Jun-02 01:05 Running Sequence 1 (still doing 10 angles, 0 -> 10.5-deg)
16-Jun-02 P25685/86/87/88 DF 13:23 Ran out of tape. No drives ready (because still doing 10 angles, fast) 15:00 Restarted RDA and RDA2. Problem with RDA2/0bn drive. 17-Jun-02 01:01 Had to restart RDA2. MitchWriter died. 02:10 Forced [the tape drives to] Ping-pong.
17-Jun-02 P25689/90/91 LS 12:47 Running sequence 1 (still 10 angles) 14:06 Changed Seq 1 back to 6 SUR (0-deg to 4-deg) Cleaned both tape drives on RDA and RDA2. 19:39 Running modified SUR 2; 9 SUR (0-deg to 11.0 deg) 21:17 10 SUR (0-deg to 12-deg), sync at 6min 23:06 Back to Seq 1 (6 angles 0-deg to 4-deg) 23:11 [CF "OFF"] Sync of 6-min (Seq 1) (same angles) 00:02 [CF "ON"] Back to Seq 1 -- no sync (same angles)
18-Jun-02 P25692/93 LS 14:25 Ran Solar volume scan. Start 1426, end 1432 19-Jun-02 00:10 Start Solar scan 00:18 Solar scan complete (No Good!) 00:20 Start solar scan 00:35 Solar scan complete (Good scan)
19-Jun-02 P25694/95/96 LS 00:40 Running sequence 1 (SUR1: 0-deg EL + SUR2: .5,1.2,2,3,4-deg el Restarted both RDA & RDA1 after removing cache file 17:00 Processor died. Restarted. 20-Jun-02 00:42 Performing solar scan 00:49 Solar scan complete
20-Jun-02 P25697/98/99 DF 05:30 Added RHI 330 to 30-deg @ 5-deg steps 15:29 Ran Solar volume. Sun angle 93.7 az, 46.7 elev. 15:34 End Solar volume. Run Seq 1, SUR1-0-deg E, SUR2, .5,1.2,2,3,4-deg elev 16:41 Ran Vertical pointing in clear air, clutter filter "ON" 16:46 Vertical with clutter filter "OFF" 16:50 [CF "ON"] back to Seq 1 23:08 Run solar volume, Sun angle 276.64 Az, 32.4 El 23:12 End solar volume, run seq 1
21-Jun-02 P25700/01/02 DF 10:05 Running sequence 1 (SUR1 -- 0deg el, + SUR2 -- .5,1.2,2.3,4-deg elevs) 10:44 Ran vertical pointing, clear air, clutter filter "ON" 10:49 Ran vertical pointing, clear air, clutter filter "OFF" 10:54 Back to seq 1 [CF "ON"] 11:26 BLE (Boundary Layer Experiment) SEQ 4: SUR 0-deg, 7 PPIs (.5 -> 4.0), 16 RHIs (80-210 deg az), on 6 minutes; changed to 6 PPIs, then to 8. Shuffled order, etc. Settled by 11:48 -- 8 PPIs, SUR, 16 PPI 13:25 Missed 6-minute mark, forced immediate re-start, skipping RHIs 18:24 Now doing 10 PPIs, SUR on 6 minutes Code improvement idea: if at start of sync, time to wait exceeds 60% of cycle time, nave audio and visual alarm to alert operator. 19:06 11 SUR (0-25 deg), then 0 - 15 deg. 19:31 Back to normal sequence 1 (0->4 deg SUR) 22:58 Began solar volume; AZ 275.36, EL 34.27 23:03 Solar volume complete, resume Seq 1.
22-Jun-02 P25703/04/05 DF 12:00 Running seq 1 (SUR1, 0-deg)(SUR2, .5,1.2,2,3,4 el) 14:49 Stopped Seq 1, ran solar volume 14:52 Began solar volume scan (Forgot to set system clock!) 14:55 End of solar offset 15:17 Re-ran solor volume with corrected time. 15:20 End of solar volume 21:29 Seq 2 22:55 Seq 1 23-Jun-02 00:06 Start sun volume, az 284.18, el 21.01 00:10 Sun volume scan complete, resume seq 1.
23-Jun-02 P25706/07/08 DF 14:00 Running seq 1 (SUR1, 0-deg)(SUR2, .5,1.2,2,3,4 el) 14:51 Ran sun volume scan. Did two volumes 14:57 Back to seq 1 00:48 Begin sun volume scan 00:53 Sun volume scan complete, resume seq 1.
24-Jun-02 P25709/10/11 DF 13:30 Running seq 1 (SUR1, 0-deg)(SUR2, .5,1.2,2,3,4 el) Cleaned top tape drives for RDA and RDA2 15:04 [CF "OFF"] Ran solar volume. Ran two since first is not below bottom of sun. 15:12 [CF "ON"] Back to seq 1. 20:00 Both RDA and RDA2 crashed. Had to cycle power to bring back. 20:50 RDA and RDA2 rebooted, back to normal. 23:51 Running sun volume scan 23:55 Sun volume scan complete, resume seq 1.
25-Jun-02 P25712/13/14 DF 10:50 Running seq 1 (SUR1, 0-deg)(SUR2, .5,1.2,2,3,4 el) 15:00 Modified Seq 1 --> 0.0,0.5,1.2,2,3,4,5 elevs 26-Jun-02 00:01 Processor crashed. 00:17 Reset, processor back on line. 00:22 Run sun volume scan. 00:27 Sun volume scan complete, resume seq 1.
26-Jun-02 P25715 DF 13:45 End of operations.
*** END-OF-PROJECT ***
| Initials | Name |
|---|---|
| JE | Jonathan Emmett |
| DF | Don Ferraro |
| JH | Joe Henry |
| JL | Jon Lutz |
| AP | Al Phinney |
| RR | Bob Rilling |
| MS | Mike Strong |
| LS | Lucas Swartwood |
| JVA | Joe VanAndel |