The following listing summarizes CEDAR Database holdings for incoherent scatter radars and for HF radars. These are:
JRO= Jicamarca, Peru
ARO= Arecibo, Puerto Rico
MUI= Middle and Upper atmosphere radar (MU), Japan
STS= Saint Santin, France
MLH= Millstone Hill, MA, USA
KKV= Kharkov, Ukraine
IST= Irkutsk, Russia
EIS= EISCAT, Tromsø, Norway
SON= Sondrestrom, Greenland
CHT= Chatanika, AK, USA
ESR= EISCAT Svalbard Radar, Norway
HHF= Halley, Antarctica
SAN= SANAE, Antarctica
SYF= Syowa, Antarctica
SYE= Syowa-East, Antarctica
KGF= Kerguelen Island
KHF= Kapuskasing, Canada
SHF= Saskatoon, Canada
GBF= Goose Bay, Canada
FHF= Hankasalmi, Finland
WHF= Stokkseyri, Iceland
EHF= Pykkvibaer, Iceland
The daily Ap is given as well. Each line contains as many as seven days. An entry of N, T, and/or V in the following table signifies that at least one data point is available during that UT day. Proxy F-region ion drifts from the 150-km echoes from the JULIA coherent radar at Jicamarca are shown by an entry of J. An entry of F implies that there are Fabry-Perot data available in the CEDAR Database on that day (or month, in the case of Arequipa) as well. Similarly, an entry of D implies the presence of Digisonde ion drift data in the CEDAR Database on that day also. The significance of the symbols is as follows:
N - data related to electron density
T - data related to temperatures
V - data related to velocities
J - JULIA proxy ion drifts (V) from 150-km echoes
F - ancillary Fabry-Perot data
D - ancillary Digisonde ion drift data
------------------------------------- I.S. OR H.F. RADAR OBSERVATORY ------------------------------------
OPERATING DAYS JRO ARO MU STS MLH KKF IST EIS SON/CHT ESR HHF SAN SYF SYE KGF KHF SHF GBF FHF WHF EHF ACTIVITY INDEX - Ap
-------------- ---- ---- ---- ---- ---- ---- ---- ---- ----- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----------------------------
66 Jan 25-26 NTV 11 14
66 Mar 1- 2 NTV 3 3
66 Mar 29-30 NTV 12 6
66 Apr 13-15 NTV 15 8 4
66 Apr 27 NTV 1
66 Jun 2- 3 NTV 10 7
66 Jun 16-17 NTV 6 4
66 Jun 30 NTV 6
66 Jul 1 NTV 5
66 Jul 14-15 NT 4 8
66 Aug 9-10 NT 9 12
66 Aug 19-20 NT 20 7
66 Sep 2- 3 NT 15 92
66 Sep 16-17 NT 10 9
66 Sep 20-21 NTV 21 10
66 Oct 1- 2 NT 6 3
66 Oct 6- 7 NTV 22 8
66 Nov 3- 4 NTV 17 9
66 Nov 11-16 NT 6 8 7 2 4 4
66 Nov 17-18 NTV 11 12
66 Nov 22-24 NTV 3 2 6
66 Nov 30 NT 28
66 Dec 1- 2 NT 17 6
66 Dec 7 NT 4
66 Dec 9 NT 3
66 Dec 11 NTV 3
66 Dec 12 NT NTV 2
66 Dec 13-15 NT 20 48 18
66 Dec 16 NT NTV 8
66 Dec 17 NT 9
66 Dec 19-23 NT 3 7 12 14 8
66 Dec 30-31 NTV 6 3
67 Jan 2- 7 NT 7 10 2 3 6 28
67 Jan 10-11 NT NTV 4 16
67 Jan 12-15 NT 2 26 61 9
67 Jan 16 NT NTV 9
67 Jan 17-18 NT 4 5
67 Jan 19-25 NT 5 13 9 4 5 2 5
67 Feb 1- 2 NT 4 2
67 Feb 3- 4 NT 2 11
67 Feb 8 NT 46
67 Feb 9-10 NT NTV 8 2
67 Feb 11 NT 11
67 Feb 16 NT 64
------------------------------------- I.S. OR H.F. RADAR OBSERVATORY ------------------------------------
OPERATING DAYS JRO ARO MU STS MLH KKF IST EIS SON/CHT ESR HHF SAN SYF SYE KGF KHF SHF GBF FHF WHF EHF ACTIVITY INDEX - Ap
-------------- ---- ---- ---- ---- ---- ---- ---- ---- ----- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----------------------------
67 Feb 17 NT NT 15
67 Feb 18 NT 5
67 Feb 21-22 NT NT 6 7
67 Feb 23 NT 14
67 Feb 24-25 NT NTV 4 15
67 Feb 27-28 NT 5 4
67 Mar 1 NT 5
67 Mar 3- 4 NT 8 6
67 Mar 6- 7 NT 8 5
67 Mar 11-13 NTV 2 2 5
67 Mar 22-24 NT 4 4 3
67 Mar 27 NT 18
67 Mar 29 NT 6
67 Mar 30-31 NT NTV 11 3
67 Apr 1 NTV 18
67 Apr 5 NT NT 11
67 Apr 6 NT 12
67 Apr 8- 9 NTV 5 5
67 Apr 12-17 NT 4 2 3 4 10 10
67 Apr 20-22 NT 7 7 18
67 Apr 24 NTV 29
67 Apr 25 NT NT NTV 8
67 Apr 26 NT NT 3
67 Apr 27-28 NT 3 3
67 May 1- 3 NT 14 25 87
67 May 8- 9 NTV 5 5
67 May 12 NT 13
67 May 16 NT 6
67 May 17-18 NT 11 7
