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From: oler@rho.uleth.ca (Cary Oler)
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Subject: Daily Summary of Ionospheric Data for 23 December
To: solar-daily@lut.fi
Date: Fri, 24 Dec 93 10:32:15 MST
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                    ---------------------------------------
                    DAILY IONOSPHERIC SUMMARY FOR 23 DEC 93
                    ---------------------------------------


M-FACTORS FOR 3000 KM DISTANCES - M(3000)F2
-------------------------------------------

     MUR  ASH  SVE  SAL  DIX  MAG  TOM  JUL  BOU  WLP  MAU  VBG  GOO  EIE  TAO  CHU  KEA  ARG  DYS  LEA
     ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---
00Z:      3.2  3.1            3.7  2.2   E   3.7  3.2  3.2  3.0  2.8  3.2  3.6       3.2  3.5  3.3  3.5
01Z: 2.8       3.0            3.7  3.1  3.1       3.4  3.2  3.1  2.4  3.4  3.7       3.3  2.7   B   3.4
02Z:           3.1  3.3       3.6  3.3  3.0       2.8  3.3  3.2  2.6  2.9  3.9       3.4  3.1  3.4   A
03Z: 2.4            3.2       3.6  3.4  2.9       2.8  3.5  3.1  2.8  3.2  3.3       3.5  3.3   B   2.6
04Z: 2.9  3.3       3.1       3.8       3.0       2.9  3.3  3.2  2.6  2.7  3.6       3.3  2.7   B   2.8
05Z: 2.8  3.3       3.3       3.4  3.7  3.1       2.8  3.1  3.3  2.9   A   3.7       3.1  2.9  3.5  2.7
06Z: 2.8  3.1  3.3  3.3       3.6  3.8  3.4       2.8  3.1  2.9  2.7   A   3.5       3.1  2.6  3.4  2.8
07Z:      3.1  3.3  3.2  3.3  3.6  3.6  3.1       2.8  3.2  3.0  2.6  2.5  3.3       3.2   B   2.9  2.8
08Z: 3.4       3.1       3.3       3.4  3.4       2.7  3.4  2.9  2.9  3.6  3.6       3.4   A   3.3  3.1
09Z: 3.3  3.3  2.9  3.4  3.4  2.4  3.6            3.0  3.2  3.1   B    A   3.6       3.2   A   3.1  3.1
10Z: 3.4  3.2       3.4  3.2  2.4  3.4            3.2  3.0  3.1   A   3.1  3.4       3.0   A   3.3   A
11Z:      3.3       3.3       2.9  3.4            3.0  2.8  3.0  2.9   A   3.4       2.9  3.6  2.8   A
12Z: 3.1       3.0  3.2            3.3            3.4  3.0  2.8  3.6   A   3.5       3.0  3.5  3.1   A
13Z: 3.3  3.1       3.4            3.2            3.3  3.1  2.8  3.4  3.0  3.6       3.1  4.0  3.3  3.3
14Z: 3.3       3.0  3.3  3.2       3.5            3.4  3.3  2.9  3.5  2.6  3.1   R   3.4  3.5  3.5  3.4
15Z:           2.9  3.2       3.3  3.2            3.3  3.5  3.6  3.4   A   2.8   F   3.5  3.4  3.7   A
16Z:      3.2                 3.0                 3.4  3.3  3.6  3.3   A   2.9   G   3.4  3.3  3.5  2.9
17Z:      2.7  3.0       3.0  3.0                 3.5  3.2  3.4  3.3  3.7  3.5  3.3  3.2  3.4  3.7  3.5
18Z:      2.8  3.0            2.9                 3.3       3.1  3.4   B   2.9  3.2       3.4  3.4  3.1
19Z:                                              3.2       3.4  3.3  3.0  2.9  3.2       3.3  3.3  3.0
20Z:                                              3.3       3.3  3.0  3.3  2.6  3.2       3.2  3.4  3.3
21Z:                                              3.4       3.3  3.1  3.1  2.8   F        3.1  3.4  3.6
22Z:                                              3.4       3.4  2.7  3.1  3.0  3.0        B   3.6  3.6
23Z:                                              3.4       3.4   B   3.2  3.5            3.0  3.5  3.7
=========================================
Estimated Average Global M(3000)F2:  3.20.


MINIMUM OBSERVED FREQUENCIES - FMIN (MHz)
-----------------------------------------

     MUR  ASH  SVE  SAL  DIX  MAG  TOM
     ---  ---  ---  ---  ---  ---  ---
00Z: 1.3  1.0  1.8  1.0  3.0  1.2  1.0
01Z: 1.0       1.8  1.0  2.4  1.0  1.0
02Z: 1.0  1.4  1.6  1.0       1.0  1.0
03Z: 1.3  1.4       1.0       1.1  1.0
04Z: 1.2  1.4  1.5  1.0  1.4  1.4
05Z: 1.0  1.4  1.0  1.0       1.2  1.4
06Z: 1.0  1.8  1.5  1.0       1.0  1.6
07Z:      2.0  2.0  1.0  2.5  1.0  2.7
08Z: 1.0       1.4       2.0  1.0  1.9
09Z: 1.0  2.0  1.8  1.0  1.3  1.0  1.2
10Z: 1.0  1.6  1.8  1.0  1.5  1.0  1.0
11Z:      1.5  1.8  1.0  1.0  1.0  1.0
12Z: 1.5       1.0  1.0  1.1  1.0  1.0
13Z: 1.3  2.0  1.0  1.6  1.0  1.0  1.0
14Z: 1.0       1.5  1.0  1.1       1.0
15Z:           1.5  1.0  1.5  1.0  1.0
16Z: 1.0  1.6       1.0  1.0  1.0
17Z: 1.0  1.7  1.6  1.0  1.4  1.0  1.0
18Z: 1.0  1.6  1.5  1.0  2.8  1.0
19Z:
20Z:
21Z:
22Z:
23Z:


CRITICAL SPORADIC E-LAYER FREQUENCIES - Es (MHz)
------------------------------------------------

     MUR  ASH  SVE  SAL  DIX  MAG  TOM
     ---  ---  ---  ---  ---  ---  ---
00Z: 4.9            2.0  5.0  2.0
01Z: 3.3                 4.2  2.0
02Z: 3.8                      2.5
03Z: 2.1                           2.0
04Z: 2.0            2.7  2.0  2.0
05Z:      2.8  2.8  1.5       1.9  3.0
06Z:      3.1  2.8  1.4       1.9  2.5
07Z:      3.4  3.0            2.0  2.4
08Z:           2.4            3.2  2.6
09Z:      3.2  2.8            2.0  2.4
10Z: 2.0       3.0  1.3            5.0
11Z:      3.4  2.5       3.2       4.8
12Z:           2.8       2.8       6.0
13Z:           3.0       3.4       2.4
14Z:                     3.0       3.6
15Z:                     4.0  2.2  2.0
16Z: 3.0  3.6       5.0  4.5
17Z: 5.0            4.3  5.2  2.0
18Z: 5.0  2.5       2.0  4.8  2.0
19Z:
20Z:
21Z:
22Z:
23Z:


OBSERVED CRITICAL F2 LAYER FREQUENCIES (MHz)
--------------------------------------------

      MUR  ASH  SVE  SAL  DIX  MAG  TOM  JUL  WAR  BOU  WLP  MAU  OTI  VBG  GOO  EIE  TAO  CHU  KEA  ARG  DYS  LEA
     ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----
00Z:       3.7  2.2            6.1  2.8   F   3.6  5.5  4.5 15.6       8.1  2.7  4.6  7.9      15.6  2.6  4.2  4.6
01Z:  3.9       2.5            7.6  2.3  3.1  3.4       3.0 16.2       3.7  2.6  3.7  8.9      16.2  2.5   B   5.0
02Z:       2.7  2.5  2.2       8.1  2.1  3.2  3.0       2.6 14.7       3.2  3.2  3.7  6.9      14.7  2.2  3.3   A
03Z:  2.0  2.8       2.0       6.5  4.1  2.6  3.0       2.9  7.5       2.7  4.1  3.0  8.1       7.5  2.2   B   5.3
04Z:  2.3  5.4  3.0  2.3       6.6       2.8  2.8       2.8  4.7       2.5  4.1  3.0 11.4       4.7  2.2   B   6.1
05Z:  2.0  5.5  6.0  3.3       4.9  5.9  2.6  2.4       2.8  4.5       2.9  2.7   A   8.5       4.5  2.1  3.2  6.0
06Z:  1.9  5.8  6.0  4.7       5.0  6.9  2.2  2.8       3.2  4.5       3.1  2.7   A   7.1       4.5  2.3  3.4  6.5
07Z:       6.8  6.2  5.2  3.6  3.1  6.6  3.4  4.3       3.5  5.8       3.5  3.0  3.1  8.9       5.8   B   3.5  7.2
08Z:  3.5       7.1       3.0       7.1  5.8  6.4       3.8  5.0       3.5  2.3  4.0  9.2       5.0   A   3.6  7.4
09Z:  4.8  7.0  7.0  5.5  2.9  1.9  6.2                 3.9  3.2       2.9   B    A   6.7       3.2   A   3.9  7.0
10Z:  5.8  6.9  7.0  4.8  2.0  2.0  5.4                 3.5  2.5       3.2   A   3.4  5.0       2.5   A   4.1   A
11Z:       7.2  6.0  4.8       2.3  4.3                 2.9  3.0       3.0  2.9   A   4.9       3.0  4.1  3.8   A
12Z:  4.4       5.3  3.7            3.0                 4.6  3.2       3.1  4.3   A   5.2       3.2  6.2  3.7   A
13Z:  4.2 14.2  4.3  2.5            2.5                 6.2  3.4  4.6  3.2  6.1  3.9  4.0       3.4  6.6  3.6  4.6
14Z:  3.3       3.0  1.9  3.9       2.0                 6.7  3.5  6.0  3.5  6.7  3.4  2.5   R   3.5  6.8  6.4  4.7
15Z:            2.5  1.4       2.7  2.0                 7.5  3.7       6.0  6.9   A   2.6   F   3.7  7.1  6.6   A
16Z:       2.5                 3.0                      9.0  2.8       6.6  6.8   A   2.8   G   2.8  6.6  7.0  4.9
17Z:       2.4  2.1       3.4  2.9                      7.9  4.4  7.2  7.0  7.5  3.4  3.0  5.2  4.4  8.0  7.3  3.9
18Z:       2.9  2.1            2.9                      7.2       7.0  7.9  6.9   B   2.9  5.7       7.4  8.6  3.9
19Z:                                                    7.0            9.2  7.0  3.9  3.1  6.5       6.1  7.3  4.0
20Z:                                                    8.0            8.1  6.4  5.1  2.7  6.8     

