---------------------------------------------------------- KST observations (updated on November 7, 2008) ---------------------------------------------------------- **** 2008-10-27 Mon *** 2008-10-27 Mon 22-02 UT KST UHF (SW SPAPI: I. Sandahl) Reimei pass: 2008-10-28 00:25 UT mode-S (18:00 UT) rem ksu runexp /kst/exp/beata/beata fm cp1 SP continued previous UHF observation, Grains. (01:00 UT) rem ksu stopexp -Quiet ionospheric condition -Clear sky **** 2008-10-28 Tue *** EISCAT KST UHF radar: CP-2 run Reimei pass: 2008-10-29 00:44 UT mode-S -Moderate ionospheric condition -Slightly cloudy **** 2008-10-29 Wed *** EISCAT KST UHF radar: CP-1 run from 14 UT 2008-10-29 Wed 22-02 UT VHF (ReimeiVHF) Reimei pass: 2008-10-30 01:01 UT (AZ: 0 deg, EL: 59.5 deg, GeoLat: 72.57 deg) (21:50 UT) runexp /kst/exp/tau8/tau8 fm lowel NI (22:00 UT) enablerec (22:14 UT) stopexp stopped the experiment due to a problem of UHF antenna. (22:40 UT) runexp /kst/exp/tau8/tau8 fm lowel NI (22:47 UT) crowber, 0 kW. (22:53 UT) crowber, 0 kW. (02:00 UT) stopexp -Active ionospheric condition. -Snowing **** 2008-10-30 Thu *** 2008-10-30 Thu 22-02 UT KST UHF (Pulsating) (21:30 UT) runexp /kst/exp/tau8/tau8 fm lowel NI (22:00 UT) enablerec (23:40 UT) crowber, 0 kW. (00:13 UT) crowber, 0 kW. (02:00 UT) stopexp 2008-10-30 Thu 22-02 UT VHF (ReimeiVHF) Reimei pass: 2008-10-31 01:19 UT (AZ: 0 deg, EL: 43.2 deg, GeoLat: 74.82 deg) (22:00 UT) rem ksu runexp /kst/exp/beata/beata fm cp1 SP keep running the previous UHF observation, Grains. (23:40 UT) crowber, 0 kW. (00:13 UT) crowber, 0 kW. (02:00 UT) stopexp -Active ionospheric condition before 22:00 UT -Clear sky. **** 2008-10-31 Fri *** 2008-10-31 Fri 22-02 UT KST UHF (Pulsating) (22:00 UT) rem ksu runexp /kst/exp/beata/beata fm cp1 SP keep running the previous UHF observation, Grains. (02:00 UT) stopexp -Some activities of aurora were seen during the SP. -Slightly cloudy. **** 2008-11-02 Sun *** 2008-11-02 Sun 18-22 UT KST UHF (Arc) (18:00 UT) rem ksu runexp /kst/exp/beata/beata fm cp1 SP (18:14 UT) crowber, 0 kW. (18:22 UT) crowber, 0 kW. (18:48 UT) crowber, 0 kW. (20:00 UT) crowber, 0 kW. 2008-11-02 Sun 22-02 UT KST UHF (SW SPAPI: I. Sandahl) Reimei pass: 2008-11-03 00:40 UT mode-S (22:00 UT) rem ksu runexp /kst/exp/beata/beata fm cp1 SP keep running the previous UHF observation, Arc. (02:00 UT) stopexp -Auroras were sometimes seen during the SP. -Mostly cloudy. **** 2008-11-04 Tue *** 2008-11-04 Tue 22-02 UT VHF (ReimeiVHF) (Note: 22-24 UT 2nd priority) Reimei pass: 2008-11-05 01:15 UT (AZ: 0 deg, EL: 46.1 deg, GeoLat: 74.41 deg) (23:00 UT) runexp /kst/exp/tau8/tau8 fm lowel NI (23:28 UT) enablerec (01:58 UT) stopexp -Some geomagnetic activities were seen at Bjornoya. -Snowing. **** 2008-11-05 Wed *** 2008-11-05 Wed 18-22 UT KST UHF & HEATER (sp_ni_mi) 17:47 rem ksu runexp /kst/exp/beata/beata 17:50 cp1 NI 220 17:52 rtg 18:00 rem kst enablerec 18:05 kir webtg -n 12 18:05 sod webtg -n 12 18:07 start realtime guisdap analysis at the "ana uhf" window 18:29 restart the guisdap analysis to adjust the start time of the output figure by specifying the Start/End time 19:10 The ionosphere is very quiet. Nothing happens even during heating. 20:05 heater is stopped because of too quiet ionosphere 21:55 rem ksu stopexp 21:59:50 **** 2008-11-07 Fri *** 2008-11-07 Fri 18-22 UT KST UHF (Arc) 2008-11-07 Fri 22-02 UT KST UHF (Pulsating) Reimei pass: 2008-11-08 00:36 UT mode-S (17:43 UT) rem ksu runexp /kst/exp/beata/beata fm cp1 SP 220 (18:00 UT) rem ksu enablerec (18:42 UT) crowber, 0 kW. (19:00 UT) crowber, 0 kW. (19:05 UT) crowber, 0 kW. (02:00 UT) rem ksu stopexp -Extremely active ionospheric condition. -Clear sky, sometimes slightly cloudy. **** 2008-11-08 Sat *** 2008-11-08 Sat 18-22 UT KST UHF & HEATER (sp_ni_mi) 17:39 rem ksu runexp /kst/exp/beata/beata 17:45 cp1 NI 220 17:47 rtg 17:47 rem ksu printexp 17:50 rem ksu printant 18:01 rem ksu enablerec 18:02 kir webtg n 6 18:02 sod webtg n 6 18:07 start realtime guisdap analysis 18:08 The first heater turned on. 18:29:45 crowbar! 18:33 The transmitter power was recovered. HF modulation on 18:32-18:33 was missed. 18:35:55 crowbar again! Missed HF modulation: 18:36-18:37; 18:39 The transmitter power was recovered; but it is unstable yet. So the power is set at a little bit lower than usual say 1400 kW. The power may be pulled up higher later. 18:44 crowbar again; but recovered shortly. 20:55 While D-region absorption kept strong for previous 1.5 hours, the plasma line came back again. 21:24 The ion temperature was enhanced. During this event, the plasma line intensity was jumped up immediately after HF turned off. 21:54 rem ksu stopexp 21:59:50 22:00 The last HF was turned on ---------------------------------------------------------- ReimeiVHF (PI: M. Hirahara) Arc (PI: A. Kadokura) Pulsating (PI: K. Hosokawa) sp_ni_mi (PI: R. Fujii) LT=UT+1 hour ----------------------------------------------------------