67 May 23 NTV 9
67 May 24 NT NTV 11
67 May 25-31 NT 130 146 20 55 45 42 43
67 Jun 1- 2 NT 4 9
67 Jun 6- 7 NTV 46 22
67 Jun 8- 9 NT 15 14
67 Jun 12 NT 5
67 Jun 16 NT NT 6
67 Jun 17-18 NT 9 4
67 Jun 22-25 NT 5 4 4 24
67 Jun 27 NT NTV 19
67 Jun 28 NTV 10
67 Jul 1- 3 NTV 17 7 4
67 Jul 6- 7 NT 8 12
67 Jul 12-13 NT 8 7
67 Jul 17 NT 4
67 Jul 18-19 NT NTV 7 4
67 Jul 20-21 NT 5 5
67 Jul 25-26 NT 11 6
67 Jul 31 NT 2
------------------------------------- I.S. OR H.F. RADAR OBSERVATORY ------------------------------------
OPERATING DAYS JRO ARO MU STS MLH KKF IST EIS SON/CHT ESR HHF SAN SYF SYE KGF KHF SHF GBF FHF WHF EHF ACTIVITY INDEX - Ap
-------------- ---- ---- ---- ---- ---- ---- ---- ---- ----- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----------------------------
67 Aug 1 NTV 4
67 Aug 2 NT NTV 2
67 Aug 3 NT 3
67 Aug 8 NT 11
67 Aug 10-11 NT NT 13 24
67 Aug 12 NT 8
67 Aug 14 NT 10
67 Aug 15-16 NT NTV 6 8
67 Aug 17-18 NT 19 14
67 Aug 23 NT 5
67 Aug 28 NT 6
67 Aug 29-30 NT NTV 8 10
67 Aug 31 NT 11
67 Sep 1- 2 NT 25 18
67 Sep 5- 6 NT 4 4
67 Sep 7- 8 NT NT 9 9
67 Sep 12-13 NT NTV 4 29
67 Sep 26-27 NTV 4 5
67 Oct 10-11 NT NTV 33 13
67 Oct 12 NT NT 19
67 Oct 13 NT 9
67 Oct 24-27 NT 4 3 3 10
67 Oct 28-30 NT NTV 25 25 15
67 Nov 3 NT 23
67 Nov 8- 9 NTV 18 10
67 Nov 10-11 NT 4 17
67 Nov 16-17 NT 9 2
67 Nov 20 NT 2
67 Nov 22 NT 13
67 Nov 23 NT NT 8
67 Nov 24-25 NT 20 11
67 Nov 28 NT 17
67 Nov 29-30 NT NTV 14 13
67 Dec 1 NTV 33
67 Dec 6- 7 NT NTV 21 20
67 Dec 12-14 NT 6 5 4
67 Dec 18 NT 19
67 Dec 19-20 NT NTV 30 32
67 Dec 21 NT 16
67 Dec 26-27 NT 7 9
67 Dec 29 NT 6
68 Jan 2- 3 NT NTV 35 9
68 Jan 4 NT 7
68 Jan 16-17 NT NTV 13 13
68 Jan 18 NT 10
68 Jan 23-24 NT 10 10
68 Jan 29 NT 16
68 Jan 31 NTV 8
68 Feb 1 NTV 10
------------------------------------- I.S. OR H.F. RADAR OBSERVATORY ------------------------------------
OPERATING DAYS JRO ARO MU STS MLH KKF IST EIS SON/CHT ESR HHF SAN SYF SYE KGF KHF SHF GBF FHF WHF EHF ACTIVITY INDEX - Ap
-------------- ---- ---- ---- ---- ---- ---- ---- ---- ----- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----------------------------
68 Feb 22-23 NT 10 5
68 Feb 27 NT 8
68 Feb 28 NT NTV 30
68 Feb 29 NTV 18
68 Mar 1 NTV 10
68 Mar 13-14 NT 5 23
68 Mar 16 NTV 26
68 Mar 17 NT NTV 12
68 Mar 26 NT 14
68 Mar 27 NT NTV 16
68 Mar 28-29 NTV 12 14
68 Apr 2- 4 NT 12 13 9
68 Apr 9-10 NTV 2 6
68 Apr 12-13 NT 11 23
68 Apr 22 NTV 8
68 Apr 23-24 NT NTV 12 8
68 Apr 25-26 NT 5 26
68 Apr 30 NT 7
68 May 1- 2 NT 13 14
68 May 7- 8 NTV 53 7
68 May 15-18 NT 9 11 15 17
68 May 28-29 NT 6 9
68 Jun 5- 6 NT 5 5
68 Jun 11 NT NTV 103
68 Jun 12 NT NT NTV 38
68 Jun 13 NT 48
68 Jun 20-21 NT 7 3
68 Jun 24 NT 2
68 Jun 25-26 NT NT NTV 4 14
68 Jun 27 NT 11
68 Jul 1 NT 10
68 Jul 3- 4 NT 16 10
68 Jul 8 NT 6
68 Jul 9 NT NT NTV 4
68 Jul 10 NT NTV 35
68 Jul 11-12 NT 10 7
68 Jul 16-17 NT 9 6
68 Jul 22 NT 19
68 Jul 23-24 NT NTV 11 3
68 Jul 25 NT 7
68 Jul 30-31 NT 7 5
68 Aug 6- 7 NT NT NTV 16 13
68 Aug 8- 9 NT 14 13
68 Aug 26 NT 4
68 Aug 27-28 NT NTV 5 4
68 Sep 3 NT 18
68 Sep 4- 5 NT NTV 14 12
68 Sep 13 NT 43
------------------------------------- I.S. OR H.F. RADAR OBSERVATORY ------------------------------------
OPERATING DAYS JRO ARO MU STS MLH KKF IST EIS SON/CHT ESR HHF SAN SYF SYE KGF KHF SHF GBF FHF WHF EHF ACTIVITY INDEX - Ap
-------------- ---- ---- ---- ---- ---- ---- ---- ---- ----- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----------------------------
68 Sep 23 NT 22
68 Sep 24 NT NT NTV 4
68 Sep 25 NT NTV 2
68 Oct 7- 9 NT 15 7 9
68 Oct 10-12 NT 6 2 51
68 Oct 15-18 NT 5 5 9 8
68 Oct 20 NTV 7
68 Oct 21-23 NT NTV 2 1 3
68 Oct 31 NT 112
68 Nov 1- 4 NT 122 82 35 27
68 Nov 5 NT NT 6
68 Nov 6- 7 NT NT NTV 7 17
68 Nov 8 NTV 10
68 Nov 19-20 NT NT NTV 6 17
68 Nov 21 NT 6
