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From: oler@rho.uleth.ca (Cary Oler)
Message-Id: <9308210114.AA13555@rho.uleth.ca>
Subject: Daily Summary of Ionospheric Data for 19 August
To: solar-daily@lut.fi
Date: Fri, 20 Aug 93 19:14:39 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 19 AUG 93
                    ---------------------------------------


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

     MUR  TOM  DIX  KHA  MAG  ASH  SAL  JUL  UPS  BOU  GOO  EIE  TAO  RES  CHU  KEA  ARG  BER  NIC  DYS  LEA
     ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---
00Z:      3.1                           2.8       3.1  2.8  2.6  3.6   F        2.9  3.0  3.6  2.9  3.2  3.4
01Z: 2.6  3.2                      2.9  3.0            2.7  2.9  3.2  3.1       3.0  2.8  3.3  2.8  3.4  3.3
02Z: 2.8  3.2                      2.9  2.8            3.0  2.9  3.1   F         A   3.0  2.9  3.0  3.2  3.6
03Z:      3.1                      2.6  2.7  2.9        A   3.0  2.7   F        3.2   B   2.9  3.1   A   3.5
04Z:      3.1       2.7       3.3  2.8  3.0  2.8       2.9  3.2   C   3.2       3.0   B   2.9  3.4   A   3.3
05Z:      3.2                      3.0  3.3  2.6       2.9  3.1  3.0   F        3.3   B   2.8       2.8  3.2
06Z:      3.1       2.4  3.1       2.7                 2.4  3.8  3.1            3.2   B   3.0       2.9  3.4
07Z:      3.1            3.2  3.1  3.0  2.6             A        3.0            2.9   B   3.2       2.8  3.5
08Z:                3.0  2.9  2.8  3.1  3.3             A         C             2.8   B   3.2       2.9  2.9
09Z:                     3.0  2.9  3.1                 2.7        C             2.6  3.1  3.2       3.0  3.2
10Z:      3.3  2.9  2.6  3.0  3.2  3.0                 2.6        C             2.7  3.1  3.4        A    A
11Z: 2.8  3.8  2.8       3.0       3.0                 2.7        C             2.8  2.9  3.6        A   4.2
12Z:      3.3            2.9                            B         C             3.0  2.9  3.5        A   3.4
13Z:      3.1  3.1       3.0       3.0                 3.4       3.2        C   2.9   B   3.1       3.2  3.1
14Z: 3.1  3.1  3.0       3.0       3.1                 3.3       3.0        C   3.3   B   3.3       3.3  2.7
15Z: 3.1  3.0  3.1                 3.1                 3.6       3.0        C   3.0  3.6  3.0       3.1  3.0
16Z:      3.3  3.1                 3.2                 3.4        F         C   3.2  3.9  3.2  3.2  3.2  3.5
17Z:      3.0                 3.1  3.1                 3.4        F         C   2.9   A   2.9  3.2  3.0  3.4
18Z: 3.3  3.1                 3.0  2.7                 2.9       3.3       2.8        A    B   3.3  3.0  3.3
19Z:                                                   2.8        F        2.5       3.0   B   3.3  3.0  3.0
20Z:                                                   2.6  2.8  3.1       2.6       2.9  3.0  2.9  2.9  3.1
21Z:                                                   2.8   B   3.2  2.9            2.9  3.1  2.9  3.0  3.0
22Z:                                                   3.0       3.2   F             3.0  3.6  3.0  3.2  3.5
23Z:                                                   3.0       3.4   F             3.1  4.1       3.3  3.8
=========================================
Estimated Average Global M(3000)F2:  3.07.


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

     MUR  TOM  DIX  KHA  MAG  ASH  SAL
     ---  ---  ---  ---  ---  ---  ---
00Z: 1.0  1.7       1.2  1.5
01Z: 2.0  1.2            2.0       1.0
02Z: 1.0  1.1  3.0                 1.0
03Z:      1.8       1.5  1.4       1.5
04Z:      1.4       1.2  1.2  2.0  2.0
05Z:      1.2            1.2       3.0
06Z: 1.0  1.2       1.2  1.4       1.8
07Z: 2.8  1.0  3.3       1.2  2.0  1.8
08Z:           3.0  1.1  1.5  2.0  1.8
09Z: 1.0            1.2  1.3  2.0  3.6
10Z:      1.0  1.2  1.1  1.3  2.5  1.0
11Z: 1.0  1.0  1.0       1.4       1.0
12Z:      1.0  1.0       1.2  2.0
13Z:      1.2  1.0       1.6  1.9  1.6
14Z: 2.6  1.0  1.6       1.5       1.0
15Z: 2.5  1.0  1.5       1.5  2.0  3.0
16Z:      1.0  2.0       1.5  1.0  1.6
17Z:      1.0            1.6  1.5  1.0
18Z: 1.6  1.0  3.2       1.6  1.5  1.0
19Z:
20Z:
21Z:
22Z:
23Z:


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

     MUR  TOM  DIX  KHA  MAG  ASH  SAL
     ---  ---  ---  ---  ---  ---  ---
00Z: 4.0  2.2       6.7  2.7
01Z:      6.8            3.0
02Z: 3.0  9.0
03Z:      4.0       6.0  3.9
04Z:      3.8       4.1       3.7
05Z:      7.0
06Z:      4.7       6.3  3.2
07Z:      3.9            3.5  5.5  4.3
08Z:                4.0  3.7  5.6  3.8
09Z:                5.3  3.0  4.2
10Z:      3.5       4.5  4.2  3.9  4.6
11Z:      5.0  3.8       3.8
12Z:      3.0            3.2  5.8
13Z:      3.8  3.1            9.2
14Z:      4.3  3.1                 2.2
15Z:      4.6  3.0       3.2  8.0
16Z:      4.0  4.0       2.2  5.6  2.0
17Z:      5.0            3.2  2.6  4.0
18Z:      3.1  5.0       2.1  3.3  3.0
19Z:
20Z:
21Z:
22Z:
23Z:


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

      MUR  TOM  DIX  KHA  MAG  ASH  SAL  JUL  UPS  POI  BOU  OTI  GOO  EIE  TAO  RES  CHU  KEA  ARG  BER  NIC  DYS  LEA
     ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----
00Z:       4.0                           2.8       3.7  5.2       4.3  4.6  7.2   F        9.8  5.4  5.3  3.9  6.4  6.8
01Z:  3.3  5.0                      3.7  2.7       3.4            3.4  4.7  6.9  4.6       9.9  4.7  5.7  3.7  6.3  6.9
02Z:  3.7  5.3  4.5                 4.2  2.4       3.1            3.2  4.9  7.1  4.6       9.7  3.9  4.9  3.4  4.9  7.8
03Z:       5.4                      4.5  2.2  2.2  2.9             A   4.7  8.7  5.0       9.6   B   4.5  3.9   A   7.4
04Z:       5.5       4.8  4.4  6.6  4.8  3.0  3.4  2.7            3.0  4.6   C   4.7       8.9   B   4.4  6.2   A   6.2
05Z:       6.7            4.6       5.1  3.0  3.9  3.1            2.6  4.0 11.6   F        9.2   B   4.4       3.2  7.5
06Z:  4.5  6.6       5.0  4.8       5.1  4.2       4.0            7.8  3.5 11.6            7.3   B   4.0       3.4  8.2
07Z:  4.8  6.6            4.6  7.4  5.4  4.6       4.2             A       12.4            7.1   B   4.4       3.4  7.3
08Z:            4.9  4.9  4.4  7.2  5.4  5.3                       A         C             7.1   B   4.3       3.2  6.6
09Z:  5.3                 4.7  6.0  5.3                           9.3        C             7.8  3.5  4.4       3.4  5.3
10Z:       6.2  5.2  5.1  5.0  8.2  5.3                           7.4        C             7.6  4.0  5.5        A    A
11Z:  5.3  6.0  5.0       5.6       5.5                           8.0        C             8.5  4.8  6.1        A   3.5
12Z:       6.2  4.2       4.9  6.5                           4.3   B         C             6.7  4.9  5.7        A   3.8
13Z:       6.5  4.6       4.6       5.7                      4.5  4.7       6.0        C   5.7   B   8.1       5.8  3.6
14Z:  5.5  6.6  4.5       3.9       5.5                      4.8  4.9       5.4        C   4.8   B   6.9       6.1  3.6
15Z:  6.0  6.2  4.3                 5.1                           4.8       5.2        C   5.0  4.8  6.5       7.0  3.8
16Z:       5.6  4.5                 4.7                           4.9        F         C   4.4  4.4  6.2  8.0  7.6  3.6
17Z:       5.3                 6.0  3.9                           4.8        F         C   5.8   A   6.0  7.7  7.0  3.9
18Z:  4.2  4.0                 4.8  3.6                      5.2  5.1       4.3       4.8        A    B   6.0  7.0  3.4
19Z:                                                              4.8        F        4.9       5.1   B   5.4  7.1  2.8
20Z:                                                              5.1  5.2  3.2       5.0       5.3  6.7  5.1  7.1  2.9
21Z:                                                              5.6   B   5.0  5.4            5.4  7.0  4.9  7.0  2.9
22Z:                                                              5.4       5.0  5.2            5.5  6.6  4.2  7.2  4.9
23Z:                                                              5.4       6.2  5.3            5.6  6.0       7.3  6.7
=========================================
Estimated Average Global foF2:  5.34 MHz.


