List of dates with missed/reconstructed data *

During these time intervals original data were partly or completely lost, and were reconstructed (when possible) later using either part of NM counters or the other (10-sec) channel.

* Periods shorter than 2 hours are not listed here.

1964, 1965, 1966, 1967, 1968, 1969, 1970, 1971, 1972, 1973, 1974, 1975, 1976, 1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984,

1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006 2007 2008
1964
time interval (date is in dd.mm.yyyy format)
data gaps/reconstruction
comment
01.06.1964 10:00 UT -
01.06.1964 13:00 UT .
no data available
...
11.08.1964 13:00 UT -
11.08.1964 19:00 UT .
no data available
...
12.08.1964 19:00 UT -
13.08.1964 10:00 UT .
no data available
...
24.08.1964 07:00 UT -
24.06.1964 13:00 UT .
no data available
...
25.08.1964 07:00 UT -
25.06.1964 13:00 UT .
no data available
...
1965
time interval (date is in dd.mm.yyyy format)
data gaps/reconstruction
comment
11.08.1965 04:00 UT -
11.08.1965 07:00 UT .
no data available
...
1966
time interval (date is in dd.mm.yyyy format)
data gaps/reconstruction
comment
22.01.1966 01:00 UT -
22.01.1966 07:00 UT .
no data available
...
18.11.1966 13:00 UT -
19.11.1966 07:00 UT .
no data available
...
1967
time interval (date is in dd.mm.yyyy format)
data gaps/reconstruction
comment
1968
time interval (date is in dd.mm.yyyy format)
data gaps/reconstruction
comment
1969
time interval (date is in dd.mm.yyyy format)
data gaps/reconstruction
comment
26.10.1969 15:00 UT -
27.10.1969 10:00 UT .
no data available
...
1970
time interval (date is in dd.mm.yyyy format)
data gaps/reconstruction
comment
13.01.1970 07:00 UT -
17.01.1970 07:00 UT .
no data available
...
17.01.1970 19:00 UT -
18.01.1970 13:00 UT .
no data available
...
22.02.1970 01:00 UT -
23.02.1970 10:00 UT .
no data available
...
24.02.1970 04:00 UT -
24.02.1970 13:00 UT .
no data available
...
26.02.1970 04:00 UT -
26.02.1970 10:00 UT .
no data available
...
07.03.1970 16:00 UT -
09.03.1970 07:00 UT .
no data available
...
25.04.1970 01:00 UT -
25.04.1970 07:00 UT .
no data available
...
06.05.1970 07:00 UT -
08.05.1970 22:00 UT .
no data available
...
03.06.1970 16:00 UT -
04.06.1970 07:00 UT .
no data available
...
11.06.1970 16:00 UT -
12.06.1970 12:00 UT .
no data available
...
1971
time interval (date is in dd.mm.yyyy format)
data gaps/reconstruction
comment
18.04.1971 22:00 UT -
19.04.1971 06:00 UT .
no data available
...
1972
time interval (date is in dd.mm.yyyy format)
data gaps/reconstruction
comment
10.06.1972 00:00 UT -
12.06.1972 07:00 UT .
no data available
...
08.07.1972 13:00 UT -
10.07.1972 07:00 UT .
no data available
...
12.07.1972 18:00 UT -
17.07.1972 11:00 UT .
no data available
...
1973
time interval (date is in dd.mm.yyyy format)
data gaps/reconstruction
comment
22.01.1973 18:00 UT -
23.01.1973 07:00 UT
no data available
...
1973
time interval (date is in dd.mm.yyyy format)
data gaps/reconstruction
comment
22.01.1973 18:00 UT -
23.01.1973 07:00 UT
no data available
...
30.01.1973 10:00 UT -
30.01.1973 14:00 UT
no data available
...
05.02.1973 07:00 UT -
05.02.1973 13:00 UT
no data available
...
12.02.1973 19:00 UT -
13.02.1973 07:00 UT
no data available
...
13.02.1973 18:00 UT -
14.02.1973 06:00 UT
no data available
...
06.03.1973 21:00 UT -
07.03.1973 09:00 UT
no data available
...
07.03.1973 18:00 UT -
08.03.1973 07:00 UT
no data available
...