68 Dec 3- 4 NT 18 21
68 Dec 13-14 NT 6 3
68 Dec 16 NT 8
68 Dec 17-18 NT NT 4 7
68 Dec 20-21 NT 3 13
68 Dec 23-24 NT NT 14 9
68 Dec 27-28 NT 13 5
68 Dec 30-31 NT 8 11
69 Jan 7- 8 NT 9 8
69 Jan 28-29 NT NTV 5 2
69 Jan 30 NT 6
69 Feb 5-11 NTV 10 16 9 9 4 12 62
69 Feb 12 NTV 10
69 Feb 17-19 NT 4 1 8
69 Feb 24 NT 6
69 Feb 26-28 NT 12 32 15
69 Mar 4- 6 NT 6 10 14
69 Mar 17-20 NT 38 11 17 22
69 Mar 25-27 NT 22 10 6
69 Mar 31 NTV 15
69 Apr 1 NTV 24
69 Apr 3 NT 17
69 Apr 9 NT 12
69 Apr 10 NT NT 6
69 Apr 11-15 NT 7 11 20 16 14
69 Apr 16-17 NT NT 17 21
69 Apr 22 NT 10
69 Apr 23-24 NT NTV 5 9
69 Apr 28-29 NT 60 12
69 Apr 30 NT 27
69 May 6- 8 NTV 8 5 5
69 May 13-14 NT 39 50
------------------------------------- I.S. OR H.F. RADAR OBSERVATORY ------------------------------------
OPERATING DAYS JRO ARO MU STS MLH KKF IST EIS SON/CHT ESR HHF SAN SYF SYE KGF KHF SHF GBF FHF WHF EHF ACTIVITY INDEX - Ap
-------------- ---- ---- ---- ---- ---- ---- ---- ---- ----- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----------------------------
69 May 27-28 NT 3 9
69 May 30-31 NTV 11 12
69 Jun 1 NTV 5
69 Jun 24-25 NTV 12 10
69 Jun 26-27 NT 6 5
69 Jul 15-16 NTV 5 10
69 Jul 29-30 NTV 2 13
69 Aug 12-13 NTV 21 7
69 Aug 26-27 NTV 15 21
69 Sep 9 NTV 10
69 Sep 10 NT NTV 8
69 Sep 11 NTV 8
69 Sep 23-24 NT NTV 7 6
69 Oct 7- 8 NTV 6 3
69 Oct 21-22 NTV 8 7
69 Nov 13-14 NT NTV 5 2
69 Nov 15 NT 2
69 Nov 25-26 NTV 6 11
69 Dec 9-10 NTV 12 8
69 Dec 23-24 NTV 11 9
70 Jan 6- 7 NTV 5 5
70 Jan 19-22 NTV 5 7 6 5
70 Feb 4 NT 12
70 Feb 5 NT NTV 10
70 Feb 6 NTV 4
70 Feb 17-19 NTV 10 9 4
70 Mar 3- 4 NTV 15 16
70 Mar 14-15 NT 3 7
70 Mar 17-18 NTV 5 6
70 Mar 31 NTV 51
70 Apr 1 NTV 6
70 Apr 14-15 NTV 3 5
70 Apr 28-29 NTV 5 7
70 May 12-13 NTV 15 6
70 May 27-28 NTV 15 45
70 Jun 2- 3 NT 9 11
70 Jun 9-10 NTV 5 6
70 Jun 18-19 NT 27 8
70 Jun 26-27 NTV 13 35
70 Jul 7- 8 NTV 5 10
70 Jul 21-22 NTV 30 12
------------------------------------- I.S. OR H.F. RADAR OBSERVATORY ------------------------------------
OPERATING DAYS JRO ARO MU STS MLH KKF IST EIS SON/CHT ESR HHF SAN SYF SYE KGF KHF SHF GBF FHF WHF EHF ACTIVITY INDEX - Ap
-------------- ---- ---- ---- ---- ---- ---- ---- ---- ----- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----------------------------
70 Aug 4- 5 NTV 4 3
70 Aug 18-19 NTV 36 14
70 Sep 1- 2 NTV 23 18
70 Sep 15-16 NTV 11 8
70 Oct 1- 2 NTV 10 9
70 Oct 13-14 NTV 9 8
70 Oct 28 NTV 15
70 Oct 30-31 NTV 9 4
70 Nov 1- 2 NTV 2 4
70 Nov 6-11 NTV 12 58 8 8 17 20
70 Dec 22-23 NTV 6 7
71 Jan 20-21 NTV 29 12
71 Feb 18-19 NTV 12 9
71 Mar 30-31 NTV 9 26
71 Apr 26-27 NTV 5 8
71 May 11-12 NTV 4 4
71 May 22-23 NTV 5 11
71 Jun 7- 9 NTV 3 7 3
71 Jul 6- 9 NTV 9 3 8 6
71 Jul 20-21 NTV 4 21
71 Aug 3- 4 NTV 4 7
71 Aug 11-12 NTV 15 10
71 Aug 31 NTV 32
71 Sep 1 NTV 10
71 Sep 23-24 NTV 2 6
71 Sep 29-30 NTV 6 23
71 Oct 19-20 NTV 2 4
71 Nov 2- 3 NTV 3 3
71 Nov 16-17 NTV 2 1
71 Nov 30 NTV 5
71 Dec 1 NTV 6
71 Dec 14-15 NTV 3 3
71 Dec 20-21 NTV 3 10
71 Dec 29-30 NTV 15 16
72 Jan 4- 5 NTV NTV 10 6
72 Jan 25-31 NTV 17 22 15 23 14 9 7
------------------------------------- I.S. OR H.F. RADAR OBSERVATORY ------------------------------------
OPERATING DAYS JRO ARO MU STS MLH KKF IST EIS SON/CHT ESR HHF SAN SYF SYE KGF KHF SHF GBF FHF WHF EHF ACTIVITY INDEX - Ap
-------------- ---- ---- ---- ---- ---- ---- ---- ---- ----- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----------------------------
72 Feb 1 NTV 7
72 Feb 2- 3 NTV 13 9
72 Feb 17-18 NTV 22 12
72 Feb 24-25 NTV 33 16
72 Feb 29 NTV 2
72 Mar 1 NTV 8
72 Mar 28 NTV 11
72 Mar 29 NTV NTV 22
72 Mar 30 NTV 27
72 Apr 6- 7 NTV 8 8
72 Apr 12-13 NTV 10 12
72 May 2- 3 NTV 18 7
72 May 16-17 NTV NTV 18 9
72 May 30-31 NTV 14 12
72 Jul 9-11 NTV 6 7 6
72 Jul 12 NTV NTV 7
72 Jul 13 NTV 3
72 Jul 19-20 NTV 8 5
