Last updated on February 19, 2018

Tromsø UHF operation memorandum for the February 14-19, 2018 experiment

Experiment names: Tomography, PsA_C, and PsA
PIs: Y. Tanaka (NIPR), K. Hosokawa (UEC), and Y. Ogawa (NIPR)
Resources: NI(13+13+10)

SP intervals: Tomography (19-23 UT), PsA_C (23-04 UT), and PsA (others)
Pulse scheme: arc1 (version 2. Range coverage: 60-300 km)

Participants: Yasunobu Ogawa, Yukimasa Tanaka and Toru Takahashi 

Before our experiment: Nothing
After our experiment: Nothing
Other experiments: EISCAT VHF radar (CP-4, bella pulse code)

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(UHF)
February 14, 2018
19:40 UT runexp /kst/exp/ei/arc1/arc1 fm cp1 NI
19:00 UT enablerecording

February 15, 2018
03:55 UT stopexp 04:00

Note: It was a clear sky above Tromsoe. Clear auroras were seen after 22:00 UT.

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(UHF)
February 15, 2018
17:20 UT runexp /kst/exp/ei/arc1/arc1 fm cp1 NI
17:34 UT enablerecording
19:42-19:44 UT Crawber (UHF 0 kW) 

February 16, 2018
01:17-01:19 UT Some problem occurred in guisdap analysis.
03:59 UT stopexp 04:00

Note: It was slightly cloudy above Tromsoe. Auroras were seen throughout the SP. 

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(UHF)
February 16, 2018
19:20 UT runexp /kst/exp/ei/arc1/arc1 fm cp1 NI
19:29 UT EROS was rebooted.
19:31 UT enablerecording

February 17, 2018
03:15 UT stopexp 03:15

Note: It was slightly cloudy above Tromsoe. Various auroras were seen after 21 UT. 

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(UHF)
February 17, 2018

Experiment name: ARASE_UHF
PI: Yoshizumi Miyoshi
07:50 UT run /kst/exp/beata/beata fm ei/sweep_aa NI
08:00 UT enablerec
10:00 UT stopexp

20:10 UT runexp /kst/exp/ei/arc1/arc1 fm cp1 NI
20:22 UT enablerecording
23:00 UT stopexp

Experiment name: Cluster UK
PI: Rob Fear
23:00 UT runexp /kst/exp/beata/beata lm cp1 SP
23:01 UT enablerecording


February 18, 2018

00:29 UT stopexp
00:30 UT runexp /kst/exp/ei/arc1/arc1 lm cp1 NI
00:30 UT enablerecording
04:00 UT stopexp

Note: It was a clear sky above Tromsoe. An auroral breakup occurred at about 21:10 UT.

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(UHF)
February 18, 2018

23:20 UT runexp /kst/exp/ei/arc1/arc1 lm cp1 NI

February 19, 2018

00:17 UT UHF transmitter is ready.
00:17 UT kill and restarted EROS.
00:18 UT runexp /kst/exp/ei/arc1/arc1 lm cp1 NI
00:19 UT enablerecording
03:19 UT stopexp

Note: It was also a clear sky above Tromsoe and other optical sites. 
Pulsating auroras frequently occurred after about 00:40 UT.

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