May 2001
1 May Nutation damping operations.
CLC Narrow DB used.
Maximum nutation 0.24 deg. half-cone.
KEP GAS CR#621: FSS, UV (part 1) - 121.08:00 SCET.
2 May Nutation damping operations.
Extended McElrath Man. initiated at 122.11:30 SCET.
Nutation went from 0.44 to 0.34 deg.
McElrath Man. initiated at 122.16:36 SCET. Nutation went
from 0.39 to 0.13 deg.
Maximum nutation 0.44 deg. half-cone.
BAM-E calibration - 122.19:17 SCET.
BAM-I calibration - 122.19:40 SCET.
3 May Nutation damping operations.
Maximum nutation 0.25 deg. half-cone.
GRU Routine Noise Test - 123.01:00 SCET.
KEP GAS CR#622: FSS, UV (part 2) - 123.08:00 SCET.
4 May Nutation damping operations.
McElrath Man. initiated at 124.04:26 SCET. Nutation went
from 0.32 to 0.11 deg.
Maximum nutation 0.32 deg. half-cone.
5 May Nutation damping operations.
McElrath Man. initiated at 125.20:35 SCET. Nutation went
from 0.35 to 0.08 deg.
Maximum nutation 0.35 deg. half-cone.
KEP GAS CR#623: FSS, UV (part 3) - 125.08:00 SCET.
DSS-54 Receivers out of lock at 2-way acquisition.
125.05:29-05:40 11m realtime 1024 bps data lost. DR L05233 refers.
6 May Nutation damping operations.
Maximum nutation 0.27 deg. half-cone.
7 May Nutation damping operations.
McElrath Man. #1 initiated at 127.02:43 SCET. Nutation went
from 0.19 to 0.12 deg.
McElrath Man. #2 initiated at 127.12:43 SCET. Nutation went
from 0.29 to 0.17 deg.
McElrath Man. #3 initiated at 127.15:46 SCET. Nutation went
from 0.21 to 0.10 deg.
Maximum nutation 0.33 deg. half-cone.
KEP GAS CR#624: FSS, UV (part 4) - 127.08:00 SCET.
KEP IFC - 127.18:21 SCET.
DSS-63 400kW transmitter warming caused 20kW transmitter drive off.
127.14:42-14:51 9m realtime 1024 bps data lost. DR L05240 refers.
8 May Nutation damping operations.
McElrath Man. #1 initiated at 128.01:50 SCET. Nutation went
from 0.37 to 0.10 deg.
McElrath Man. #2 initiated at 128.10:42 SCET. Nutation went
from 0.17 to 0.07 deg.
Maximum nutation 0.37 deg. half-cone.
9 May Nutation damping operations.
McElrath Man. #1 initiated at 129.00:31 SCET. Nutation went
from 0.48 to 0.23 deg.
McElrath Man. #2 initiated at 129.02:59 SCET. Nutation went
from 0.34 to 0.11 deg.
McElrath Man. #3 (extended) initiated at 129.23:04 SCET.
Nutation went from 0.53 to 0.16 deg.
Maximum nutation 0.53 deg. half-cone.
KEP GAS CR#625: FSS, UV (part 5) - 129.08:00 SCET.
DSS-34 lock drop due to wrong acquision template at transfer.
129.18:29-18:36 5m realtime 1024 bps data lost. DR L05381 refers.
10 May Nutation damping operations.
McElrath Man. #1 (extended) initiated at 130.15:08 SCET.
Nutation went from 0.37 to 0.05 deg.
McElrath Man. #2 initiated at 130.22:29 SCET.
Nutation went from 0.36 to 0.17 deg.
Maximum nutation 0.37 deg. half-cone.
HED Calibration - 130.01:00 SCET.
KEP GAS CR#626: NG - 130.14:00 SCET.
DSS-43 Accumulator pump failure resulted in antenna halt.
130.20:04-20:14 10m realtime 1024 bps data lost. DR A05389 refers.
130.20:36-20:45 9m realtime 1024 bps data lost due to additional re-sweep.
11 May Nutation damping operations.
McElrath Man. #1 initiated at 131.03:00 SCET. Nutation went
from 0.23 to 0.13 deg.