72 Aug 8 NTV 9
72 Aug 9 NTV NTV 74
72 Aug 10 NTV 18
72 Aug 17-18 NTV NTV 6 13
72 Aug 29-30 NTV 8 6
72 Aug 31 NTV 7
72 Sep 1 NTV 5
72 Sep 6- 7 NTV 10 5
72 Sep 12-13 NTV 5 53
72 Oct 3- 4 NTV 4 7
72 Oct 24-25 NTV 11 6
72 Nov 3- 4 NTV 13 6
72 Nov 15-16 NTV 17 31
72 Nov 23-24 NTV 11 5
72 Nov 29-30 NTV 9 4
72 Dec 11-12 NTV 3 8
72 Dec 17-20 NTV 13 8 7 4
73 Jan 16-17 NTV 8 5
73 Mar 20-21 NTV 80 58
73 Jun 19-25 NTV 38 18 6 3 10 34 6
73 Oct 30-31 NTV 28 19
73 Nov 13-14 NTV 10 8
73 Nov 22-23 NTV 7 8
------------------------------------- I.S. OR H.F. RADAR OBSERVATORY ------------------------------------
OPERATING DAYS JRO ARO MU STS MLH KKF IST EIS SON/CHT ESR HHF SAN SYF SYE KGF KHF SHF GBF FHF WHF EHF ACTIVITY INDEX - Ap
-------------- ---- ---- ---- ---- ---- ---- ---- ---- ----- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----------------------------
73 Dec 18-19 NTV 3 13
74 Jan 15-16 NTV 15 15
74 Jan 22-23 NTV 5 4
74 Feb 12-13 NTV 40 20
74 Feb 26-27 NTV 28 26
74 Mar 19-20 NTV 2 23
74 Apr 3- 4 NTV 39 35
74 Apr 16-17 NTV 4 6
74 Apr 29-30 NTV 19 16
74 May 14-15 NTV 10 30
74 Jun 11-12 NTV 32 29
74 Jun 18-19 NTV 10 13
74 Jul 16-18 NTV 10 8 6
74 Aug 10 NTV NTV 16
74 Aug 11 NTV 10
74 Aug 12-14 NTV NTV 5 6 5
74 Aug 15 NTV 4
74 Sep 17-19 NTV NTV 3 19 34
74 Oct 15 NTV NTV 50
74 Oct 16-17 NTV 68 47
74 Oct 31 NTV 8
74 Nov 1 NTV 6
74 Nov 3 NTV 6
74 Nov 7-10 NTV 7 21 39 10
74 Nov 12-13 NTV NTV 70 36
74 Nov 14 NTV 38
74 Dec 10-12 T 20 21 18
75 Jan 5- 6 NTV 27 26
75 Jan 14 NTV 33
75 Jan 15-16 NTV NTV 15 21
75 Feb 11-13 NTV 36 35 27
75 Mar 9-13 NTV 8 80 53 37 29
75 Apr 15-16 NTV NTV 7 6
75 Apr 17 NTV 5
75 May 6- 8 NTV 35 22 14
75 May 18-19 NTV 7 15
75 May 22 NTV 11
------------------------------------- I.S. OR H.F. RADAR OBSERVATORY ------------------------------------
OPERATING DAYS JRO ARO MU STS MLH KKF IST EIS SON/CHT ESR HHF SAN SYF SYE KGF KHF SHF GBF FHF WHF EHF ACTIVITY INDEX - Ap
-------------- ---- ---- ---- ---- ---- ---- ---- ---- ----- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----------------------------
75 Jun 10-11 NTV NTV 4 14
75 Jul 15-16 NTV NTV 15 12
75 Jul 17 NTV 14
75 Aug 12 T 4
75 Aug 13 NTV T 5
75 Aug 14 T 16
75 Sep 12-13 NTV 19 17
75 Sep 16-18 T 6 13 14
75 Oct 14-16 NTV T 9 5 10
75 Oct 19-20 NTV 3 5
75 Nov 3- 4 T 65 41
75 Nov 11-12 NTV 13 9
75 Nov 13 T 4
75 Dec 13-15 NTV 3 6 9
75 Dec 16-18 NTV 14 9 6
75 Dec 27-28 NTV 31 15
76 Jan 20-21 NTV 11 20
76 Feb 17-19 NTV 14 22 25
76 Mar 16-17 NTV 18 20
76 Apr 13-14 NTV NTV 13 16
76 Apr 25-26 NTV 9 5
76 Apr 29 NTV 17
76 May 12-13 NTV NTV 7 6
76 May 14-16 NTV 4 5 5
76 Jun 22-24 NTV 3 4 16
76 Jul 13-14 NTV 4 6
76 Jul 20-22 NTV 4 3 4
76 Aug 10 NTV NTV 9
76 Aug 11 NTV NTV NTV 5
76 Aug 12 NTV 3
76 Sep 20 NTV 51
76 Sep 21-22 NTV NTV 24 17
76 Sep 23 NTV 12
76 Oct 19-20 NTV NTV 7 7
76 Oct 21 NTV 7
76 Nov 16-17 NTV NTV 5 7
76 Nov 18 NTV 5
------------------------------------- I.S. OR H.F. RADAR OBSERVATORY ------------------------------------
OPERATING DAYS JRO ARO MU STS MLH KKF IST EIS SON/CHT ESR HHF SAN SYF SYE KGF KHF SHF GBF FHF WHF EHF ACTIVITY INDEX - Ap
-------------- ---- ---- ---- ---- ---- ---- ---- ---- ----- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----------------------------
76 Dec 14-15 NTV 4 2
76 Dec 22 NTV 8
77 Jan 18-19 NTV 10 8
77 Jan 20 NTV NTV 12
77 Jan 21 NTV 5
77 Feb 14 NTV 11
77 Feb 15 NTV NTV NTV 8
77 Feb 16 NTV NTV 6
77 Feb 17 NTV 9
77 Mar 15 NTV NTV 5
77 Mar 16 NTV NTV NTV 6
77 Mar 17 NTV NTV 9
77 Apr 19-20 NTV NTV NTV 48 28
77 Apr 21-22 NTV 12 6
77 May 17 NTV NTV 18
77 May 18 NTV NTV NTV 11
77 May 19 NTV NTV 5
77 Jun 14-15 NTV 9 3
77 Jun 16 NTV NTV 10
77 Jul 19-21 NTV 23 29 10
77 Aug 16-18 NTV 9 29 13
77 Sep 8 NTV 8
77 Sep 13-15 NTV 28 10 9
77 Oct 11-13 NTV 12 28 14
77 Nov 15-17 NTV 25 14 8