29.03.1973 18:00 UT -
30.03.1973 06:00 UT
no data available
...
16.04.1973 03:00 UT -
16.04.1973 07:00 UT
no data available
...
24.05.1973 00:00 UT -
01.06.1973 08:00 UT
no data available
...
31.05.1973 13:00 UT -
01.06.1973 08:00 UT
no data available
...
28.06.1973 21:00 UT -
28.06.1973 24:00 UT
no data available
...
24.07.1973 16:00 UT -
25.07.1973 10:00 UT
no data available
...
08.09.1973 21:00 UT -
09.09.1973 08:00 UT
no data available
...
18.09.1973 22:00 UT -
19.09.1973 07:00 UT
no data available
...
23.09.1973 17:00 UT -
25.09.1973 07:00 UT
no data available
...
26.09.1973 07:00 UT -
27.09.1973 07:00 UT
no data available
...
02.10.1973 17:00 UT -
03.10.1973 17:00 UT
no data available
...
12.10.1973 11:00 UT -
12.10.1973 17:00 UT
no data available
...
1974
time interval (date is in dd.mm.yyyy format)
data gaps/reconstruction
comment
11.01.1974 13:00 UT -
11.01.1974 20:00 UT
no data available
...
1974
time interval (date is in dd.mm.yyyy format)
data gaps/reconstruction
comment
11.01.1974 13:00 UT -
11.01.1974 20:00 UT
no data available
...
23.03.1974 22:00 UT -
25.03.1974 08:00 UT
no data available
...
25.08.1974 06:00 UT -
26.08.1974 06:00 UT
no data available
...
10.10.1974 06:00 UT -
10.10.1974 10:00 UT
no data available
...
19.12.1974 12:00 UT -
20.12.1974 07:00 UT
no data available
...
1975
time interval (date is in dd.mm.yyyy format)
data gaps/reconstruction
comment
02.06.1975 19:00 UT -
03.06.1975 10:00 UT
no data available
...
24.06.1975 14:00 UT -
26.06.1975 09:00 UT
no data available
...
29.07.1975 03:00 UT -
29.07.1975 07:00 UT
no data available
...
07.09.1975 09:00 UT -
08.09.1975 07:00 UT
no data available
...
15.10.1975 06:00 UT -
15.10.1975 11:00 UT
no data available
...
1976
time interval (date is in dd.mm.yyyy format)
data gaps/reconstruction
comment
05.04.1976 06:00 UT -
05.04.1976 11:00 UT
no data available
...
26.04.1976 17:00 UT -
29.04.1976 06:00 UT
no data available
...
26.08.1976 21:00 UT -
30.08.1976 10:00 UT
no data available
...
11.10.1976 00:00 UT -
11.10.1976 07:00 UT
no data available
...
1977
time interval (date is in dd.mm.yyyy format)
data gaps/reconstruction
comment
29.06.1977 14:00 UT -
30.06.1977 06:00 UT
no data available
...
04.07.1977 07:00 UT -
04.07.1977 11:00 UT
no data available
...
1978
time interval (date is in dd.mm.yyyy format)
data gaps/reconstruction
comment
21.01.1978 04:00 UT -
23.01.1978 06:00 UT
no data available
...
17.02.1978 07:00 UT -
20.02.1978 06:00 UT
no data available
...
29.05.1978 06:00 UT -
30.05.1978 10:00 UT
no data available
...
1979
time interval (date is in dd.mm.yyyy format)
data gaps/reconstruction
comment
1980
time interval (date is in dd.mm.yyyy format)
data gaps/reconstruction
comment
27.07.1980 04:00 UT -
31.07.1980 10:00 UT
no data available
...
18.08.1980 07:00 UT -
19.08.1980 06:00 UT
no data available
...
26.12.1980
few short gaps
...
1981
time interval (date is in dd.mm.yyyy format)
data gaps/reconstruction
comment
31.01.1981 06:00 UT -
31.01.1981 11:00 UT
no data available
...
20.05.1981 13:00 UT -
21.05.1981 05:00 UT
no data available
...
16.10.1981 00:00 UT -
16.10.1981 06:00 UT
no data available
...
02.11.1981 02:00 UT -
02.11.1981 06:00 UT
no data available
...
21.12.1981 05:00 UT -
21.12.1981 08:00 UT
no data available
...