An adjustment to DSS-63 output power from 0.7 to 1.0 kW
during the track caused a nutation increase of about
0.18 to 0.35 deg at 131.09:00. DR L05256 refers.
McElrath Man. #2 (extended) initiated at 131.10:22 SCET.
Nutation went from 0.56 to 0.15 deg.
McElrath Man. #3 (extended) initiated at 131.14:50 SCET.
Nutation went from 0.53 to 0.17 deg.
Maximum nutation 0.56 deg. half-cone.
12 May Nutation damping operations.
McElrath Man. #1 initiated at 132.05:51 SCET. Nutation went
from 0.40 to 0.12 deg.
McElrath Man. #2 initiated at 132.11:24 SCET. Nutation went
from 0.34 to 0.09 deg.
McElrath Man. #3 with CLC enabled initiated at 132.20:11 SCET.
Nutation went from 0.24 to 0.16 deg.
Maximum nutation 0.40 deg. half-cone.
13 May Nutation damping operations.
McElrath Man. with CLC enabled initiated at 133.19:44 SCET.
Nutation went from 0.47 to 0.06 deg.
Maximum nutation 0.47 deg. half-cone.
14 May Nutation damping operations.
McElrath Man. with CLC enabled initiated at 134.10:57 SCET.
Nutation went from 0.35 to 0.10 deg.
Maximum nutation 0.35 deg. half-cone.
KEP IFC - 134.15:20 SCET.
DSS-63 Complex-wide power glitch. All subsystems re-initialized.
134.06:40-07:27 47m realtime 1024 bps data lost. DR L05265 refers.
134.08:07-08:15 8m realtime 1024 bps data lost due to additional 1-way to 2-way.
DSS-34 transmitter late at U/L tansfer. DR A05401.
134.18:18-18:31 13m realtime 1024 bps data lost due to additional 1-way to 2-way.
15 May Nutation damping operations.
McElrath Man. #1 with CLC enabled initiated at 135.02:39 SCET.
Nutation went from 0.31 to 0.14 deg.
McElrath Man. #2 with CLC enabled initiated at 135.06:20 SCET.
Nutation went from 0.34 to 0.09 deg.
Maximum nutation 0.34 deg. half-cone.
BAM-I Motor Position 3 - 135.15:20 SCET.
16 May Nutation damping operations.
McElrath Man. #1 with CLC enabled initiated at 136.06:01 SCET.
Nutation went from 0.24 to 0.07 deg.
McElrath Man. #2 with CLC enabled initiated at 136.10:08 SCET.
Nutation went from 0.24 to 0.04 deg.
Maximum nutation 0.28 deg. half-cone.
BAM-I Matrix 6 - 136.15:35 SCET.
SIM HET Calibration - 136.05:00 SCET.
17 May Nutation damping operations.
McElrath Man. #1 with CLC enabled initiated at 137.03:29 SCET.
Nutation went from 0.30 to 0.05 deg.
McElrath Man. #2 with CLC enabled initiated at 137.12:46 SCET.
Nutation went from 0.26 to 0.06 deg.
Maximum nutation 0.30 deg. half-cone.
DSS-54 problem with RCP-1 to TCA channel. DR L05288 refers.
137.09:15-09:17 2m realtime 1024 bps data lost.
09:19-09:29 10m realtime 1024 bps data lost.
09:31-09:32 1m realtime 1024 bps data lost.
GRU CR#635: HV & Threshold changes - 137.15:29 SCET.
18 May Nutation damping operations.
McElrath Man. with CLC enabled initiated at 138.03:34 SCET.
Nutation went from 0.24 to 0.08 deg.
Maximum nutation 0.24 deg. half-cone.
DSS-24 SCP problem. DR G06994 refers.
138.15:55-15:59 4m realtime 1024 bps data lost.
KEP GAS CR#627: NG Indirect- 138.03:00 SCET.
19 May Nutation damping operations.
McElrath Man. #1 with CLC enabled initiated at 139.00:18 SCET.
Nutation went from 0.27 to 0.06 deg.
McElrath Man. #2 with CLC enabled initiated at 139.15:48 SCET.
Nutation went from 0.23 to 0.10 deg.
Maximum nutation 0.32 deg. half-cone.