77 Nov 23 NTV 2
77 Dec 6- 9 NTV 5 3 2 3
78 Jan 17 NTV 9
78 Jan 18 NTV NTV 12
78 Jan 19-20 T 6 3
78 Feb 8 NTV 10
78 Mar 7 NTV 9
78 Mar 8 NTV NTV 20
78 Mar 9 NTV 14
78 Apr 11 NTV 64
78 Apr 12 NTV NTV 29
78 Apr 13-14 NTV 24 51
------------------------------------- I.S. OR H.F. RADAR OBSERVATORY ------------------------------------
OPERATING DAYS JRO ARO MU STS MLH KKF IST EIS SON/CHT ESR HHF SAN SYF SYE KGF KHF SHF GBF FHF WHF EHF ACTIVITY INDEX - Ap
-------------- ---- ---- ---- ---- ---- ---- ---- ---- ----- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----------------------------
78 May 10 NTV 10
78 Jun 1- 2 NTV 9 82
78 Jun 3- 6 NTV NTV 31 26 38 8
78 Jun 7 NTV NTV NTV 11
78 Jun 8 NTV NTV 10
78 Jun 9 NTV 4
78 Jun 10-12 NTV NTV 24 17 10
78 Jun 13-14 NTV 7 4
78 Jul 12-13 NTV 4 20
78 Aug 1- 2 NTV NTV 4 4
78 Sep 5 NTV 7
78 Sep 6 NTV NTV 14
78 Sep 7 NTV 6
78 Oct 17 NTV 5
78 Oct 18-19 NTV NTV 32 22
78 Nov 14-16 NTV 11 8 6
78 Dec 12 NTV 4
78 Dec 13-14 NTV NTV 7 28
78 Dec 16-18 T 14 9 48
79 Jan 16-18 NTV 12 7 11
79 Feb 13 NTV 3
79 Feb 14 NTV NTV 2
79 Feb 15 NTV 11
79 Mar 20 NTV 6
79 Mar 21 NTV NTV NTV 4
79 Mar 22 NTV NTV 45
79 Mar 23 NTV 12
79 Mar 24-28 NTV NTV 15 21 26 18 39
79 Apr 18 NTV 6
79 May 22-24 NTV 36 11 27
79 Jun 19 NTV 6
79 Jun 20 NTV NTV 8
79 Jun 21 NTV 15
79 Jul 17-19 NTV 14 15 11
79 Aug 21-23 NTV 22 12 5
79 Sep 18-20 NTV 64 6 22
79 Oct 16 NTV 8
79 Oct 17-18 NTV NTV 4 3
------------------------------------- I.S. OR H.F. RADAR OBSERVATORY ------------------------------------
OPERATING DAYS JRO ARO MU STS MLH KKF IST EIS SON/CHT ESR HHF SAN SYF SYE KGF KHF SHF GBF FHF WHF EHF ACTIVITY INDEX - Ap
-------------- ---- ---- ---- ---- ---- ---- ---- ---- ----- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----------------------------
79 Nov 20 NTV 10
79 Nov 21 NTV NTV 6
79 Nov 22 NTV 2
79 Dec 19 NTV 6
80 Jan 15 NTV 6
80 Jan 16 NTV NTV 9
80 Jan 17-20 NTV 13 4 4 6
80 Feb 13 NTV 2
80 Mar 18 NTV 4
80 Mar 19-20 NTV NTV 10 4
80 Apr 15 NTV 20
80 Apr 16 NTV NTV 12
80 Apr 17 NTV 11
80 May 13 NTV 14
80 May 14 NTV NTV 17
80 May 15 NTV 6
80 Jun 10 NTV 33
80 Jun 11 NTV NTV 59
80 Jul 8 NTV 14
80 Jul 9 NTV NTV 8
80 Jul 10 NTV 4
80 Aug 12 NTV 8
80 Aug 13-14 NTV NTV 6 6
80 Sep 9 NTV 12
80 Sep 10 NTV NTV 4
80 Sep 11 NTV 6
80 Oct 8 NTV 12
80 Oct 10-12 NTV 22 40 11
80 Oct 22-23 NTV 23 44
80 Nov 12 NTV NTV 12
80 Nov 13-14 NTV 6 10
80 Dec 9 NTV 10
80 Dec 10-11 NTV NTV 10 16
80 Dec 12-18 NTV 16 6 8 10 16 5 15
81 Jan 8 NTVF 11
81 Jan 9 NTV 6
81 Jan 14 NTV NTV 6
81 Feb 4 NTV NTV 9
------------------------------------- I.S. OR H.F. RADAR OBSERVATORY ------------------------------------
OPERATING DAYS JRO ARO MU STS MLH KKF IST EIS SON/CHT ESR HHF SAN SYF SYE KGF KHF SHF GBF FHF WHF EHF ACTIVITY INDEX - Ap
-------------- ---- ---- ---- ---- ---- ---- ---- ---- ----- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----------------------------
81 Mar 3 NTV 8
81 Mar 4 NTV NTV 12
81 Mar 30 NTV 16
81 Mar 31 NTV NTV 26
81 Apr 1 NTV NTV NTV 23
81 Apr 2 NTV 10
81 May 12 NTV 13
81 May 13 NTV NTV NTV 10
81 May 14 NTV 18
81 Jun 10-11 NTV NTV 4 6
81 Jul 14 NTVF NTV 7
81 Jul 15 NTV NTV 4
81 Jul 16 NTV 8
81 Aug 11-12 NTV NTV 15 9
81 Aug 13 NTV 9
81 Sep 29 NTV NTV NTV 14
81 Sep 30 NTV NTV NTV NTV 15
81 Oct 1 NTV NTV NTV 9
81 Oct 24 NTV 18
81 Oct 25 NTV NV 18
81 Oct 26 NTV 10
81 Oct 27 NTV NTV 10
81 Oct 28 NTV NTV NTV 19
81 Oct 29 NTV NTV 12
81 Nov 11-12 NV 31 39
81 Nov 17 N NTV 32
81 Nov 18 NTV NTV NTV NTV 26
81 Nov 19 NTV NTV 14
81 Nov 20-26 NTV 13 15 11 20 9 27 9
81 Nov 27-30 NTV 4 6 4 1
81 Dec 8- 9 NTV NV 15 10
81 Dec 15-17 NTV NTV NTV NTV 6 4 7
81 Dec 24 NTVF 10
81 Dec 26-29 NTVF 6 6 12 32
82 Jan 19-20 NTV NTV 3 6
82 Jan 21 NTV 14
82 Jan 26-27 NTV 7 13
82 Jan 30-31 NTV 27 34
82 Feb 1 NTV 41
