Notes of the EISCAT UHF/VHF radar observations (Last updated on December 3, 2007.) ------------------------------------------------------------------- UHF radar observation: Pulse code: arc1 Antenna mode: cp1.elan VHF radar observation: Pulse code: beata Antenna mode: zenith.elan ------------------------------------------------------------------- ------------------------------------------------------------------- EISCAT KST UHF radar observations, SW(20),NI(40): ------------------------------------------------------------------- YYYY-MM-DD HHMM(UT)-YYYY-MM-DD HHMM(UT) (total) Note ------------------------------------------------------------------- 2007-11-03 2200 UT - 2007-11-04 0200 UT (4hours) Tima (IRF Kiruna) ran the KST UHF SP in Kiruna. Weather: Couldy Ionosphere: Quiet ------------------------------------------------------------------- 2007-11-05 2200 UT - 2007-11-06 0200 UT (4hours) Canceled at 11 UT on November 02 (on Friday) because of bad weather condition. ------------------------------------------------------------------- 2007-11-06 2200 UT - 2007-11-07 0200 UT (4hours) Canceled at 10 UT on November 05 (on Monday) because of quiet ionospheric condition. ------------------------------------------------------------------- 2007-11-08 0000 UT - 2007-11-08 0100 UT (1hours) KST UHF observation: (23:50 UT) rem ksu runexp /kst/exp/arc1/arc1 fm cp1 SP (23:52 UT) rem ksu enablerec EL information of Sodankyla antenna looks strange (-0.5 deg) on rtg. (00:07 UT) sod stopexp (00:08 UT) sod runexp /kst/exp/arc1/arc1 00:00 cp1 SP (00:10 UT) sod enablerec The EL information looks OK. (00:19 UT) The EL information looks strange on rtg again. (00:23 UT) sod rtpeek ant (00:33 UT) sod rtpoke ant elev 36.57 (00:50 UT) rem ksu stopexp Weather: Couldy, sometimes clear sky Ionosphere: Completely quiet ------------------------------------------------------------------- 2007-11-09 0000 UT - 2007-11-09 0200 UT (2hours) (New moon) KST UHF observation: (00:01 UT) rem ksu runexp /kst/exp/arc1/arc1 fm cp1 SP (00:03 UT) rem ksu enablerec (00:28 UT) crowber, 0kW. (00:31 UT) recovered (02:00 UT) rem ksu stopexp VHF observation: (23:45 UT) stoped the UK's VHF exp and changed the antenna direction. (23:52 UT) run /kst/exp/ei/beata/beata.elan fm zenith NI (00:02 UT) enablerec (00:28 UT) crowber, 0kW. (00:31 UT) recovered (02:00 UT) stopexp Weather: Clear sky Ionosphere: Quiet, but aurora was seen to the north of Tromso. ------------------------------------------------------------------- 2007-11-10 0000 UT - 2007-11-10 0200 UT (2hours) KST UHF observation: (23:52 UT) rem ksu runexp /kst/exp/arc1/arc1 fm cp1 SP (23:55 UT) rem ksu enablerec (01:55 UT) rem ksu stopexp VHF observation: (23:46 UT) stoped the UK's VHF exp and changed the antenna direction. (23:51 UT) run /kst/exp/ei/beata/beata.elan fm zenith NI (00:05 UT) enablerec (00:40 UT) crowber, 0kW. (00:42 UT) recovered (01:56 UT) stopexp Weather: Cloudy Ionosphere: Substorm occured at about 23:45 UT, and ion upflows were seen between 00:15 and 00:30 UT. ------------------------------------------------------------------- 2007-11-11 0000 UT - 2007-11-11 0200 UT (2hours) UHF KST UHF observation: (23:55 UT) stoped the UK's VHF exp. (23:58 UT) rem ksu runexp /kst/exp/arc1/arc1 fm cp1 SP (00:00 UT) rem ksu enablerec (02:00 UT) rem ksu stopexp Weather: Clear sky, sometimes cloudy Ionosphere: Quiet, but aurora was seen to the north of Tromso. ------------------------------------------------------------------- 2007-11-12 0000 UT - 2007-11-12 0200 UT (2hours) UHF KST UHF observation: (23:48 UT) stoped the UK's VHF exp. (23:51 UT) rem ksu runexp /kst/exp/arc1/arc1 fm cp1 SP (23:54 UT) 0kW. (00:00 UT) rem ksu enablerec (01:51 UT) rem ksu stopexp Weather: Cloudy Ionosphere: Quiet. ------------------------------------------------------------------- 2007-11-13 0000 UT - 2007-11-13 0100 UT (1hours) UHF KST UHF observation: (00:00 UT) stoped the UK's VHF exp. (00:05 UT) rem ksu runexp /kst/exp/arc1/arc1 fm cp1 SP (00:06 UT) rem ksu enablerec (01:05 UT) rem ksu stopexp Weather: Cloudy. Ionosphere: Active. Strong precipitation lasts until 00:30 UT including the reimei conjunction (00:13 UT), and high Te and ion upflows were seen after 00:42 UT. ------------------------------------------------------------------- 2007-11-14 0000 UT - 2007-11-14 0200 UT (2hours) UHF & VHF KST UHF observation: (23:54 UT) rem ksu runexp /kst/exp/arc1/arc1 fm cp1 SP 250 (23:56 UT) rem ksu enablerec (02:05 UT) rem ksu stopexp VHF observation: (23:47 UT) stoped the UK's VHF exp and changed the antenna direction. (23:51 UT) run /kst/exp/ei/beata/beata.elan fm zenith