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From: oler@rho.uleth.ca (Cary Oler)
Message-Id: <9308180626.AA03401@rho.uleth.ca>
Subject: Daily Summary of Ionospheric Data for 17 August
To: solar-daily@lut.fi
Date: Wed, 18 Aug 93 0:26:41 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 17 AUG 93
                    ---------------------------------------


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

     MUR  ASH  SAL  TOM  DIX  MAG  JUL  BOU  GOO  EIE  TAO  KEA  ARG  BER  NIC  DYS  LEA
     ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---
00Z:      2.9                      2.6  2.8   A   2.7  3.2  3.0   B   3.1  2.8  3.0  3.3
01Z:                               2.5        A    A   3.1  3.0   B   3.3  2.8  3.3  2.8
02Z:      2.9                      2.7        A    A   2.9  2.8   A   2.8  2.8  2.7  3.0
03Z:      2.8                      3.0        A   3.4  3.0  3.1   B   2.7  3.4  2.8  3.1
04Z:      2.5                      3.2        A   3.6  3.0  3.3   B   3.8  2.8  2.7  3.2
05Z:      3.0                      3.1       2.4  4.3  3.0  3.1   B   2.7  3.3  2.8
06Z:                          2.8             A   3.6  3.1  3.1   B   2.8  3.1       3.2
07Z:      3.0                 2.7             A    A   3.1  2.7   B    A   3.2  2.7  3.3
08Z:      2.9                 2.6             A   3.6  3.0  2.8   B    B   3.1  3.3  3.3
09Z:      2.9       2.7       3.0            2.9  3.7  3.3  2.7   B    B   2.9   B   3.6
10Z:      2.9       2.8       3.0            3.1  3.7  3.3  3.2  3.3  3.4  3.1   A   3.9
11Z:      3.2       3.0                      2.9  3.5  3.3  3.3   A   3.2  3.1   B   3.6
12Z:      2.9       3.2  3.1  2.8            3.4  3.8  3.2  3.2   A    A   3.3  2.9  3.3
13Z:      2.9  2.9       2.8  3.2             A   4.1  2.7  3.1  3.7   A   3.4  3.1  3.5
14Z:      2.9  3.0  3.1       3.2             A   2.5  2.9  3.3   B   4.0  3.3  3.2  3.0
15Z:      3.0       2.9  2.9  2.8             B   3.0  2.9  3.3   B   2.3  3.3   A   3.3
16Z: 2.9  3.0  3.0  2.9  3.1  3.0            2.6   A   2.9  3.3   A   2.6  3.2   A   3.7
17Z: 3.1       2.9  2.9  3.1  2.8            3.2  2.9  3.0  3.4  2.9  2.8  3.3   A   3.0
18Z: 3.1       2.9  2.9                      2.8  3.7   I        3.0  3.3  3.2   A   3.5
19Z:                                         2.8  3.8  3.5       3.2   A   3.2  4.6  3.5
20Z:                                         2.8  2.6  3.2       3.0  3.2  3.0  3.6  3.1
21Z:                                         3.0  2.9            2.9  3.1   C   3.4  3.2
22Z:                                         2.9  3.1  3.5       3.0  3.1  3.0  2.8  3.4
23Z:                                         2.9  3.2  3.7       3.1  3.0  3.5  3.1  3.3
=========================================
Estimated Average Global M(3000)F2:  3.10.


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

     MUR  ASH  SAL  TOM  DIX  KHA  MAG
     ---  ---  ---  ---  ---  ---  ---
00Z:      2.0                 1.3  1.1
01Z:      1.5       1.0       2.5  1.2
02Z:      1.8       1.4
03Z:      1.5       1.2            1.2
04Z:      1.5       1.2            1.5
05Z:      2.0       1.8            1.2
06Z:      2.2       1.8  3.1       1.1
07Z:      2.5       1.4  3.1       1.4
08Z:      2.3            3.0       1.2
09Z:      2.3       1.3            1.4
10Z:      2.2       1.0            1.3
11Z:      1.7       1.0            1.5
12Z:      1.8       1.2  2.8       1.5
13Z: 2.9  2.0  2.0       1.3       1.6
14Z: 2.9  2.0  1.5  1.0            1.6
15Z: 3.0  1.7       1.0  1.0       1.6
16Z: 2.5  2.0  1.5  1.0  1.4       1.6
17Z: 1.0       1.0  1.5  1.0       1.5
18Z: 1.0       1.5  1.0
19Z:
20Z:
21Z:
22Z:
23Z:


