Heating logs for 1991 Notes on interpretation
Date	Handwritten log page number	Notes
08 February 1991	p541	[MPAe] EISCAT
09 February 1991	p541	[MPAe] Akebono satellite; EISCAT
10 February 1991	p541	[MPAe] EISCAT
11 February 1991	p541, p542	[MPAe] EISCAT; SEE
12 February 1991	p542	[MPAe] EISCAT
13 February 1991	p542	[MPAe] Akebono satellite, ELF
14 February 1991	p543	[MPAe] EISCAT
15 February 1991	p543	[MPAe] EISCAT
16 February 1991	p543, p544, p545	[MPAe] EISCAT
17 February 1991	p545, p546	[MPAe] EISCAT UHF
18 February 1991	p546, p547	[MPAe] EISCAT UHF; SEE
19 February 1991	p547, p548, p549	[MPAe]Akebono satellite; SEE
03 May 1991	p550	[MPAe] Tests
04 May 1991	p550	[MPAe] Tests
06 May 1991	p550	[MPAe] UHF, campaign start with Leicester U.
07 May 1991	p551, p552, p553	[MPAe] UHF, SEE
08 May 1991	p553, p554, p555	[MPAe] UHF, SEE
09 May 1991	p556, p557, p558	[MPAe] UHF, SEE
10 May 1991	p558, p559	[MPAe] SEE
11 May 1991	p559, p560, p561, p562	[MPAe] SEE
12 May 1991	p562	[MPAe] test SEE
13 May 1991	p563	[MPAe] UHF
14 May 1991	p563	[MPAe]
15 May 1991	p564, p565, p566, p567	[MPAe] SEE + UHF
16 May 1991	p568, p569, p570, p571, p572	[MPAe] SEE + UHF
17 May 1991	p573	[MPAe] tests
19 June 1991	p573, p574	[MPAe] tests
20 June 1991	p574	[MPAe] tests
21 June 1991	p574	[MPAe] tests
25 June 1991	p574	[MPAe] tests
26 June 1991	p574, p575	[MPAe] tests
30 June 1991	p575, p576	[MPAe] tests
01July 1991	p576	[MPAe] tests
03 July 1991	p576	[MPAe] tests
17 August 1991	p576	[MPAe] tests
18 August 1991	p576	[MPAe] test
19 August 1991	p577	[MPAe] EISCAT D region
20 August 1991	p577	[MPAe] EISCAT
22 August 1991	p577	[MPAe] test
23 August 1991	p578	[MPAe] test anomalous absorption.
24 August 1991	p578, p579	[MPAe] EISCAT, SEE.
25 August 1991	p580, p581, p582, p583	[MPAe] EISCAT, SEE.
26 August 1991	p584, p585	[MPAe] EISCAT, SEE.
27 August 1991	p586, p587	[MPAe] EISCAT, SEE.
28 August 1991	p587, p588	[MPAe] EISCAT, SEE.
29 August 1991	p588, p589	[MPAe] SEE.
30 August 1991	p589	[MPAe] test. Campaign end.
07 November 1991	p590	[MPAe] SWR tests
08 November 1991	p590	[MPAe] SWR tests
09 November 1991	p590	[MPAe] test
12 November 1991	p591, p592, p593,	[MPAe] SWR tests, ELF.
13 November 1991	p594, p595	[MPAe] LT, ELF; Yampolski
14 November 1991	p595, p595a, p595b	[MPAe] Akebono, EISCAT, ELF; Y. Yampolski
15 November 1991	p596	[MPAe] Akebono satellite, ELF, D region.
16 November 1991	p596, p597, p598	[MPAe]Akebono satellite; ELF
17 November 1991	p598, p599	[MPAe] ELF
18 November 1991	p599	[MPAe] Akebono satellite; ELF
19 November 1991	p599, p600, p601, p602	[EI] D-region; ELF
20 November 1991	p602, p603	G. Wannberg; [MPAe] H. Kohl; Y. Yampolski; ELF
21 November 1991	p603, p604, p605	G. Wannberg; [EI] D-region; [MPAe] Y. Yampolski; ELF
22 November 1991	p605	[EI] D-region; [MPAe] Yampolski
12 December 1991	p606	Test
13 December 1991	p606	Test