22.12.1981 15:00 UT -
23.12.1981 05:00 UT
no data available
...
1982
time interval (date is in dd.mm.yyyy format)
data gaps/reconstruction
comment
20.01.1982 UT -
22.01.1982 UT
few gaps
...
23.05.1982 00:00 UT -
23.05.1982 04:00 UT
no data available
...
23.05.1982 23:00 UT -
24.05.1982 02:00 UT
no data available
...
12.07.1982 22:00 UT -
13.07.1982 06:00 UT
no data available
...
16.07.1982 05:00 UT -
16.07.1982 16:00 UT
no data available
...
16.07.1982 22:00 UT -
19.07.1982 05:00 UT
no data available
...
23.07.1982 14:00 UT -
23.07.1982 22:00 UT
no data available
...
27.07.1982 14:00 UT -
27.07.1982 17:00 UT
no data available
...
29.07.1982 12:00 UT -
30.07.1982 08:00 UT
no data available
...
01.08.1982 15:00 UT -
01.08.1982 21:00 UT
no data available
...
02.08.1982 13:00 UT -
03.08.1982 05:00 UT
no data available
...
15.08.1982 01:00 UT -
16.08.1982 05:00 UT
no data available
...
26.08.1982 22:00 UT -
27.08.1982 03:00 UT
no data available
...
17.11.1982 13:00 UT -
17.11.1982 23:00 UT
no data available
...
1983
time interval (date is in dd.mm.yyyy format)
data gaps/reconstruction
comment
30.01.1983 11:00 UT -
31.01.1983 06:00 UT
no data available
...
16.07.1983 06:00 UT -
16.07.1983 12:00 UT
no data available
...
02.08.1983 06:00 UT -
02.08.1983 11:00 UT
no data available
...
05.08.1983 02:00 UT -
07.08.1983 18:00 UT
fragmentary data
system adjusting
09.08.1983 04:00 UT -
09.08.1983 11:00 UT
no data available
...
14.08.1983 05:00 UT -
14.08.1983 17:00 UT
no data available
...
1984
time interval (date is in dd.mm.yyyy format)
data gaps/reconstruction
comment
04.02.1984 20:00 UT -
05.02.1984 06:00 UT
no data available
...
05.02.1984 18:00 UT -
06.02.1984 23:00 UT
many gaps
...
29.02.1984 13:00 UT -
01.03.1984 05:00 UT
no data available
...
July 1984 UT
few gaps
...
17.12.1984 02:00 UT -
17.02.1984 05:00 UT
no data available
...
1985
time interval (date is in dd.mm.yyyy format)
data gap/reconstruction
comment
17.02.1985 22:00 UT -
18.02.1985 06:00 UT
no data available
...
02.09.1985 12:00 UT -
02.09.1985 14:00 UT
no data available
...
19.09.1985 18:00 UT -
20.09.1985 07:00 UT
no data available
...
1986
time interval (date is in dd.mm.yyyy format)
data gap/reconstruction
comment
1987
time interval (date is in dd.mm.yyyy format)
data gap/reconstruction
comment
01.04.1987 10:00 UT -
01.04.1987 12:00 UT
no data available
...
1988
time interval (date is in dd.mm.yyyy format)
data gap/reconstruction
comment
January 1988
few short data gaps
05.07.1988 03:00 UT -
07.07.1988 005:00 UT
no data available
...
21.07.1988 20:00 UT -
22.07.1988 05:30 UT
no data available
...
03.08.1988 10:00 UT -
04.08.1988 05:10 UT
no data available
...
24.08.1988 06:00 UT -
24.08.1988 11:15 UT
no data available
...
26.08.1988 05:00 UT -
29.08.1988 06:00 UT
no data available
...
09.09.1988 05:30 UT -
09.09.1988 08:00 UT
no data available
...
07.11.1988 UT -
24.11.1988 UT
few short data gaps
system testing
20.12.1988 13:00 UT -
21.12.1988 08:00 UT
pressure: reconstructed using Oulu airport data 
pressure sensor problem
1989
time interval (date is in dd.mm.yyyy format)
data gap/reconstruction
comment
28.04.1989 06:00 UT -
02.05.1989 05:10 UT
no data available
...