82 Feb 9-10 NTV 15 35
82 Feb 16 NTV NTV 6
82 Feb 17 NTV NTV NTV 30
82 Feb 18 NTV NTV 34
82 Feb 23-25 NTV 29 24 42
------------------------------------- I.S. OR H.F. RADAR OBSERVATORY ------------------------------------
OPERATING DAYS JRO ARO MU STS MLH KKF IST EIS SON/CHT ESR HHF SAN SYF SYE KGF KHF SHF GBF FHF WHF EHF ACTIVITY INDEX - Ap
-------------- ---- ---- ---- ---- ---- ---- ---- ---- ----- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----------------------------
82 Feb 26-27 NTVF 43 12
82 Mar 16-17 NTV NTV 4 14
82 Mar 18 NTV 20
82 Mar 27-29 NTV 9 6 13
82 Apr 19 NTV 8
82 Apr 20 NTVF NTV 20
82 Apr 21-22 NTV NTV NTV 32 18
82 Apr 24-25 NTV NTV 15 52
82 Apr 26 NTV 7
82 May 18-19 NTV NTV NTV 20 12
82 May 20 NTV NTV 8
82 Jun 15 NTV 26
82 Jun 16 NTV NTV 10
82 Jun 17 NTV 6
82 Jul 3- 5 NTV 6 2 4
82 Jul 14-15 NTV 153 36
82 Jul 20-22 NTV 24 11 16
82 Aug 7- 9 NTV 107 6 23
82 Aug 16 NTVF 6
82 Aug 17-19 NTVF NTV 16 16 10
82 Aug 20-21 NTV 12 15
82 Sep 14-15 NTV NTV 14 12
82 Sep 16 NTV 12
82 Sep 25 NTV 13
82 Oct 19-20 NTV NTV NTV 17 14
82 Oct 21 NTV NTV 11
82 Nov 16-17 NTV NTV 9 6
82 Nov 18 N NTV 12
82 Dec 14-16 NTV 8 11 13
83 Jan 11-13 NTV NTV 11 18 8
83 Feb 15-16 NTV NTV 25 30
83 Feb 17 NTV 16
83 Mar 14 NTV 26
83 Mar 15 NTV NTV 15
83 Mar 16-17 NTVF NTV 11 11
83 Mar 18 NTV 20
83 Apr 12 NTV NTV 11
83 Apr 13 NTV NTV NTVF 36
83 Apr 14 NTV 45
83 Apr 23-24 NTV 17 61
83 Apr 26 NTV 28
------------------------------------- I.S. OR H.F. RADAR OBSERVATORY ------------------------------------
OPERATING DAYS JRO ARO MU STS MLH KKF IST EIS SON/CHT ESR HHF SAN SYF SYE KGF KHF SHF GBF FHF WHF EHF ACTIVITY INDEX - Ap
-------------- ---- ---- ---- ---- ---- ---- ---- ---- ----- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----------------------------
83 May 6- 8 NTV 14 8 11
83 May 17 NTV NTV 64
83 May 18 NTV NTV NTV 12
83 May 19 NTV NTV 5
83 May 20 NTV 10
83 Jun 14 NTV NTV 12
83 Jun 15-16 NTV NTV NTV 16 8
83 Jun 17-18 NTVF 17 37
83 Jun 25-26 NTV 5 13
83 Jun 27-30 TV 8 12 13 7
83 Jul 12 NTVF NTV 16
83 Jul 13-14 NTVF NTV NTV 19 6
83 Jul 15 NTV 5
83 Jul 22 NTV 10
83 Jul 23-24 NTV NTV 23 40
83 Jul 25 NTV 12
83 Aug 16 NTV 4
83 Aug 17-18 NTV NTV 6 2
83 Aug 26-27 NTV 26 5
83 Aug 28 NTV NTV 8
83 Sep 5- 6 TV 3 5
83 Sep 9-10 NTV 16 12
83 Sep 13-14 NTV NTV NTV 7 6
83 Sep 15 NTV NTV 21
83 Oct 4 NTVF NTV 43
83 Oct 5- 6 NTVF NTV NTV 8 22
83 Oct 7 NTV 11
83 Oct 8-10 NTVF 16 5 7
83 Nov 1- 2 NTV NTV NTV 19 35
83 Nov 3 NTV NTV 20
83 Nov 4 NTV TV 7
83 Nov 5- 6 TV 3 3
83 Nov 12-13 TV 44 24
83 Nov 14-15 TVF 28 23
83 Dec 13 NTV NTV NTVF 24
83 Dec 14 NTV N NTVF 24
83 Dec 15 N 17
84 Jan 16 NTV NTV NTVF 6
84 Jan 17-19 V NTV NTV NTV NTV NTVF 7 6 19
84 Jan 20 V N NTV NTVF 9
84 Jan 21 NTV 12
84 Jan 24-25 NTV 5 10
84 Feb 3- 4 NTVF 19 54
84 Feb 6 NTV 8
84 Feb 7- 8 V NTV NTV NTV NTV NTVF 9 7
------------------------------------- I.S. OR H.F. RADAR OBSERVATORY ------------------------------------
OPERATING DAYS JRO ARO MU STS MLH KKF IST EIS SON/CHT ESR HHF SAN SYF SYE KGF KHF SHF GBF FHF WHF EHF ACTIVITY INDEX - Ap
-------------- ---- ---- ---- ---- ---- ---- ---- ---- ----- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----------------------------
84 Feb 9 NTV NTV NTVF 9
84 Feb 22-23 NTV 8 15
84 Mar 5 NTV 4
84 Mar 6 NTV NTV NTV 31
84 Mar 7 NTV NTV NTV NTVF 26
84 Mar 8 NTV NTVF 29
84 Mar 26-27 TV 16 23
84 Apr 3- 4 NTV NTV 42 84
84 Apr 5 NTV 57
84 Apr 6 TV 12
84 Apr 24-25 NTV 6 33
84 Apr 26-27 NTV 103 26
84 May 8- 9 NTV NTV NTV 5 19
84 May 10 NTV NTV 27
84 May 14-16 NTV 12 9 7
84 May 29 NTV 9
84 May 30 NTV NTV TV 17
84 May 31 NTV 7
84 Jun 25 NTV 10
84 Jun 26 N NTV NTV NTV NTV NTV 8
84 Jun 27-28 N NTVF NTV NTV NTV NTV 10 21
84 Jun 29 N NTV 12
84 Jul 23-25 NTV NTV NTV NTV 8 12 8
84 Jul 26 NTV 6
84 Aug 21-23 NTV 3 1 8
