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From: oler@rho.uleth.ca (Cary Oler)
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Subject: Daily Summary of Ionospheric Data for 07 December
To: solar-daily@lut.fi
Date: Tue, 7 Dec 93 21:07:49 MST
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Reply-To: SOLAR-DAILY Distribution List <solar-daily@lut.fi>
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Status: RO

                    ---------------------------------------
                    DAILY IONOSPHERIC SUMMARY FOR 07 DEC 93
                    ---------------------------------------


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

     MUR  ASH  TOM  DIX  SVE  SAL  MAG  JUL  WLP  MAU  VBG  GOO  EIE  TAO  CHU  KEA  ARG  BER  NIC  DYS
     ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---
00Z:      2.8  2.9                      2.9  3.6  3.0  3.4  2.9  3.1  3.6            2.8  2.3  3.1  3.5
01Z:      3.0  3.2       3.0  3.1  3.7  2.8  3.0  3.4  3.3  2.7  3.3                  B    B   3.4  3.5
02Z:           3.4            3.1  3.8  2.8  2.7  3.3  3.5  2.9  3.6  3.6            2.8   B   3.5  3.0
03Z: 3.0  3.0  3.6       3.2  3.1  3.7  3.0  2.8  3.2  3.8  3.0  3.4                 2.6   B   3.7  3.0
04Z: 3.3  3.4  3.5            3.2  3.5  2.9  2.8  3.7   A   2.8   B   3.3            2.7       3.0   A
05Z: 3.1  3.5  3.2       3.4       3.5  2.9  2.8  3.0   A   2.9       3.4            2.8   B   3.5   A
06Z: 3.1  3.1  3.4       3.5  3.4       3.0  2.7  2.8   A   2.5  3.0  3.3            3.0   B   3.8  3.0
07Z: 3.3       3.3       3.3  3.4  3.5  3.2  2.8  3.5  2.5  2.7  2.7  3.4            2.7   B   3.6  2.9
08Z:      3.3  3.8       3.4  3.3  3.4  3.7  3.0  3.4   A   2.4  2.5                 2.5  3.2  3.6  3.0
09Z: 3.4  3.4            3.5  3.5  3.2       3.0  3.3  2.9   A   2.8                 2.8  3.5  3.3  2.9
10Z: 3.4  3.2       3.2  3.3  3.2  3.0       3.1   F   2.9   B   3.5                  B   3.8  3.3  2.9
11Z: 3.4                 3.3                 3.3  3.0  2.8  3.1  2.9  3.2            3.5  3.4  3.5  3.1
12Z: 3.2  3.4  3.1       3.3  3.2  2.8       3.6  3.2  3.0  3.3   B   3.3       3.3  3.3  3.6  3.4  3.0
13Z:      3.3  3.3                 2.8       3.5  3.5  3.5   B    A   3.7       3.5  3.4  3.6  3.6  3.3
14Z:           3.0       3.0       2.8       3.3  3.3   B   3.0   A   3.3       3.4  3.2  3.5  3.8  3.6
15Z:      2.9  2.8       2.8                 3.2  3.0   B   3.2   B   2.7   F   3.1  3.1  3.4  3.5  3.3
16Z:           2.7       2.8                 3.2  2.6   B   3.1   A   2.8   R   2.6  3.1       3.5  3.4
17Z:      2.9       2.6                      3.3  3.4   B   3.2   B   2.9   F   3.4  3.2  3.4  3.0  3.2
18Z:      2.5       3.1  2.8  3.0            3.4        B   3.3  2.8  3.4  3.1       3.3  3.6  3.4  3.4
19Z:                                         3.4        B   3.2  2.7  3.6   F        3.4       2.7  3.3
20Z:                                         3.5        B   2.9   B   3.4  2.9       3.1  3.4   C   3.1
21Z:                                         2.8        B    A    B   3.0   F        2.8  3.5  2.9  3.0
22Z:                                         3.0        B   3.0   B   3.0   F        2.8   B   2.8  3.2
23Z:                                         3.2        B    A   2.8  3.3            2.8  3.8  2.8  3.1
=========================================
Estimated Average Global M(3000)F2:  3.17.


