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From: oler@rho.uleth.ca (Cary Oler)
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Subject: Daily Summary of Ionospheric Data for 10 July
To: solar-daily@lut.fi
Date: Sun, 11 Jul 93 1:38:05 MDT
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Reply-To: SOLAR-DAILY Distribution List <solar-daily@lut.fi>
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Status: OR

                    ---------------------------------------
                    DAILY IONOSPHERIC SUMMARY FOR 10 JUL 93
                    ---------------------------------------


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

     MUR  ASH  SAL  TOM  DIX  KHA  MAG  MAU  VBG  GOO  EIE  TAO  RES  KEA  BER  NIC  DYS  TOW
     ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---
00Z:                                    2.7  3.2  3.2  3.5  3.6  2.9  2.7   B   2.9  3.1
01Z:                                    2.8  3.2  2.9  3.0        F   2.8   B   3.2  3.3
02Z:                                    3.0  3.4  2.7  2.9   R    F   3.0   A   3.1  3.1
03Z:                                    3.1  2.7  2.7  2.7  3.2  3.1  3.1  3.1  3.0  2.9
04Z:                                    3.0  3.5  3.0  3.1   I    F   3.0   B   3.2  3.1
05Z:                                    3.2  3.2  2.8  3.0        F   3.2   B        2.8
06Z:                                    3.3  3.3  3.1  3.1  2.8       3.3   B        3.1
07Z:                                    3.0  3.0  3.4  3.0  3.0       3.1   B        3.2
08Z:                                    2.9  2.8  3.1  3.1            2.9   B        3.2
09Z:                                    3.0  2.6  3.3   A   3.4       3.0  3.3       2.9
10Z:                                    2.8  2.9  3.6   A    A        2.8  3.1        B
11Z:                                    2.9  2.7  3.7   A   3.4       2.9  3.2       3.1
12Z:      2.9                 2.9       3.0  3.4  3.6   A    A        3.1  3.5       3.3  3.0
13Z:      3.1  2.9  3.0       2.8  3.2  3.1   A   3.4   A   3.0       3.1  3.7       3.1
14Z:           3.1  3.0       3.1  3.2  3.8  3.3  3.8  2.5  2.8       3.8   A        3.2
15Z:      3.0  3.1  3.2  2.8  2.8  3.2  2.8  3.0  3.6  3.1  2.9       2.9   A        2.9
16Z: 3.0       3.1  3.1       2.9       3.1  3.1  3.8  3.2  3.1       3.1   A   3.4   A
17Z: 3.0       3.0  3.0       3.1       3.0  3.5   A   4.0  3.1       3.0  3.0  3.2  3.3
18Z:                               2.8        A   3.4  3.2   F             3.1  2.9   A   3.1
19Z:                                         3.0  3.1  3.6   F             3.2  3.0   A   2.8
20Z:                                         2.8  2.8   A                   A   2.8  2.8  3.4
21Z:                                         2.8  2.8  2.9                 2.7  2.7  3.4  3.8
22Z:                                         3.1  3.1  2.7  3.2   F        3.4  2.9  3.2  3.5
23Z:                                         3.4  3.1  3.7   A   2.9        A   3.0  3.3
=========================================
Estimated Average Global M(3000)F2:  3.10.


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

     MUR  ASH  SAL  TOM  DIX  KHA  MAG
     ---  ---  ---  ---  ---  ---  ---
00Z:
01Z:
02Z:
03Z:
04Z:
05Z:
06Z:
07Z:
08Z:
09Z:
10Z:
11Z:
12Z:      2.2                 1.0
13Z: 1.0  1.8  1.6  1.0  1.0  1.0  1.0
14Z:      2.1  1.7  1.0  1.0  1.0  1.0
15Z: 1.0  2.0  1.0  1.0  1.0  1.0  1.0
16Z: 1.0       1.0  1.0       1.1
17Z: 1.5       1.0  1.0       1.3
18Z:                               1.0
19Z:
20Z:
21Z:
22Z:
23Z:


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

     ASH  SAL  TOM  DIX  KHA  MAG
     ---  ---  ---  ---  ---  ---
00Z:
01Z:
02Z:
03Z:
04Z:
05Z:
06Z:
07Z:
08Z:
09Z:
10Z:
11Z:
12Z: 4.4                 4.2
13Z: 3.8            3.9  4.5
14Z: 4.0       1.5  3.8  6.0
15Z: 3.3       4.0  3.6  3.0
16Z:      5.0  3.0       3.0
17Z:      5.1  3.9
18Z:                          2.1
19Z:
20Z:
21Z:
22Z:
23Z:


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

      MUR  ASH  SAL  TOM  DIX  KHA  MAG  MAU  VBG  GOO  EIE  TAO  RES  KEA  BER  NIC  DYS  TOW
     ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----
00Z:                                     8.5  6.4  4.5  4.4  6.6  5.1  8.5   B   7.4  6.7
01Z:                                     9.3  5.7  3.9  4.8       5.2  9.3   B   7.8  6.7
02Z:                                    10.4  6.9  3.0  5.0   R    F  10.4   A   6.0  5.9
03Z:                                    10.6  7.4  3.3  5.2  6.3  5.1 10.6  4.7  5.1  5.2
04Z:                                     9.9  6.6  3.4  5.4   I   4.7  9.9   B   5.8  4.1
05Z:                                    10.2  7.3  2.5  4.9        F  10.2   B        4.7
06Z:                                     9.2  5.3  2.7  4.5  6.5       9.2   B        4.5
07Z:                                     7.5  4.9  2.4  3.2  8.3       7.5   B        4.0
08Z:                                     7.2  4.5  3.2  4.9            7.2   B        3.7
09Z:                                     6.7  4.2  3.3   A   5.3       6.7  3.2       3.2
10Z:                                     6.0  3.9  3.6   A    A        6.0  5.0        B
11Z:                                     6.5  4.0  3.9   A   5.7       6.5  5.0       3.2  3.9
12Z:       7.3                 6.2       6.9  3.7  4.1   A    A        6.9  4.5       4.6  3.9
13Z:  4.9  7.1  5.0  4.9  4.5  6.8  5.9  6.8   A   4.5   A   5.2       6.8  4.5       5.1
14Z:            4.9  5.3  4.5  5.7  5.1  6.4  6.3  4.5  4.2  5.2       6.4   A        6.2  3.8
15Z:  4.8  6.5  4.8  5.4  4.8  5.1  4.5  3.7  5.3  4.6  3.9  5.5       3.7   A        6.1  3.4
16Z:  5.0       4.9  5.5       4.6       4.0  6.5  4.5  4.3  5.2       4.0   A   7.7   A   3.2
17Z:  4.8       5.1  5.3       4.4       5.3  6.0   A   4.6  4.7       5.3  6.0  6.4  5.5  3.6
18Z:                                4.3        A   4.6  4.3   F             5.8  6.1   A   3.8
19Z:                                          6.2  4.9  4.4   F             4.7  5.9   A   3.2
20Z:                                          6.4  5.1   A                   A   6.0  5.2  3.3
21Z:                                          6.3  5.5  4.9                 5.8  6.0  5.2  4.7
22Z:                                          6.7  5.9  4.7  4.9   F        5.4  6.2  6.1  6.4
23Z:                                          6.1  5.5  4.2   A   5.1        A   6.3  6.2
=========================================
Estimated Average Global foF2:  5.51 MHz.