84 Sep 17 NTV NTV TV 6
84 Sep 18 NTV NTV NTV TV 3
84 Sep 19-21 NTV NTV NTV NTV 36 21 10
84 Sep 22 NTVF NTV TV 22
84 Sep 23-24 NTV 112 52
84 Oct 15 NTV 14
84 Oct 16-17 NTV NTV NTV NTV 19 3
84 Oct 18 NTV NTV NTV 43
84 Oct 22 NTV 46
84 Oct 23 NTV NTV 27
84 Oct 24 NTV 39
84 Nov 13-14 NTV NTV NTV 10 14
84 Nov 15 N NTV NTV 52
84 Nov 16 TV 112
84 Nov 25-29 TV 10 8 7 6 13
84 Dec 18 NTV NTV 15
84 Dec 19 NTV NTV NTV 8
84 Dec 20-21 NTV 6 13
85 Jan 14 NTV NTV 9
------------------------------------- I.S. OR H.F. RADAR OBSERVATORY ------------------------------------
OPERATING DAYS JRO ARO MU STS MLH KKF IST EIS SON/CHT ESR HHF SAN SYF SYE KGF KHF SHF GBF FHF WHF EHF ACTIVITY INDEX - Ap
-------------- ---- ---- ---- ---- ---- ---- ---- ---- ----- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----------------------------
85 Jan 15-17 NTV NTV NTV 9 8 9
85 Jan 18 NTV NTV 6
85 Feb 17-18 TV 12 4
85 Feb 19-22 NTV TV 7 10 8 7
85 Feb 23 TV 7
85 Mar 18 NTV 11
85 Mar 19 V NTV NTV NTV 9
85 Mar 20-22 V NTV NTV NTV NTV 5 5 4
85 Mar 25-27 NTV 5 8 10
85 Mar 28-29 NTV TV 14 6
85 Apr 10-11 NTV 11 11
85 Apr 12-13 NTV NTV 5 6
85 Apr 18-21 NTV TV 4 21 53 103
85 Apr 22 NTV 11
85 Apr 23-24 V NTV NTV NTV NTV 12 17
85 Apr 25-29 NTV 21 30 33 61 17
85 May 10-13 NTV 4 5 12 11
85 May 20 NTV 5
85 May 21-22 NTVF NTV NTV NTV NTV 8 5
85 May 23 V NTV 4
85 Jun 24 NTV 5
85 Jun 25-26 NTV NTV NTV NTV NTV 12 21
85 Jun 27 NTV 13
85 Jul 16-18 NTV 5 20 13
85 Jul 23-25 NTV 13 12 12
85 Jul 29 NTV 5
85 Jul 30 NTV TV 11
85 Jul 31 TV 36
85 Aug 1 TV 18
85 Aug 4 NTV 6
85 Aug 12 NTV 27
85 Aug 13-14 NTV NTV NTV NTV NTV 41 11
85 Sep 9 NTV 12
85 Sep 10-11 NTV NTV NTV NTV NTV 12 9
85 Oct 14 NTV NTV TV 8
85 Oct 15-18 V NTV NTV NTV NTV TV 18 17 15 22
85 Oct 19 V NTV NTV 14
85 Oct 20 NTV 6
85 Nov 11 TV 10
85 Nov 12-13 NTV NTV NTV NTV NTV 4 24
85 Nov 14 NTV 17
85 Nov 26 NTV 6
85 Dec 4- 5 NTV 12 8
------------------------------------- I.S. OR H.F. RADAR OBSERVATORY ------------------------------------
OPERATING DAYS JRO ARO MU STS MLH KKF IST EIS SON/CHT ESR HHF SAN SYF SYE KGF KHF SHF GBF FHF WHF EHF ACTIVITY INDEX - Ap
-------------- ---- ---- ---- ---- ---- ---- ---- ---- ----- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----------------------------
86 Jan 10-11 TV 11 4
86 Jan 14-17 V NTV NTV NTV NTV NTV 4 5 3 6
86 Feb 3- 4 TV 6 5
86 Feb 6 TV 11
86 Feb 7-10 NTV TV 82 202 100 10
86 Feb 11-12 V NTV 20 18
86 Feb 13 NTV 15
86 Mar 4 NTV NTV 8
86 Mar 5 VF NTV NTV NTV NTV NTV 8
86 Mar 6 VF NTV NTV NTV NTV 32
86 Mar 7 NTV 33
86 Mar 11-13 VF 2 7 21
86 Mar 31 NTV 7
86 Apr 1- 4 V NTV NTV NTV NTV NTV 8 5 14 4
86 Apr 27-28 NTV 4 11
86 May 6- 7 NTV NTV NTV NTV 67 12
86 May 8 NTV NTV 7
86 May 9-10 NTV 5 6
86 Jun 3 NTV 10
86 Jun 4 NTV NTV NTV 7
86 Jun 5 NTV NTV NTV NTV 5
86 Jun 15-17 NTV 5 5 8
86 Jun 23-25 NTV 5 7 3
86 Jul 8 NTV NTV NTV 6
86 Jul 9-10 VF NTV NTV NTV NTV NTV 6 6
86 Jul 11-13 NTV NTV 4 6 7
86 Jul 14 NTV 4
86 Aug 26 NTV 12
86 Aug 27-28 VF NTV NTV NTV NTV NTV 13 12
86 Aug 29 NTV 22
86 Sep 17 V 14
86 Sep 23-24 VF NTV NTV NTV NTV 43 22
86 Sep 25 VF NTVF NTV NTV NTV 26
86 Sep 26 VF NTVF NTV NTV 27
86 Oct 6- 7 V NTV 12 5
86 Oct 8-10 NTV NTV 6 6 3
86 Oct 27 V 16
86 Oct 28 V NTV 9
86 Oct 29 VF NTV V NTV NTV NTV NTV 15
86 Oct 30 VF NTVF V NTV NTV NTV NTV 14
86 Oct 31 NTV 6
86 Nov 1 NTV 13
86 Nov 6- 7 V 12 6
86 Nov 8- 9 NTV 4 3
86 Nov 18-20 NTV 6 4 5
------------------------------------- I.S. OR H.F. RADAR OBSERVATORY ------------------------------------
OPERATING DAYS JRO ARO MU STS MLH KKF IST EIS SON/CHT ESR HHF SAN SYF SYE KGF KHF SHF GBF FHF WHF EHF ACTIVITY INDEX - Ap
-------------- ---- ---- ---- ---- ---- ---- ---- ---- ----- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----------------------------
86 Nov 26-27 VF 17 9