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

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


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

     MUR  ASH  TOM  DIX  SVE  SAL  MAG
     ---  ---  ---  ---  ---  ---  ---
00Z: 3.0
01Z:                               2.0
02Z: 3.2       3.8
03Z:      2.6
04Z:           1.6                 2.0
05Z:      3.2  2.3       2.3       2.0
06Z:      3.2  2.8       2.8
07Z:           2.4       3.0       2.0
08Z:      4.0            3.0       2.1
09Z:      3.4            3.8
10Z:      3.2            5.0
11Z:                     2.5
12Z:      2.8       3.1
13Z: 3.3                      2.1
14Z:                5.0       6.0
15Z: 8.0
16Z: 6.0            4.5
17Z: 5.3            2.2       5.0
18Z: 4.9                      5.0
19Z:
20Z:
21Z:
22Z:
23Z:


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

      MUR  ASH  TOM  DIX  SVE  SAL  MAG  JUL  WAR  POI  WLP  OTI  MAU  VBG  GOO  EIE  TAO  CHU  KEA  ARG  BER  NIC  DYS
     ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----
00Z:       3.9  2.2                      2.8  3.5  3.6  3.3      11.5  7.3  3.7  6.5  8.0            2.2  2.8  3.3  4.8
01Z:       3.7  2.2       2.0  2.1  6.7  2.9  3.6  3.5  2.8      13.6  5.3  3.4  6.6                  B    B   3.5  3.5
02Z:            3.0       2.1  2.3  6.9  2.9   C   3.5  2.8      11.5  3.4  2.9  4.3  9.7            2.2   B   3.5  3.0
03Z:  3.0  4.4  5.3       2.1  2.2  6.6  2.5   C   3.6  3.0      10.5  4.7  2.9  2.7                 2.3   B   2.6  2.9
04Z:  2.7  5.8  6.8       3.6  2.3  6.8  2.2  2.9  3.4  3.0       7.8   A   2.9   B  11.2            2.4       3.9   A
05Z:  2.5  6.6  6.9       5.8       5.6  2.1  2.5  3.1  3.6       5.2   A   2.3      13.4            2.7   B   5.1   A
06Z:  2.3  7.0  6.1       6.5  5.3       2.2  3.5  2.9  4.0       5.0   A   2.9  3.7 15.0            2.2   B   6.8  3.5
07Z:  3.2       7.2       7.4  5.8  4.0  3.9  5.2  3.5  4.2       5.9  3.2  2.4  2.2 14.8            2.5   B   7.3  3.8
08Z:       7.5  7.4       7.6  6.8  3.1  5.8  6.8       4.4       4.2   A   2.8  3.0                 2.4  4.7  6.3  4.0
09Z:  5.0  6.6            6.6  5.5  2.1                 4.2       2.3  3.3   A   2.2                 2.4  4.4  6.8  3.8
10Z:  5.3  7.4       2.8  7.8  4.3  2.0                 3.8       2.1  3.6   B   3.5                  B   3.0  7.7  4.1
11Z:  5.5                 5.9                           4.0       3.0  3.9  3.1  3.7  6.7            4.4  5.0  7.0  3.9
12Z:  5.0  7.0 13.2       4.6 13.3  2.4                 5.5       3.5  3.6  4.9   B   6.7       3.5  5.9  5.8  6.7  3.7
13Z:       5.2  2.4       3.8       2.6                 7.8  5.1  3.6  2.2   B    A   6.5       3.6  6.1  7.1  7.6  4.4
14Z:            2.0       2.6       2.4                 7.1  6.0  2.2   B   7.2   A   3.8       2.2  7.0  6.5  7.7  6.9
15Z:      13.8  2.0       2.1                           8.6  7.4  2.0   B   6.9   B   3.0   F   2.0  7.2  8.6  5.0  7.6
16Z:            2.2       2.1                           8.9  7.8  2.4   B   8.7   A   3.2   R   2.4  8.7       3.5  8.9
17Z:       3.3  2.2  4.0  2.1                           9.9  9.0  5.7   B   7.6   B   3.8   F   5.7  8.2  8.2  3.7  9.9
18Z:       3.4       3.0  2.1  4.0                      9.9  9.1        B   6.8  4.4  4.9  5.8       7.0  8.7  3.7  9.7
19Z:                                                    8.6             B   6.8  3.7  3.5   F        5.8       2.9  9.3
20Z:                                                    7.5             B   5.8   B   3.4  6.8       5.5  5.8   C   7.6
21Z:                                                    6.6             B    A    B   3.0   F        4.1  5.1  3.4  7.5
22Z:                                                    6.9             B   4.0   B   2.7   F        3.8   B   3.4  8.2
23Z:                                                    5.4             B    A   4.8  5.8            2.7  3.1  3.6  8.3
=========================================
Estimated Average Global foF2:  4.96 MHz.