12.06.1989 UT -
14.06.1989 UT
several data gaps
system testing
11.08.1989 01:00 UT -
11.08.1989 05:30 UT
no data available
...
24.08.1989 10:00 UT -
25.08.1989 05:10 UT
no data available
...
03.10.1989 20:00 UT -
04.10.1989 07:00 UT
no data available
...
1990
time interval (date is in dd.mm.yyyy format)
data gap/reconstruction
comment
20.03.1990 06:00 UT -
21.03.1990 03:00 UT
count rate: using 10-sec data
pressure: polynomial interpolation;
main collecting system failure
26.04.1990 11:00 UT -
27.04.1990 05:15 UT
count rate: using 10-sec data
pressure: polynomial interpolation;
main collecting system failure
12.06.1990 14:00 UT -
13.06.1990 05:00 UT
count rate: using 10-sec data
pressure: polynomial interpolation;
main collecting system failure
27.06.1990 17:40 UT -
29.06.1990 13:00 UT
count rate: using 10-sec channel
pressure: using Oulu airport data 
main collecting computer was off
17.11.1990 10:00 UT -
19.11.1990 07:00 UT
count rate: using 10-sec channel
pressure: using Oulu airport data 
main collecting computer was off
24.11.1990 14:00 UT -
26.11.1990 19:00 UT
count rate: using 10-sec channel
pressure: using Oulu airport data 
main collecting computer was off
1991
time interval (date is in dd.mm.yyyy format)
data gap/reconstruction
comment
03.01.1991 13:30 UT -
04.01.1991 14:00 UT
count rate: using 10-sec data
pressure: polynomial interpolation;
main collecting system failure
04.01.1991 22:45 UT -
05.01.1991 08:25 UT
count rate: using 10-sec data
pressure: polynomial interpolation;
main collecting system failure
1992
time interval (date is in dd.mm.yyyy format)
data gap/reconstruction
comment
07.08.1992 02:00 UT -
07.08.1992 07:30 UT
count rate: using 10-sec data
pressure: polynomial interpolation;
main collecting system failure
21.08.1992 09:00 UT -
24.08.1992 08:50 UT
count rate: using 10-sec channel
pressure: large systematic errors are possible 
main collecting computer was off
30.11.1992 06:50 UT -
30.11.1992 10:30 UT
no data available
...
1993
time interval (date is in dd.mm.yyyy format)
data gap/reconstruction
comment
17.05.1993 05:00 UT -
17.05.1993 18:15 UT
count rate: using 10-sec data
pressure: binomial interpolation;
main collecting system failure
31.08.1993 06:00 UT -
31.08.1993 10:40 UT
count rate: using 10-sec data
pressure: binomial interpolation;
main collecting system failure
September 1993 - October 1993
gaps of several hours cover ~25 %
count rate: using 10-sec data
pressure: original data;
contact me for exact dates and times
31.10.1993 06:10 UT -
01.11.1993 06:00 UT
count rate: using 10-sec data
pressure: binomial interpolation;
main collecting system failure
02.11.1993 04:00 UT -
02.11.1993 06:00 UT
count rate: using 10-sec data
pressure: binomial interpolation;
main collecting system failure
04.11.1993 12:00 UT -
05.11.1993 06:00 UT
count rate: using 10-sec data
pressure: original data;
main collecting system failure
08.11.1993 10:00 UT -
08.11.1993 14:00 UT
no data available
...
