Re-analysing Sept 2001 data with GUISDAP8: ----------------------------------------- We have to multiply the Tx power in the par-block by 2 but the calibration is still too low. Maybe the very low HV used (63 kV) was in the region of a very innacurate Power vs HV formula ? A magic const of 0.54 had to be used. UHF Tx log says change to one (from 2) klystron operation between 12 and 13 Nov 2001. A power calibration was made after this between 08:30 and 09:50 UT after which tau2 was run. According to the log the new formula is: Pt=0.4214 V*V -19.253*V -3.013 (if V>55) UHF notes ========= 25 Feb 2001 ------------ The short bit of cp1lt_uk data at 07 ... Tx down 16 Mar 2001 ------------ cp1lt at 23: tx down 05 June 2001 ------------ The very short bit of cp1l data between 16:03 and 16:07 UT is bad: There was no signal received and Tsys=NaN 13 June 2001 ------------ cp1mt. From about 17:28 or so a RC sync error or channel board causes useless data. 05 and 08 Oct 2001 ------------------ tau2t These first runs of tau2t seem to have a shorter data dump than the final version. They will not analyse . 19 Oct 2001 ----------- The short bit of arc1 at 06-08 UT seems bad ? Analysing with fixed Tsys resulted in some ranges with fits but nevertheless bad. RC timing error ? 08 Nov 2001 ----------- The short bit of arc at abut 14 UT seems bad. RTG shows that apart from a power profile there is really no other signal there. ------------------------------------------------ VHF notes ========= 07 Feb 2001 ------------ The bit of tau1a is too short to be worth anything (<1 min) 08 and 09 Mar 2001 ----------------- Tx down for tau1@vhf The dump size for the 09, 10, 17 March tau1 runs are different In 15 Feb 2001: 334461 09 Mar 2001: 335101 10 Mar 2001 same 17 Mar 2001: same 17 Sept 2001: 334461 etc. The 9,10,17 March data do not analyse. 07 Mar 2001 ----------- cp7 power profile shows two quite different gains at the F-region peak. Analysis works after choosing cp7h in the DSP window. 16 Mar 2001 ----------- Tx down for tau1@vhf 26 Apr 2001 ----------- cp7 about 1530 for a few minutes one of the pp showed little signal compared to the other and maybe shifted in time ? 15 Aug 2001 ------ Tx down for tau1_single_v@vhf 17 Sep 2001: ------------ cp4bv: For the first cp4b run since Dec 2000 there is signal in both halves. 18 Sep 2001 ----------- Feil i analyse for tau1@vhf mellom 17:40 og 18:50 22 Nov 2001 ----------- Tx down for dlayer_GE@vhf 12 Dec 2001 ----------- Error in analysis of tau8v@uhf at 03:05. Unable to read MAT-file 15 Dec 2001 ----------- The short bit of tau1a VHF data seem bad 17 Dec 2001 ----------- tau1: Radio star in vhfa at 09:00 UT Radio star in vhfb at 07:30 UT as expected for vhf pointing west. 18 Dec 2001: ----------- tau1: Same radio star times as 17 Dec. 19 Dec 2001 ----------- The short bit of tau1a VHF data seem bad