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

      MUR  ASH  TOM  DIX  SVE  SAL  MAG  JUL  WLP  MAU  VBG  GOO  EIE  TAO  CHU  KEA  ARG  BER  NIC  DYS
     ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----
00Z:      10.9  6.4                      8.1 11.9 35.1 24.8 10.7 20.1 28.8            6.2  6.4 10.2 16.8
01Z:      11.1  7.0       6.0  6.5 24.8  8.1  8.4 46.2 17.5  9.2 21.8                  B    B  11.9 12.2
02Z:           10.2            7.1 26.2  8.1  7.6 38.0 11.9  8.4 15.5 34.9            6.2   B  12.2  9.0
03Z:  9.0 13.2 19.1       6.7  6.8 24.4  7.5  8.4 33.6 17.9  8.7  9.2                 6.0   B   9.6  8.7
04Z:  8.9 19.7 23.8            7.4 23.8  6.4  8.4 28.5   A   8.1   B  37.0            6.5      11.7   A
05Z:  7.8 23.1 22.1      19.7      19.6  6.1 10.1 15.6   A   6.7      45.6            7.6   B  17.9   A
06Z:  7.1 21.7 20.7      22.8 18.0       6.6 10.8 14.2   A   7.2 11.1 49.5            6.6   B  25.8 10.5
07Z: 10.6      23.8      24.4 19.7 14.0 12.5 11.8 20.4  8.0  6.5  5.9 50.3            6.8   B  26.3 11.0
08Z:      24.8 28.1      25.8 22.4 10.5 21.5 13.2 14.3   A   6.7  7.5                 6.0 15.0 22.7 12.0
09Z: 17.0 22.4           23.1 19.2  6.7      12.6  7.7  9.6   A   6.2                 6.7 15.4 22.4 11.0
10Z: 18.0 23.7       9.0 25.7 13.8  6.0      11.8   F  10.4   B  12.2                  B  11.4 25.4 11.9
11Z: 18.7                19.5                13.2  9.1 10.9  9.6 10.7 21.4           15.4 17.0 24.5 12.1
12Z: 16.0 23.8 40.9      15.2 42.6  6.7      19.8 11.4 10.8 16.2   B  22.1      11.6 19.5 20.9 22.8 11.1
13Z:      17.2  7.9                 7.3      27.3 12.4  7.7   B    A  24.1      12.6 20.7 25.6 27.4 14.5
14Z:            6.0       7.8       6.7      23.4  7.4   B  21.6   A  12.5       7.5 22.4 22.8 29.3 24.8
15Z:      40.0  5.6       5.9                27.5  6.1   B  22.1   B   8.1   F   6.2 22.3 29.2 17.5 25.1
16Z:            5.9       5.9                28.5  6.2   B  27.0   A   9.0   R   6.2 27.0      12.2 30.3
17Z:       9.6      10.4                     32.7 19.4   B  24.3   B  11.0   F  19.4 26.2 27.9 11.1 31.7
18Z:       8.5       9.3  5.9 12.0           33.7        B  22.4 12.3 16.7 18.0      23.1 31.3 12.6 33.0
19Z:                                         29.2        B  21.8 10.0 12.6   F       19.7       7.8 30.7
20Z:                                         26.2        B  16.8   B  11.6 19.7      17.0 19.7   C  23.6
21Z:                                         18.5        B    A    B   9.0   F       11.5 17.9  9.9 22.5
22Z:                                         20.7        B  12.0   B   8.1   F       10.6   B   9.5 26.2
23Z:                                         17.3        B    A  13.4 19.1            7.6 11.8 10.1 25.7
===============================================
Estimated Average Global MUF(3000)F2: 15.74 MHz.