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

     MUR  ASH  SAL  TOM  DIX  KHA  MAG
     ---  ---  ---  ---  ---  ---  ---
00Z:                          3.2  3.1
01Z:      3.2                 4.5  3.0
02Z:      3.5
03Z:      4.8       3.0            3.1
04Z:      3.7                      3.1
05Z:      3.9
06Z:      4.0                      4.0
07Z:      3.7                      3.2
08Z:      4.6                      4.2
09Z:                               4.3
10Z:      3.9       2.8            4.3
11Z:                3.0            2.8
12Z:      3.5            4.0       2.7
13Z:      3.2            3.2       2.4
14Z:      3.9       3.4
15Z:      6.2       3.2  3.2
16Z:           2.0       2.7
17Z: 2.8                 4.0       2.8
18Z:           1.7
19Z:
20Z:
21Z:
22Z:
23Z:


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

      MUR  ASH  SAL  TOM  DIX  MAG  JUL  POI  BOU  OTI  GOO  EIE  TAO  RES  KEA  ARG  BER  NIC  DYS  LEA
     ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----
00Z:       3.8                 3.9  2.6  4.5  5.2        A   5.1  5.7   F   8.3   B   4.1  4.4  5.3  6.3
01Z:                           4.1  2.6  3.5             A    A   6.4   F   7.4   B   4.4  3.9  5.0  7.2
02Z:       4.3                      2.6  3.1             A    A   7.1   F   7.4   A   4.4  3.4  4.4  9.1
03Z:       5.1                      2.2  2.8             A   9.8  9.3   F   7.5   B   5.0  3.9  4.3 10.2
04Z:       5.3                      2.8  3.0             A   8.4  9.5   F   7.2   B   4.0  5.2  4.2  9.4
05Z:       6.0                 4.3  3.2  3.1            9.1 11.3  9.5   F   5.4   B   4.1  6.2  4.8
06Z:                           4.6  3.5  3.6             A   8.7  9.2       4.6   B   3.8  5.7       8.4
07Z:       6.0            4.4  4.4  4.1  3.8             A    A   8.3       3.6   B    A   6.4  4.1  7.7
08Z:       6.4            4.5  5.3  4.0                  A   3.8  8.4       3.7   B    B   6.5  4.1  7.4
09Z:       6.5       4.6       4.8                      9.1  3.6  9.5       3.9   B    B   6.0   B   6.9
10Z:       6.3       4.6       4.7                      3.7  3.6  9.4       4.4  3.9  3.1  6.5   A   4.2
11Z:       6.2       4.6                                9.2  3.7  7.4       4.1   A   4.1  6.5   B   3.9
12Z:       5.8       4.7  4.1  3.9                 3.8  4.2  3.6  4.5       3.4   A    A   7.1  3.5  3.4
13Z:  4.1  5.8  4.3       4.2  3.6                 4.3   A   4.3  3.6       3.1  4.4   A   6.2  4.4  3.2
14Z:  4.1  5.9  4.1  4.4       3.0                       A   3.9  3.3       2.5   B   5.2  6.1  4.5  3.8
15Z:  4.1  6.3       4.6  4.6  2.4                       B   4.4  3.7       1.8   B   5.5  6.2   A   3.1
16Z:  4.1  6.4  4.0  4.2  4.5  2.1                      4.8   A   3.6       3.0   A   5.3  6.7   A   4.8
17Z:  4.1       3.9  3.8  4.4  1.9                      4.9  4.4  3.5       5.0  5.2  5.6  6.9   A   4.0
18Z:  4.2       4.0  3.2                           4.8  4.8  3.8   I             5.1  5.5  7.0   A   4.7
19Z:                                                    4.8  4.3  3.6   R        4.9   A   5.8  4.6  5.1
20Z:                                                    4.7  4.7  2.3   F        5.1  5.8  4.9  4.7  4.4
21Z:                                                    5.0  4.8        R        5.2  5.6   C   4.8  4.5
22Z:                                                    5.1  4.9  4.7  4.7       5.5  5.8  4.1  5.3  5.2
23Z:                                                    5.4  4.7  5.5   F        5.9  5.7  3.3  5.1  6.3
=========================================
Estimated Average Global foF2:  5.01 MHz.