22.11.1993 10:00 UT -
22.11.1993 12:00 UT
count rate: using 10-sec data
pressure: binomial interpolation;
main collecting system failure
30.11.1993 08:00 UT -
01.12.1993 06:00 UT
count rate: using 10-sec data
pressure: binomial interpolation;
main collecting system failure
1994
time interval (date is in dd.mm.yyyy format)
data gap/reconstruction
comment
26.01.1994 08:00 UT -
26.01.1994 13:25 UT
count rate: using 10-sec data
pressure: original data;
main collecting system problem
28.02.1994 03:00 UT -
28.02.1994 07:00 UT
count rate: using 10-sec data
pressure: original data;
main collecting system problem
28.02.1994 12:10 UT -
28.02.1994 14:00 UT
count rate: using 10-sec data
pressure: original data;
main collecting system problem
13.04.1994 06:00 UT -
13.04.1994 10:50 UT
count rate: using 10-sec data
pressure: original data;
main collecting system problem
11.05.1994 04:0 UT -
12.05.1994 04:30 UT
count rate: using 10-sec data
pressure: original data;
main collecting system problem
26.06.1994 16:25 UT -
27.07.1994 06:20 UT
count rate: using 10-sec data, channels A and B,
pressure: original data;
main collecting system problem
01.07.1994 08:00 UT -
04.07.1994 09:30 UT
count rate: using 10-sec channel
pressure: using Oulu airport data 
main collecting computer was off
04.07.1994 22:00 UT -
06.07.1994 08:00 UT
count rate: using 10-sec channel
pressure: large systematic errors are possible 
main collecting computer was off
12.07.1994 01:10 UT -
12.07.1994 06:15 UT
count rate: using 10-sec channel
pressure: original data;
main collecting system problem
13.07.1994 07:10 UT -
13.07.1994 11:00 UT
count rate: using 10-sec data, channels A and B,
pressure: original data;
main collecting system problem
13.07.1994 18:10 UT -
15.07.1994 05:00 UT
count rate: using 10-sec data, channels A and B,
pressure: original data;
main collecting system problem
15.07.1994 15:00 UT -
01.08.1994 05:30 UT
count rate:  using 2 sections
pressure: original data
one section was off
20.10.1994 07:00 UT -
20.10.1994 14:00 UT
no data available 
...
22.12.1994 09:00 UT -
23.12.1994 06:00 UT
no data available 
new collecting system installation
23.12.1994 06:00 UT -
31.12.1994 24:00 UT
count rate:  using sections A and B
pressure: original data
section C was off
1995
time interval (date is in dd.mm.yyyy format)
data gap/reconstruction
comment
01.01.1995 00:00 UT -
01.04.1995 07:00 UT
count rate:  using sections A and B
pressure: original data
installation of new collecting system
10.02.1995 10:00 UT -
14.02.1995 09:00 UT
no data available 
new collecting system installation
17.02.1995 06:00 UT -
17.02.1995 07:00 UT
count rate:  using 10-sec channel data
pressure: linearly interpolated semi-hourly data
new collecting system installation
24.02.1995 16:00 UT -
24.02.1995 17:00 UT
no data available 
new collecting system installation
25.02.1995 21:00 UT -
25.02.1995 22:00 UT
no data available 
new collecting system installation
01.03.1995 00:00 UT -
01.11.1995 06:15 UT
pressure may be 1-hour shifted  
05.03.1995 09:00 UT -
08.03.1995 09:00 UT
no data available 
new collecting system installation
28.05.1995 07:30 UT -
29.05.1995 05:15 UT
count rate:  using sections A and B
pressure: original data
installation of new collecting system
02.06.1995 17:05 UT -
05.06.1995 06:20 UT
count rate:  using sections A and C data
pressure: original data
noise in section B channel
12.06.1995 07:15 UT -
14.06.1995 05:15 UT
count rate:  using sections A and C data
pressure: original data
noise in section B channel
06.07.1995 23:10 UT -
09.07.1995 11:40 UT
count rate:  using sections A and B data
pressure: original data
section C was off
13.07.1995 05:00 UT -
14.07.1995 06:25 UT
no data available 
...
30.07.1995 00:00 UT -
31.07.1995 05:25 UT
no data available 
...
23.08.1995 21:00 UT -
24.08.1995 05:00 UT
no data available 
...
26.08.1995 01:00 UT -
28.08.1995 05:00 UT
no data available 
...
01.09.1995 09:00 UT -
01.09.1995 12:20 UT
no data available 
...
08.09.1995 10:00 UT -
08.09.1995 11:20 UT
no data available 
...
18.09.1995 12:00 UT -
18.09.1995 16:00 UT
no data available 
...
19.09.1995 20:00 UT -
19.09.1995 20:50 UT
no data available 
...
20.09.1995 17:00 UT -
20.09.1995 18:50 UT
no data available 
...
27.09.1995 09:20 UT -
27.09.1995 12:30 UT
no data available 
...
11.09.1995 09:00 UT -
11.09.1995 10:40 UT
no data available 
...