86 Dec 1- 2 V 13 8
86 Dec 9 NTV 6
86 Dec 10-11 V NTV NTV NTV NTV 12 8
86 Dec 12 NTV NTV 4
86 Dec 16-19 V 12 5 6 6
87 Jan 27 V NTVF NTV NTV NTV NTVF 7
87 Jan 28-30 V NTVF V NTV NTV NTV NTVF 11 10 4
87 Feb 9-13 NTV 11 8 7 18 4
87 Feb 28 NTV 13
87 Mar 1 NTV 9
87 Mar 2- 3 NTV NTV 3 6
87 Mar 4- 6 NTV 10 21 10
87 Mar 11-12 NTV 8 14
87 Mar 30 V 4
87 Mar 31 NTV V NTV NTV NTV 4
87 Apr 1 NTV V NTV NTV NTV 10
87 Apr 2- 3 V 4 2
87 Apr 23 V 4
87 Apr 27 V 9
87 Apr 28 NTV V NTV NTV NTV 2
87 Apr 29 NTV V NTV NTV 4
87 Apr 30 V 4
87 May 14-15 NTV 9 4
87 May 25-27 V 25 9 14
87 Jun 1 NTV V NTV NTV NTV 8
87 Jun 2 NTV V NTV NTV NTV NTV 8
87 Jun 3 V NTV NTV NTV NTV 4
87 Jun 4- 5 V NTV NTV 6 7
87 Jul 13-14 NTV 4 5
87 Jul 16 NTV 20
87 Jul 20-22 NTV 9 6 8
87 Aug 3- 5 NTV 12 7 13
87 Aug 8-10 NTV 10 8 4
87 Aug 26-27 V NTV NTV NTV 40 21
87 Sep 21-24 V NTV NTV NTV NTVF 10 29 17 14
87 Sep 25 V NTV NTV NTV NTV 46
87 Sep 26 V NTV NTVF 20
87 Oct 19 V 6
87 Oct 20-21 V V 8 13
87 Oct 22 V 5
87 Oct 23-26 NTV 11 19 28 11
87 Nov 6- 8 NTV 9 5 4
------------------------------------- I.S. OR H.F. RADAR OBSERVATORY ------------------------------------
OPERATING DAYS JRO ARO MU STS MLH KKF IST EIS SON/CHT ESR HHF SAN SYF SYE KGF KHF SHF GBF FHF WHF EHF ACTIVITY INDEX - Ap
-------------- ---- ---- ---- ---- ---- ---- ---- ---- ----- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----------------------------
87 Nov 9-10 NTV NTVF 10 11
87 Nov 17-19 V 3 5 12
87 Nov 24-25 V NTVF V NTV NTV NTVF 24 12
87 Nov 26 V NTV 17
87 Dec 17 V 16
87 Dec 21-23 V 10 22 10
88 Jan 12-14 V NTVF V NTV NTV NTVF V 21 7 48
88 Jan 15-16 V NTVF NTV NTV NTVF V 63 5
88 Jan 18-22 V 12 10 12 9 7
88 Feb 8 V 5
88 Feb 9-10 V NTV 11 13
88 Feb 11-12 NTV 11 16
88 Feb 17 V 14
88 Feb 18 V NTV 19
88 Feb 19 NTV 7
88 Mar 6-12 V 19 11 26 13 12 14 9
88 Mar 13-14 V V 5 12
88 Mar 15 V 20
88 Mar 16 V NTVF V NTV NTV NTVF 14
88 Mar 17 V NTV V NTV NTV NTVF 9
88 Mar 18-20 V NTVF NTV NTV NTVF 7 4 6
88 Mar 21 NTVF 2
88 Apr 11 NTV 9
88 Apr 12-13 VF NTVF NTV NTV NTVF 14 10
88 Apr 14 VF 9
88 Apr 21-22 VF 8 44
88 Apr 25-27 VF NTV 6 5 6
88 May 17-18 VF 24 18
88 May 30 V 12
88 Jun 12 VF 4
88 Jun 13 VF NTV V NTV NTV NTV 6
88 Jun 14 VF NTV V NTV NTV 20
88 Jun 15 V NTV NTV 9
88 Jul 5- 7 NTV 5 11 8
88 Jul 12 NTVF V NTV NTV NTV 15
88 Jul 13 VF NTVF V NTV NTV NTV 5
88 Jul 14 VF V NTV 7
88 Aug 1- 3 V 8 5 6
88 Aug 19 NTV 8
88 Sep 10 NTV 7
88 Sep 12-13 NTV V NTV NTV NTV 20 10
88 Sep 14 V NTV NTV 11
88 Sep 15-16 NTV 12 6
88 Oct 8- 9 NTV 7 17
------------------------------------- I.S. OR H.F. RADAR OBSERVATORY ------------------------------------
OPERATING DAYS JRO ARO MU STS MLH KKF IST EIS SON/CHT ESR HHF SAN SYF SYE KGF KHF SHF GBF FHF WHF EHF ACTIVITY INDEX - Ap
-------------- ---- ---- ---- ---- ---- ---- ---- ---- ----- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----------------------------
88 Oct 10 VF NTV 85
88 Oct 11-12 VF NTV V 13 6
88 Oct 13-14 VF NTV 6 6
88 Oct 17 V 15
88 Oct 25-27 NTV 4 7 8
88 Nov 7 VF 17
88 Nov 8 VF V 18
88 Nov 9 VF NTV V N NTV NTV 12
88 Nov 10 VF NTV V NTV NTV NTV 14
88 Nov 11 VF V NTV 10
88 Dec 3- 4 V 18 10
88 Dec 5 V NTV V NTV NTVF 4
88 Dec 6-10 V NTV V NTV NTV NTVF 3 3 5 4 8
88 Dec 11 NTVF V NTV 17
88 Dec 12 V 14
89 Jan 9 V 16
89 Jan 10 V NTV 12
89 Jan 11 V NTVF 37
89 Jan 12-13 NTVF 20 11
89 Feb 3- 6 NTV NTV 44 24 22 23
89 Feb 7- 8 NTV NTVF 25 14
89 Feb 9 NTV NTV 19
89 Feb 10 NTV 12
89 Feb 13-15 V 21 14 14
89 Mar 6 NTV V NTV NTVF 24
89 Mar 7 NTV V NTVF NTV NTVF 18
89 Mar 8 V NTVF NTV 24
89 Mar 9-10 NTVF 31 19
89 Mar 11 NTV 17
89 Mar 19-21 NTV 55 14 22
89 Mar 24 NTV 16
89 Mar 29 NTV 71
89 Apr 10 V NTV NTV NTV 8
89 Apr 11-12 VF NTV V NTV NTV NTVF 14 6
89 Apr 13 NTV NTV 17
89 May 8 V 5
89 May 9-10 VF NTV V NTV NTV NTV 5 4
89 May 11 NTV 6
89 May