20 May Nutation damping operations.
McElrath Man. with CLC enabled initiated at 140.20:17 SCET.
Nutation went from 0.23 to 0.08 deg.
Maximum nutation 0.28 deg. half-cone.
KEP GAS CR#628: FSS NG Mode Pt. 1 - 140.08:00 SCET.
21 May Nutation damping operations.
McElrath Man. #1 with CLC enabled initiated at 141.16:31 SCET.
Nutation went from 0.16 to 0.10 deg.
McElrath Man. #2 with CLC enabled initiated at 141.20:56 SCET.
Nutation went from 0.16 to 0.05 deg.
Maximum nutation 0.34 deg. half-cone.
DSS-24 LMC problems. DR L05297 refers.
141.04:07-04:22 18m realtime 1024 bps data lost.
KEP IFC - 141.15:24 SCET.
DSS-34 transmitter problem. DSS-43 filled in U/L gap from
141.18:55 to 20:30 ETT, when it transferred to DSS-34, once
transmitter problem had been fixed. DR A05415 refers.
141.18:23-18:25 2m realtime 1024 bps data lost, due to transition to 1-way.
141.19:11-19:16 5m realtime 1024 bps data lost, due to transition to 2-way.
22 May Nutation damping operations.
McElrath Man. with CLC enabled initiated at 142.05:11 SCET.
Nutation went from 0.23 to 0.08 deg.
Maximum nutation 0.29 deg. half-cone.
KEP GAS CR#629: FSS NG Mode Pt. 2 - 142.08:00 SCET.
23 May Nutation damping operations.
Maximum nutation 0.25 deg. half-cone.
HED Calibration - 143.01:00 SCET.
24 May Nutation damping operations.
McElrath Man. with CLC enabled initiated at 144.09:24 SCET.
Nutation went from 0.21 to 0.05 deg.
Maximum nutation 0.26 deg. half-cone.
KEP GAS CR#630: FSS NG Mode Pt. 3 - 144.07:00 SCET.
DSS-24 LBW opened to 35Hz caused drop in RX lock.
144.14:22-14:26 4m realtime 1024 bps data lost. DR G07019 refers.
25 May Nutation damping operations.
McElrath Man. with CLC enabled initiated at 145.05:36 SCET.
Nutation went from 0.27 to 0.08 deg.
Maximum nutation 0.27 deg. half-cone.
26 May Nutation damping operations.
Maximum nutation 0.19 deg. half-cone.
KEP GAS CR#631: FSS NG Mode Pt. 4 - 146.06:00 SCET.
27 May Nutation damping operations.
Failed U/L TSF transfer (DSS-54 to DSS-24) instead of XA.
147.11:36-11:44 8m realtime 1024 bps data lost. DR G07029 refers.
McElrath Man. with CLC enabled initiated at 147.13:30 SCET.
Nutation went from 0.30 to 0.06 deg.
Maximum nutation 0.30 deg. half-cone.
28 May Nutation damping operations.
McElrath Man. with CLC enabled initiated at 148.20:48 SCET.
Nutation went from 0.27 to 0.09 deg.
Maximum nutation 0.27 deg. half-cone.
KEP IFC - 148.15:34 SCET.
KEP GAS CR#632: FSS NG Mode Pt. 5 - 148.05:00 SCET.
29 May Nutation damping operations.
Maximum nutation 0.25 deg. half-cone.
KEP GAS CR#637: NG - 149.12:00 SCET.
30 May Nutation damping operations.
Maximum nutation 0.27 deg. half-cone.
BAM-E calibration - 150.15:36 SCET.
BAM-I calibration - 150.15:56 SCET.
31 May Nutation damping operations.
Maximum nutation 0.32 deg. half-cone.
McElrath Man. #1 with CLC enabled initiated at 151.06:06 SCET.
Nutation went from 0.25 to 0.05 deg.
151.12:22-12:37 Command system problem caused switch from Idle2-Cal2 unexpectedly. AR106272.
McElrath Man. #2 with CLC enabled initiated at 151.17:08 SCET.
Nutation went from 0.32 to 0.12 deg.
GRU Routine Noise Test (CR# 636) - 151.19:00 SCET.