04.11.1995 22:00 UT -
05.11.1995 22:00 UT
only 5-min data available 
1-min data are lost
24.11.1995 02:00 UT -
25.11.1995 15:00 UT
pressure: using Oulu airport data 
pressure sensor failure
29.11.1995 22:00 UT -
30.11.1995 07:10 UT
only 5-min data available 
1-min data are lost
07.12.1995 22:00 UT -
08.12.1995 12:24 UT
only 1-hour data available 
software problem
20.12.1995 09:14 UT -
20.12.1995 09:42 UT
no data available 
...
21.12.1995 11:38 UT -
21.12.1995 11:51 UT
no data available 
...
1996
time interval (date is in dd.mm.yyyy format)
data gap/reconstruction
comment
02.01.1996 06:49 UT -
02.01.1996 07:20 UT
no data available 
power break
27.02.1996 07:24 UT -
28.02.1996 06:01 UT
count rate:  using 10-sec channel data
pressure: linearly interpolated semi-hourly data
1-min channel was off
11.03.1996 13:02 UT -
12.03.1996 07:10 UT
count rate:  using 10-sec channel data
pressure: linearly interpolated semi-hourly data
1-min channel was off
13.03.1996 10:53 UT -
15.03.1996 08:00 UT
count rate:  using 10-sec channel data
pressure: linearly interpolated semi-hourly data
1-min channel was off
25.03.1996 07:45 UT -
26.03.1996 06:30 UT
count rate:  using 10-sec channel data
pressure: linearly interpolated semi-hourly data
1-min channel was off
31.03.1996 22:00 UT -
01.04.1996 07:30 UT
count rate:  using 10-sec channel data
pressure: linearly interpolated semi-hourly data
1-min channel was off
03.05.1996 22:00 UT -
05.05.1996 09:00 UT
count rate:  using 10-sec channel data
pressure: linear interpolation of semi-hourly data
1-min channel failure
13.05.1996 16:00 UT -
14.05.1996 05:00 UT
count rate:  using sections B and C data
pressure: original data
section A was off
29.05.1996 13:00 UT -
31.05.1996 06:00 UT
count rate:  using sections A and C data
pressure: original data
section B was off
05.08.1996 13:00 UT -
06.08.1996 06:00 UT
count rate:  using sections B and C data
pressure: original data
section A was off
05.09.1996 19:00 UT -
06.09.1996 05:00 UT
count rate:  using sections B and C data
pressure: original data
section A was off
06.10.1996 22:00 UT -
07.10.1996 22:00 UT
count rate:  using 10-sec channel data
pressure: linear interpolation of hourly data
1-min channel was off
29.10.1996 22:00 UT -
30.10.1996 22:00 UT
count rate:  using 10-sec channel data
pressure: linear interpolation of hourly data
1-min channel was off
04.11.1996 22:00 UT -
04.11.1996 22:00 UT
count rate:  using 10-sec channel data
pressure: linear interpolation of hourly data
1-min channel was off
1997
time interval (date is in dd.mm.yyyy format)
data gap/reconstruction
comment
23.02.1997 22:00 UT -
24.02.1997 22:00 UT
count rate:  using 10-sec channel data
pressure: linear interpolation of hourly data
1-min channel was off
13.03.1997 22:10 UT -
14.03.1997 06:00 UT
count rate:  using 10-sec channel data
pressure: linear interpolation of hourly data
1-min channel was off
18.03.1997 22:00 UT -
19.03.1997 06:00 UT
count rate:  using 10-sec channel data
pressure: linear interpolation of hourly data
1-min channel was off
13.04.1997 22:10 UT -
15.04.1997 05:00 UT
count rate:  using 10-sec channel data
pressure: linear interpolation of hourly data
1-min channel was off
19.08.1997 00:00 UT -
19.08.1997 03:01 UT
no data available 
power break
21.08.1997 02:21 UT -
21.08.1997 02:43 UT
no data available 
power break
1998
time interval (date is in dd.mm.yyyy format)
data gap/reconstruction
comment
11.07.1998 22:00 UT -
12.07.1998 14:13 UT
count rate:  using 10-sec channel data
pressure: linear interpolation of hourly data
1-min channel was off
18.11.1998 08:10 UT -
19.11.1998 06:00 UT
count rate:  using 10-sec channel data
pressure: linear interpolation of hourly data
1-min channel was off
1999
time interval (date is in dd.mm.yyyy format)