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

      MUR  ASH  SAL  TOM  DIX  KHA  MAG  MAU  VBG  GOO  EIE  TAO  RES  KEA  BER  NIC  DYS  TOW
     ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----
00Z:                                    23.0 20.5 14.4 15.4 23.8 14.8 23.0   B  21.5 20.8
01Z:                                    25.6 18.2 11.3 14.4        F  26.0   B  25.0 22.1
02Z:                                    31.2 23.5  8.1 14.5   R    F  31.2   A  18.6 18.3
03Z:                                    32.9 20.0  8.9 14.0 20.2 15.8 32.9 14.6 15.3 15.1
04Z:                                    29.7 23.1 10.2 16.7   I    F  29.7   B  18.6 12.7
05Z:                                    32.6 23.4  7.0 14.7        F  32.6   B       13.2
06Z:                                    30.4 17.5  8.4 13.9 18.2      30.4   B       13.9
07Z:                                    22.9 14.7  8.2  9.6 24.9      23.2   B       12.8
08Z:                                    20.9 12.6  9.9 15.2           20.9   B       11.8
09Z:                                    19.8 10.9 10.9   A  18.0      20.1 10.6       9.3
10Z:                                    16.8 11.3 13.0   A    A       16.8 15.5        B
11Z:                                    18.9 10.8 14.4   A  19.4      18.9 16.0       9.9
12Z:      21.2                18.0      21.0 12.6 14.8   A    A       21.4 15.8      15.2 11.7
13Z:      22.0 14.5 14.7      19.0 18.9 21.1   A  15.3   A  15.6      21.1 16.6      15.8
14Z:           15.2 15.9      17.7 16.3 24.3 20.8 17.1 10.5 14.6      24.3   A       19.8
15Z:      19.5 14.9 17.3 13.4 14.3 14.4 10.5 15.9 16.6 12.1 16.0      10.7   A       17.7
16Z: 15.0      15.2 17.0      13.3      12.4 20.1 17.1 13.8 16.1      12.4   A  26.2   A
17Z: 14.4      15.3 15.9      13.6      15.6 21.0   A  18.4 14.6      15.9 18.0 20.5 18.1
18Z:                               12.0        A  15.6 13.8   F            18.0 17.7   A  11.8
19Z:                                         18.6 15.2 15.8   F            15.0 17.7   A   9.0
20Z:                                         17.9 14.3   A                   A  16.8 14.6 11.2
21Z:                                         17.6 15.4 14.2                15.7 16.2 17.7 17.9
22Z:                                         20.8 18.3 12.7 15.7   F       18.4 18.0 19.5 22.4
23Z:                                         20.7 17.0 15.5   A  14.8        A  18.9 20.5
===============================================
Estimated Average Global MUF(3000)F2: 17.07 MHz.


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

      TAO  PAL  SHE  OSA  CNV  BOU  ANC
     ---- ---- ---- ---- ---- ---- ----
00Z:  190  270            160  220   76
01Z:  200  300            150  220   74
02Z:  220  320            110  220   76
03Z:  240  320             87  210   78
04Z:  250  300             79  190   74
05Z:  270  310             72        70
06Z:  300  250             69        71
07Z:  320  180             65  160   65
08Z:  320  140             60  160   62
09Z:  350  130             50  160   57
10Z:  250  120                 150   40
11Z:  160  120             44  150   28
12Z:  120  120             87  150   23
13Z:  120  120            120  200   25
14Z:  100   87            140  220   30
15Z:   99   50            170  230   42
16Z:   84   58            170  240   60
17Z:   68  110            180  220   60
18Z:   68  170            170  200   82
19Z:   73  180            160  210   86
20Z:   88  210            150  200   87
21Z:                           210   89
22Z:  170  300            170  220   89
23Z:  220  340            190  210   73


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

MUR = Murmansk                   USSR                (N68E033) (GOES-3)
ASH = Ashkhabad                  USSR                (N37E058) (GOES-3)
SAL = Salekhard                  USSR                (N66E066) (GOES-3)
TOM = Tomsk                      USSR                (N56E085) (GOES-3)
DIX = Dixon                      USSR                (N74E081) (GOES-3)
KHA = Khabarovsk                 USSR                (N48E135) (GOES-3)
MAG = Magadan                    USSR                (N60E151) (GOES-3)
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)
RES = Resolute Bay               Canada              (N74W094)
KEA = Keakawapu HI               USA                 (N20W156)
BER = Bermuda                    Bermuda             (N32W064)
NIC = Nicosia                    Cyprus              (N35E033)
DYS = Dyess AFB TX               USA                 (N32W099)
TOW = Townsville                 Australia           (S19E147)
PAL = Palehua HI                 USA                 (N21W158)
SHE = Shemya AK                  USA                 (N52E174)
OSA = Osan AB                    Korea               (N37E127)
CNV = Cape Canaveral FL          USA                 (N28W080)
BOU = Boulder CO                 USA                 (N40W105)
ANC = Anchorage AK               USA                 (N61W150)


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.