NI (00:04 UT) enablerec (02:05 UT) stopexp Weather: Clear sky. Ionosphere: Substorm breakup frequently occurred before the SP, and diffuse auroras with small structures were seen throughout the SP. ------------------------------------------------------------------ 2007-11-14 2200 UT - 2007-11-15 0200 UT (4hours) UHF & VHF KST UHF observation: (21:59 UT) rem ksu runexp /kst/exp/arc1/arc1 fm cp1 SP 250 (22:00 UT) rem ksu enablerec (02:00 UT) rem ksu stopexp VHF observation: (21:59 UT) run /kst/exp/beata/beata.elan fm zenith NI (22:00 UT) enablerec (02:00 UT) stopexp Weather: Partly cloudy skies. Ionosphere: Auroral arcs and diffuse auroras with small structures were seen between 23 and 01 UT. ------------------------------------------------------------------ 2007-11-15 2200 UT - 2007-11-16 0200 UT (4hours) UHF & VHF KST UHF observation: (21:45 UT) rem ksu runexp /kst/exp/arc1/arc1 fm cp1 SP 250 (22:01 UT) rem ksu enablerec (22:04 UT) crowber, 0kW. (22:06 UT) recovered (02:00 UT) rem ksu stopexp VHF observation: (21:46 UT) run /kst/exp/beata/beata.elan fm zenith NI (22:01 UT) enablerec (22:04 UT) crowber, 0kW. (22:06 UT) recovered (02:00 UT) stopexp Weather: Mostly cloudy skies. Ionosphere: Active. Electron density enhancements in the E-region occurred between 22 and 24 UT. ------------------------------------------------------------------ 2007-11-16 2200 UT - 2007-11-17 0200 UT (4hours) (lower priority) KST UHF observation: (21:45 UT) rem ksu runexp /kst/exp/arc1/arc1 fm cp1 SP 250 (22:01 UT) rem ksu enablerec (22:40 UT) power down, 0kW. (22:42 UT) recovered (00:24 UT) power down, 0kW. (00:25 UT) recovered (02:00 UT) rem ksu stopexp Weather: Always cloudy skies. Ionosphere: Active. Electron density enhancements in the E-region were seen between 22 and 01 UT. ------------------------------------------------------------------ 2007-11-17 2200 UT - 2007-11-18 0200 UT (4hours) (lower priority) Canceled on November 16 (on Friday) because of bad weather and quiet ionospheric condition. ------------------------------------------------------------------- 2007-11-18 2200 UT - 2007-11-19 0200 UT (4hours) UHF & VHF KST UHF observation: (21:45 UT) rem ksu runexp /kst/exp/arc1/arc1 fm cp1 SP 250 Cannot connect to the EROS in Kiruna site (22:24 UT) rem ksu stopexp (22:50 UT) A staff in Kiruna site could not fix the problem. We therefore decided to cancel the UHF observation. VHF observation: (21:46 UT) run /kst/exp/beata/beata.elan fm zenith NI (22:01 UT) enablerec (22:07 UT) crowber, 0kW. (22:08 UT) recovered (00:04 UT) power down, 0kW. (00:07 UT) recovered (00:24 UT) crowber, 0kW. (00:29 UT) recovered (02:00 UT) stopexp Weather: Cloudy skies, but sometimes clear skies between 00 and 01 UT. Ionosphere: Quiet. ------------------------------------------------------------------ 2007-11-19 2200 UT - 2007-11-20 0200 UT (4hours) UHF & VHF KST UHF observation: (21:44 UT) rem ksu runexp /kst/exp/arc1/arc1 fm cp1 SP 250 (22:01 UT) rem ksu enablerec (02:00 UT) rem ksu stopexp VHF observation: (21:44 UT) run /kst/exp/beata/beata.elan fm zenith NI (22:03 UT) enablerec (02:00 UT) stopexp Weather: Cloudy skies. Ionosphere: Active. Substorm occurred at about 23 UT, and it lasted until 01 UT ------------------------------------------------------------------ 2007-11-20 2200 UT - 2007-11-21 0200 UT (4hours) (lower priority) UHF & VHF KST UHF observation: (22:06 UT) rem ksu runexp /kst/exp/arc1/arc1 fm cp1 SP 250 (22:08 UT) rem ksu enablerec (22:22 UT) crowber, 0kW. (00:23 UT) recovered (02:00 UT) rem ksu stopexp VHF observation: (22:06 UT) run /kst/exp/beata/beata.elan fm zenith NI (22:07 UT) enablerec (22:22 UT) crowber, 0kW. (00:23 UT) recovered (02:00 UT) stopexp Weather: Cloudy skies. Ionosphere: Active. Electron density in the E region frequently change between 22 and 00 UT. ------------------------------------------------------------------ 2007-11-21 2200 UT - 2007-11-22 0200 UT (4hours) (lower priority) KST UHF observation: (21:30 UT) rem ksu runexp /kst/exp/arc1/arc1 fm cp1 SP 250 (22:00 UT) rem ksu enablerec (02:00 UT) rem ksu stopexp Weather: Snow. Ionosphere: Quiet. ------------------------------------------------------------------ 2007-11-24 2200 UT - 2007-11-25 0200 UT (4hours) UHF *** Prof. Ingrid Sandahl ran the UHF from the EISCAT Kiruna site. Weather: Overcast Ionosphere: Moderate ------------------------------------------------------------------ 2007-11-29 2200 UT - 2007-11-30 0200 UT (4hours) UHF *** Prof. Ingrid Sandahl ran the UHF from the EISCAT Kiruna site. Weather: Overcast Ionosphere: Quiet. ------------------------------------------------------------------