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

      MUR  TOM  DIX  KHA  MAG  ASH  SAL  JUL  UPS  BOU  GOO  EIE  TAO  RES  CHU  KEA  ARG  BER  NIC  DYS  LEA
     ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----
00Z:      12.4                           7.8      16.3 12.0 12.0 25.9   F       28.4 16.2 19.1 11.3 20.5 23.1
01Z:  8.6 16.0                     10.7  8.1            9.2 13.6 22.1 14.3      29.7 13.2 18.8 10.4 21.4 22.8
02Z: 10.4 17.0                     12.2  6.7            9.6 14.2 22.0   F         A  11.7 14.2 10.2 15.7 28.1
03Z:      16.7                     11.7  5.9  6.4        A  14.1 23.5   F       30.7   B  13.1 12.1   A  25.9
04Z:      17.0      13.0      21.8 13.4  9.0  9.5       8.7 14.7   C  15.0      26.7   B  12.8 21.1   A  20.5
05Z:      21.4                     15.3  9.9 10.1       7.5 12.4 34.8   F       30.4   B  12.3       9.0 24.0
06Z:      20.5      12.0 14.9      13.8                18.7 13.3 36.0           23.4   B  12.0       9.9 27.9
07Z:      20.5           14.7 22.9 16.2 12.0             A       37.2           20.6   B  14.1       9.5 25.6
08Z:                14.7 12.8 20.2 16.7 17.5             A         C            19.9   B  13.8       9.3 19.1
09Z:                     14.1 17.4 16.4                25.1        C            20.3 10.8 14.1      10.2 17.0
10Z:      20.5 15.1 13.3 15.0 26.2 15.9                19.2        C            20.5 12.4 18.7        A    A
11Z: 14.8 22.8 14.0      16.8      16.5                21.6        C            23.8 13.9 22.0        A  14.7
12Z:      20.5           14.2                            B         C            20.1 14.2 19.9        A  12.9
13Z:      20.1 14.3      13.8      17.1                16.0      19.2        C  16.5   B  25.1      18.6 11.2
14Z: 17.0 20.5 13.5      11.7      17.0                16.2      16.2        C  15.8   B  22.8      20.1  9.7
15Z: 18.6 18.6 13.3                15.8                17.3      15.6        C  15.0 17.3 19.5      21.7 11.4
16Z:      18.5 13.9                15.0                16.7        F         C  14.1 17.2 19.8 25.6 24.3 12.6
17Z:      15.9                18.6 12.1                16.3        F         C  16.8   A  17.4 24.6 21.0 13.3
18Z: 13.9 12.4                14.4  9.7                14.8      14.2      13.4        A    B  19.8 21.0 11.2
19Z:                                                   13.4        F       12.2      15.3   B  17.8 21.3  8.4
20Z:                                                   13.3 14.6  9.9      13.0      15.4 20.1 14.8 20.6  9.0
21Z:                                                   15.7   B  16.0 15.7           15.7 21.7 14.2 21.0  8.7
22Z:                                                   16.2      16.0   F            16.5 23.8 12.6 23.0 17.1
23Z:                                                   16.2      21.1   F            17.4 24.6      24.1 25.5
===============================================
Estimated Average Global MUF(3000)F2: 16.38 MHz.


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

      BOU  TAO  ANC  CNV  PAL  SHE  OSA
     ---- ---- ---- ---- ---- ---- ----
00Z:   85  310   23       330
01Z:   82  320   20  210  320
02Z:   76  400   21  150  300
03Z:   58  510   28  120  260
04Z:   34  510   31  110  240
05Z:   20  540   22  100  230
06Z:   17  530   17   93  190
07Z:   18  470  7.5   91  180
08Z:   19        23   89  160
09Z:   18       6.2       170
10Z:   17        38       150
11Z:   16        30   78  120
12Z:   16        26  120
13Z:   16  150   20  170   98
14Z:   16  120   20  210   80
15Z:   31  110   27  230   72
16Z:   46  120   59  240   55
17Z:   57  120   76  270  110
18Z:   67   96   90  280  140
19Z:   64   97   95  280  200
20Z:        98  110  280  250
21Z:       110  120  260  310
22Z:   47  180  120  260  360
23Z:       200  110  260  460


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

MUR = Murmansk                   USSR                (N68E033)
TOM = Tomsk                      USSR                (N56E085)
DIX = Dixon                      USSR                (N74E081)
KHA = Khabarovsk                 USSR                (N48E135)
MAG = Magadan                    USSR                (N60E151)
ASH = Ashkhabad                  USSR                (N37E058)
SAL = Salekhard                  USSR                (N66E066)
JUL = Juliusruh/Rugen            Germany             (N54E013)
UPS = Uppsala                    Sweden              (N60E018)
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)
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)
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.