OBSERVED TOTAL IONOSPHERIC ELECTRON CONTENT
-------------------------------------------

      TAO  ANC  CNV  PAL  BOU  SHE  OSA
     ---- ---- ---- ---- ---- ---- ----
00Z:  300   58  120  360  150
01Z:        25   91  390   78
02Z:  430   23   87  310   61
03Z:        36   90  260
04Z:  830  7.0   97  160   37
05Z:  770   21  100   87   39
06Z:  660   17  110   81   41
07Z:        17  110  110   42
08Z:       1.9  110   53   41
09Z:  400   17  120   49   49
10Z:        16  120   26   50
11Z:  210   16  110   29   47
12Z:  180   16  120   35
13Z:  150   14  180   41   46
14Z:  180   18  200   43   60
15Z:  120   32  260   43  120
16Z:  120   35  280   49  190
17Z:  130   43  300   85  260
18Z:  170   57  310
19Z:  140   90  290  200
20Z:  110  120  250  280
21Z:   96  150  210  360  210
22Z:  140  200  240  460  200
23Z:  270  280  250  580  250


LIST OF REPORTING STATIONS AND THE SATELLITES THEY USE TO MEASURE TEC:

MUR = Murmansk                   USSR                (N68E033)
ASH = Ashkhabad                  USSR                (N37E058)
TOM = Tomsk                      USSR                (N56E085)
DIX = Dixon                      USSR                (N74E081)
SVE = Sverdlovsk                 USSR                (N56E061)
SAL = Salekhard                  USSR                (N66E066)
MAG = Magadan                    USSR                (N60E151)
JUL = Juliusruh/Rugen            Germany             (N54E013)
WAR = Warsaw                     Poland              (N52W021)
POI = Poitiers                   France              (N46E000)
WLP = Wallops Island VA          USA                 (N37W075)
OTI = Ottawa                     Canada              (N45W076)
MAU = Maui HI                    USA                 (N20W157)
VBG = Vandenberg AFB CA          USA                 (N34W120)
GOO = Goose Bay                  Canada              (N53W060)
EIE = Eielson AFB AK             USA                 (N64W147)
TAO = Taoyuan                    Taiwan              (N25E121)
CHU = Churchill                  Canada              (N58W094)
KEA = Keakawapu HI               USA                 (N20W156)
ARG = Argentia                   Canada              (N48W053)
BER = Bermuda                    Bermuda             (N32W064)
NIC = Nicosia                    Cyprus              (N35E033)
DYS = Dyess AFB TX               USA                 (N32W099)
ANC = Anchorage AK               USA                 (N61W150)
CNV = Cape Canaveral FL          USA                 (N28W080)
PAL = Palehua HI                 USA                 (N21W158)
BOU = Boulder CO                 USA                 (N40W105)
SHE = Shemya AK                  USA                 (N52E174)
OSA = Osan AB                    Korea               (N37E127)


DESCRIPTIVE CODES WHICH MAY APPEAR IN THE FOF2, M(3000), OR SID SECTIONS:

            A = Blanketing Sporadic E
            B = Complete Absorption
            C = Equipment Problems
            D = Frequency Higher than Equipment
            E = Frequency Lower than Equipment
            F = Spread Echoes
            G = FOF2 is less than FOF1
            I = Smoothed Value
            R = Attenuation


     Values in this experimental daily report have not been checked
     for errors and may occasionally contain a few.  Total electron
     content values are given in units of 10^15 electrons per square meter.