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

      MUR  ASH  SAL  TOM  DIX  MAG  JUL  BOU  GOO  EIE  TAO  KEA  ARG  BER  NIC  DYS  LEA
     ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----
00Z:      11.0                      6.8 14.8   A  13.8 18.2 24.9   B  12.7 12.3 15.9 20.8
01Z:                                6.5        A    A  19.8 22.2   B  14.5 10.9 16.5 20.2
02Z:      12.5                      7.0        A    A  20.6 20.7   A  12.3  9.5 11.9 27.3
03Z:      14.3                      6.6        A  33.3 27.9 23.2   B  13.5 13.3 12.0 31.6
04Z:      13.2                      9.0        A  30.2 28.5 23.8   B  15.2 14.6 11.3 30.1
05Z:      18.0                      9.9      21.8 48.6 28.5 16.7   B  11.1 20.5 13.4
06Z:                          12.9             A  31.3 28.5 14.3   B  10.6 17.7      26.9
07Z:      18.0                11.9             A    A  25.7  9.7   B    A  20.5 11.1 25.4
08Z:      18.6                13.8             A  13.7 25.2 10.4   B    B  20.1 13.5 24.4
09Z:      18.9      12.4      14.4           26.4 13.3 31.4 10.5   B    B  17.4   B  24.8
10Z:      18.3      12.9      14.1           11.5 13.3 31.0 14.1 12.9 10.5 20.1   A  16.4
11Z:      19.8      13.8                     26.7 12.9 24.4 13.5   A  13.1 20.1   B  14.0
12Z:      16.8      15.0 12.7 10.9           14.3 13.7 14.4 10.9   A    A  23.4 10.2 11.2
13Z:      16.8 12.5      11.8 11.5             A  17.6  9.7  9.6 16.3   A  21.1 13.6 11.2
14Z:      17.1 12.3 13.6       9.6             A   9.8  9.6  8.2   B  20.8 20.1 14.4 11.4
15Z:      18.9      13.3 13.3  6.7             B  13.2 10.7  5.9   B  12.6 20.5   A  10.2
16Z: 11.9 19.2 12.0 12.2 13.9  6.3           12.5   A  10.4  9.9   A  13.8 21.4   A  17.8
17Z: 12.7      11.3 11.0 13.6  5.3           15.7 12.8 10.5 17.0 15.1 15.7 22.8   A  12.0
18Z: 13.0      11.6  9.3                     13.4 14.1   I       15.3 18.1 22.4   A  16.4
19Z:                                         13.4 16.3 12.6      15.7   A  18.6 21.2 17.9
20Z:                                         13.2 12.2  7.4      15.3 18.6 14.7 16.9 13.6
21Z:                                         15.0 13.9           15.1 17.4   C  16.3 14.4
22Z:                                         14.8 15.2 16.4      16.5 18.0 12.3 14.8 17.7
23Z:                                         15.7 15.0 20.4      18.3 17.1 11.6 15.8 20.8
===============================================
Estimated Average Global MUF(3000)F2: 15.53 MHz.


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

      BOU  TAO  ANC  CNV  PAL  SHE  OSA
     ---- ---- ---- ---- ---- ---- ----
00Z:  130       120       250
01Z:  120       130  120  230
02Z:   92       140  100  240
03Z:   83       120   91  200
04Z:   74        82  110  170
05Z:   74        72  100  130
06Z:   70        70  120  100
07Z:   69        64   83   73
08Z:   70        45   71   61
09Z:   63  450   34        56
10Z:   57  400   35   76   61
11Z:   57        33   76   59
12Z:   59        32  100   56
13Z:   58   92   25  140   39
14Z:   59   79   20  160   32
15Z:   65   80   32  180   20
16Z:   69   85   60  180   24
17Z:   63   89   88  180   69
18Z:   57   96   95  180  130
19Z:   57  100   92  170  150
20Z:   65   99   99  170  200
21Z:            100  180  260
22Z:   71       100  190  310
23Z:   73        97  200  350


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

MUR = Murmansk                   USSR                (N68E033)
ASH = Ashkhabad                  USSR                (N37E058)
SAL = Salekhard                  USSR                (N66E066)
TOM = Tomsk                      USSR                (N56E085)
DIX = Dixon                      USSR                (N74E081)
KHA = Khabarovsk                 USSR                (N48E135)
MAG = Magadan                    USSR                (N60E151)
JUL = Juliusruh/Rugen            Germany             (N54E013)
POI = Poitiers                   France              (N46E000)
BOU = Boulder CO                 USA                 (N40W105)
OTI = Ottawa                     Canada              (N45W076)
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)
ARG = Argentia                   Canada              (N48W053)
BER = Bermuda                    Bermuda             (N32W064)
NIC = Nicosia                    Cyprus              (N35E033)
DYS = Dyess AFB TX               USA                 (N32W099)
LEA = Learmonth                  Australia           (S21E115)
ANC = Anchorage AK               USA                 (N61W150)
CNV = Cape Canaveral FL          USA                 (N28W080)
PAL = Palehua HI                 USA                 (N21W158)
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.


