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From: oler@rho.uleth.ca (Cary Oler)
Message-Id: <9312260606.AA07783@rho.uleth.ca>
Subject: Daily Summary of Ionospheric Data for 25 December
To: solar-daily@lut.fi
Date: 	Sun, 26 Dec 1993 08:06:15 +0200
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                    ---------------------------------------
                    DAILY IONOSPHERIC SUMMARY FOR 25 DEC 93
                    ---------------------------------------


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

     MUR  ASH  SVE  SAL  TOM  DIX  MAG  WLP  MAU  VBG  GOO  EIE  TAO  KEA  ARG  NIC  DYS  LEA
     ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---
00Z: 3.0  3.1       3.3            3.6  3.3  3.2  3.4  2.7  3.4  3.6  3.2   B   3.3  3.4  2.8
01Z: 3.0  3.1       3.6  3.1       3.8  3.0  3.5  3.1  2.9  3.1  3.5  3.5   B   3.8  3.1  2.6
02Z:      3.1       3.1  3.1       3.9  2.7  3.5  3.3  2.8  3.3  3.5  3.6   B        3.2  2.7
03Z:      3.2  2.8  2.9  3.4       3.6  2.7  3.8  3.1  2.9  2.8  3.1  3.8   B   2.9   B   2.9
04Z:      3.3       3.0  3.5       3.7  3.0  3.5  3.4  3.4  2.7  3.3  3.5   B   3.2   B   2.7
05Z:      3.4       3.3  3.6       3.7  2.8  3.7  3.0   B    B   3.2  3.7   B   3.6  3.2  2.7
06Z:      3.2  3.4  3.1  3.6  3.2  3.4  3.0  3.4  2.8  3.1   A   3.3  3.4   B        3.4  2.9
07Z: 3.0  3.3  3.3  3.4            3.3  2.9  3.3  2.8   B    A   3.2  3.3   B        3.4  2.8
08Z: 3.1       3.3  3.3  3.6  3.4  3.4  2.8  3.5  3.2   B    A   3.5  3.5   B        3.0  3.1
09Z: 3.5  3.5  3.2  3.3  3.5  2.6  3.2  3.3  3.5  3.0   B   3.8  3.6  3.5   B        3.2  2.8
10Z: 3.3       3.0  3.3  3.4  2.6  3.0  2.8  2.8   B    B    A   3.5  2.8   B        3.0  2.8
11Z: 3.4  3.4  3.3  3.3  3.3       3.0  3.3  3.0  2.7       3.6  3.6  3.0            2.7   A
12Z: 3.3  3.4  3.2  3.4  3.3            3.6  3.0  2.8       4.0  3.3  3.0            2.9  2.8
13Z: 3.4  2.9  3.0  3.2  3.2            3.3  3.0  3.0        A   3.5  3.0            3.1  3.4
14Z: 3.3  3.0  3.0  3.3  3.0       3.0  2.7  3.7  3.5        A   3.4  3.7            4.0  3.1
15Z:      3.1            3.0       3.0  3.4  3.2  3.7        A   3.1  3.3            3.7  3.5
16Z:      3.0            3.0       3.2   A   3.0  3.5       2.9  2.8  3.0            3.4  3.2
17Z:      3.0            3.0       3.2  3.5  2.9  3.2        B   3.0  2.9            3.4  3.2
18Z:                               3.2  3.6       3.3       2.8  2.8                 3.3  3.6
19Z:                                    3.1       3.4   B   3.1  3.3       3.3       3.3  3.4
20Z:                                    3.3       3.3  3.3  3.3  3.3       3.5       3.5  3.0
21Z:                                    3.3       3.3  3.1  3.2  3.4       3.3       3.5  2.9
22Z:                                    3.4       3.3  3.1  3.5  3.0       3.4       3.4  3.5
23Z:                                    3.2       3.4  3.1  3.5  3.6        B        3.5  3.1
=========================================
Estimated Average Global M(3000)F2:  3.23.


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

     MUR  ASH  SVE  SAL  TOM  DIX  MAG
     ---  ---  ---  ---  ---  ---  ---
00Z: 1.4  1.6  1.1  1.0  1.0  1.6  1.1
01Z: 1.0  1.6  1.5  1.0  1.0  1.2  1.0
02Z: 1.0  1.7       1.0  1.4       1.0
03Z:      1.6  1.6  1.0  1.0       1.0
04Z: 1.3  1.2  1.7  1.0  1.0       1.0
05Z: 1.0  1.2       1.0  1.0       1.0
06Z:      1.4  2.2  1.0  1.4  1.4  1.0
07Z: 1.1  2.5  1.5  1.0            1.0
08Z: 1.3       1.7  1.8  1.4  2.0  1.0
09Z: 1.0  1.8  1.8  1.0  1.3  1.9  1.0
10Z: 1.0       1.5  1.0  1.0  1.1  1.0
11Z: 1.3  1.5  1.0  1.0  1.0  1.0  1.0
12Z: 1.4  1.2  1.7  1.0  1.0  1.1  1.0
13Z: 1.3  2.0  1.7  1.0  1.0  1.1  1.1
14Z: 1.3  2.0  1.6  1.0  1.0  1.0  1.0
15Z:      2.0  1.6  2.0  1.0  1.0  1.2
16Z:      2.0  1.0  1.0  1.0  2.0  1.0
17Z:      2.0       1.0  1.0       1.1
18Z:                1.0       1.0  1.0
19Z:
20Z:
21Z:
22Z:
23Z:


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

     MUR  ASH  SAL  TOM  DIX  MAG
     ---  ---  ---  ---  ---  ---
00Z: 2.5            2.7  4.2  2.3
01Z: 2.0                 4.0  3.0
02Z: 3.8                      3.2
03Z:                1.8       3.2
04Z: 4.0                      2.4
05Z: 2.1       1.5            2.8
06Z:                2.4       2.4
07Z:                          2.1
08Z:                2.5       2.4
09Z:                2.2
10Z: 2.1            3.5
11Z: 2.7            1.6  2.3
12Z: 3.0            3.0  3.0  2.2
13Z: 4.0            3.0  2.8
14Z:      2.4       3.3  5.0  2.5
15Z:           4.5  3.3  3.8
16Z:           4.4  3.3  3.4  2.0
17Z:           6.0  2.7
18Z:           7.6       4.2  2.0
19Z:
20Z:
21Z:
22Z:
23Z:


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

      MUR  ASH  SVE  SAL  TOM  DIX  MAG  WLP  MAU  VBG  GOO  EIE  TAO  KEA  ARG  NIC  DYS  LEA
     ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----
00Z:  3.8  3.2  3.3  2.7            5.4  4.3 11.1  6.3  3.2  4.6  7.0 11.1   B   3.6  4.4  5.4
01Z:  4.0  2.5  3.3  2.3  2.0       6.3  3.2 11.7  4.8  3.0  4.4  8.1 11.7   B   3.4  3.5  5.3
02Z:       2.6       1.8  3.0       7.6  2.9  9.0  3.3  2.7  3.6  9.0  9.0   B        3.2  5.4
03Z:       3.6  2.3  1.8  5.2       7.5  3.1  6.6  3.0  2.5  2.9  8.2  6.6   B   3.2   B   6.4
04Z:       5.2  2.5  2.0  6.3       6.8  3.3  6.1  2.8  2.6  2.3 10.6  6.1   B   2.7   B   6.4
05Z:       5.8       3.4  6.7       5.7  3.5  3.2  2.5   B    B   9.5  3.2   B   5.1  3.4  6.6
06Z:       6.6  6.0  4.5  6.8  3.0  4.2  3.8  3.8  2.9  2.3   A  10.3  3.8   B        3.3  7.5
07Z:  2.7  7.0  6.4  5.3       3.0  3.2  4.1  4.9  3.2   B    A  10.1  4.9   B        2.9  8.0
08Z:  3.8       7.0  5.8  7.8  3.2  2.7  4.4  4.2  3.1   B    A  10.7  4.2   B        2.9  8.3
09Z:  5.4  6.5  6.9  6.0  6.5  2.9  2.2  4.4  2.5  2.5   B   4.1 10.1  2.5   B        3.0  8.3
10Z:  5.1       6.2  4.0  4.9  1.8  2.1  3.3  2.5   B    B    A   9.1  2.5   B        3.0  4.7
11Z:  5.0  6.7  6.0  4.0  4.6       2.2  2.4  2.9  2.8       3.3  5.8  2.9            3.2   A
12Z:  4.0  7.0  4.6  3.3  3.8            4.6  3.4  3.1       3.8  5.8  3.4            3.5  3.6
13Z:  4.8  4.4  3.4  1.9  2.9  3.0       5.9  4.0  3.1        A   5.2  4.0            3.6  5.4
14Z:  2.5  3.5  3.2  1.4  2.5       3.4  7.0  4.6  3.2        A   3.7  4.6            6.8  6.9
15Z:       3.8  2.0       2.2       3.7  7.6  4.1  5.8        A   2.8  4.1            6.7  5.9
16Z:       2.8  1.8       2.3       3.8   A   3.5  5.3       3.0  2.5  3.5            6.7  5.8
17Z:       3.0            2.4       3.4  8.2  4.4  7.5        B   2.8  4.4            7.0  5.1
18Z:                                3.3  7.3       9.1       2.7  3.0                 9.5  3.4
19Z:                                     7.3       9.8   B   3.7  3.2       7.0       9.7  3.8
20Z:                                     7.6       8.2  6.8  4.8  3.1       5.7       8.6  3.6
21Z:                                     6.6       8.2  5.5  5.8  3.0       4.6       7.6  3.7
22Z:                                     5.7       8.3  4.4  6.2  2.8       4.7       6.6  5.1
23Z:                                     4.9       6.9  3.4  6.0  6.2        B        6.9  6.5
=========================================
Estimated Average Global foF2:  4.80 MHz.


MAXIMUM USABLE FREQUENCIES FOR 3000 KM PATHS (MHz) - MUF(3000)
--------------------------------------------------------------

      MUR  ASH  SVE  SAL  TOM  DIX  MAG  WLP  MAU  V