data gap/reconstruction
comment
04.02.1999 06:00 UT -
05.02.1999 06:00 UT
count rate:  using sections B and C data
pressure: original data
section A was off
04.02.1999 11:00 UT -
05.02.1999 06:00 UT
count rate:  using sections B and C data
pressure: original data
section A was off
06.02.1999 09:00 UT -
08.02.1999 09:00 UT
count rate:  using sections B and C data
pressure: original data
section A was off
11.04.1999 22:10 UT -
12.04.1999 07:00 UT
count rate:  using 10-sec channel data
pressure: linear interpolation of hourly data
1-min channel was off
2000
time interval (date is in dd.mm.yyyy format)
data gap/reconstruction
comment
10.01.2000 00:00 UT -
10.01.2000 12:00 UT
count rate: using 10-sec collecting channel
pressure: binomial interpolation
software problem
19.10.2000 06:00 UT -
19.10.2000 16:00 UT
count rate: using 10-sec collecting channel
pressure: binomial interpolation
installation of a new web-server for NM
23.10.2000 15:00 UT -
24.10.2000 06:22 UT
count rate: using 10-sec collecting channel
pressure: binomial interpolation + meteorological data
testing of the new web-server and automatic data transfer
2002
time interval (date is in dd.mm.yyyy format)
data gap/reconstruction
comment
28.09.2002 00:00 UT -
28.09.2002 13:48 UT
count rate: using 10-sec collecting channel
pressure: binomial interpolation
software problem
19.12.2002 13:30 UT -
20.12.2002 13:00 UT
count rate:  using sections A and B data
pressure: original data
failure of section C high voltage supplier
2003
time interval (date is in dd.mm.yyyy format)
data gap/reconstruction
comment
20.02.2003 00:00 UT -
21.02.2003 00:00 UT
count rate: using sections A and B
pressure: original data
section C was used for testing purposes
17.06.2003 17:00 UT -
17.06.2003 19:15 UT
no data available
power break
06.10.2003 UT -
08.10.2003
only one section (C) was working
hardware failure
08.10.2003 09 UT -
10.10.2003 14 UT
only two sections (B and C) were working
hardware failure
10.10.2003 14 UT -
17.12.2003
Section A is based on 2 counter tubes
hardware reconstruction
2005
time interval (date is in dd.mm.yyyy format)
data gap/reconstruction
comment
05.07.2005 10:00 UT -
05.07.2005 14:30 UT
count rate: using 10-sec channel
pressure: interpolation
recovery of the web-server after crash
30.08.2005 10:00 UT -
02.09.2005 05:40 UT
Section A was off
count rate - using sections B and C
cable break
2006
time interval (date is in dd.mm.yyyy format)
data gap/reconstruction
comment
29.08.2006 09:00 UT -
30.08.2006 06:05 UT
count rate: using 10-sec channel
pressure: FMI data, interpolation
software problem on the collecting computer
02.09.2006 00:00 UT -
03.09.2006 13:17 UT
count rate: using 10-sec channel
pressure: FMI data, interpolation
software problem on the collecting computer
04.09.2006 00:00 UT -
04.09.2006 05:30 UT
count rate: using 10-sec channel
pressure: FMI data, interpolation
software problem on the collecting computer
2007
time interval (date is in dd.mm.yyyy format)
data gap/reconstruction
comment
21.01.2007 15:00 UT -
22.01.2007 06:51 UT
count rate: using 10-sec channel
pressure: FMI data, interpolation
GPS timing error
05.02.2007 00:00 UT -
05.02.2007 06:52 UT
count rate: using 10-sec channel
pressure: FMI data, interpolation
GPS timing error
03.07.2007 21:00 UT -
04.07.2007 06:00 UT
count rate: using 10-sec channel
pressure: interpolation
collecting computer crash
05.08.2007 07:00 UT -
07.08.2007 11:05 UT
count rate: using 10-sec channel
pressure: VTT Oulu data
collecting computer crash
2008
time interval (date is in dd.mm.yyyy format)
data gap/reconstruction
comment
10.11.2008 10:55 UT -
10.11.2008 11:25 UT
data gap
power break

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Last modified 10.11.2008 by Ilya Usoskin