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From: oler@rho.uleth.ca (Cary Oler)
Message-Id: <9308250307.AA02550@rho.uleth.ca>
Subject: Daily Summary of Ionospheric Data for 24 August
To: solar-daily@lut.fi
Date: Tue, 24 Aug 93 21:07:26 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 24 AUG 93
                    ---------------------------------------


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

     MUR  SAL  TOM  DIX  MAG  JUL  UPS  ASH  BOU  GOO  EIE  TAO  CHU  KEA  ARG  NIC  DYS  LEA
     ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---
00Z: 3.1  2.9  3.2  3.1  3.3  3.0  2.9       3.4  3.1  3.1  3.7       2.8  3.1  2.9  3.3
01Z:                          3.0  2.8            3.1  3.1  3.6       3.0  2.9  3.2  3.5  3.4
02Z:                          3.0  2.8            3.1  3.2  3.2       2.8  3.1  3.0  3.4  3.3
03Z:                          3.0  3.0            3.0  3.2   C        3.3  3.3  3.2  3.3  3.3
04Z:                          3.2  3.1            2.7  3.1   C        3.2  2.8  3.4  2.9  3.3
05Z: 3.1                      3.3  3.2            2.7  3.2   C        3.4  2.9  3.5  2.9  3.4
06Z: 3.1  3.0  3.1  2.9  3.4  3.2                 3.0  2.9   C        3.0  3.2  3.5  3.1  3.3
07Z: 3.1  3.1  3.1       3.2  3.1       2.8       2.5  3.3   C        3.0   B    C   2.9  3.3
08Z: 3.1            3.0  3.3  3.3       2.9       2.9  2.9   C        3.1   B   3.3  2.8  3.2
09Z: 3.1  3.2  3.2  3.1  3.4                      3.6   A    C        3.1  3.6  3.3  3.3   A
10Z: 3.1  3.2  3.2  3.2  3.2            2.9       3.6  3.7   C        3.2  3.5  3.0   A   3.8
11Z: 3.3  3.1  3.2  3.0  3.1            2.9       3.5   A    C        3.3  3.6  3.0  3.1  4.0
12Z: 3.3  3.1  3.1       3.2                      3.2  2.8            2.7  3.6  3.2  3.4  3.2
13Z: 3.3  3.3  3.2       3.2            3.1       3.3  2.8       3.1  3.0   B   3.0  3.5  3.0
14Z: 3.3  3.3  3.1       3.2            3.1       3.2  2.7  3.0  3.1  3.4  3.1  3.2  3.3  3.2
15Z: 3.3  3.3  3.0  3.2  3.2            2.6       3.2  3.8   C   3.2  3.6  3.1  3.2  3.2  3.2
16Z: 3.5  3.2  3.1  3.1  3.2            3.1        A   2.8       3.1  3.2  3.4  3.2  3.0  3.0
17Z: 3.4  3.2  3.0  2.8  3.2                      3.2  2.9       3.2  3.2  3.1  3.3  2.9
18Z: 3.4  3.1            3.1            3.2       3.2  2.9       3.1       3.2  3.2  3.1  3.2
19Z:                                              3.1  3.0  3.1  3.1       3.2  3.2  3.0  2.9
20Z:                                              3.1  2.9  3.2  3.0       3.1  3.4  2.9  3.2
21Z:                                              3.0  3.0  3.2            3.1  3.0  3.0  2.7
22Z:                                              3.2   B                  3.1  3.0  3.2  3.4
23Z:                                              3.1   B   3.5            3.3       3.1  3.6
=========================================
Estimated Average Global M(3000)F2:  3.15.


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

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


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

     MUR  SAL  TOM  DIX  MAG  ASH
     ---  ---  ---  ---  ---  ---
00Z: 3.2       2.2       3.6
01Z:
02Z:
03Z:
04Z:
05Z: 3.2
06Z: 4.0  4.8  5.0       2.5  7.7
07Z: 4.0  4.8  6.0  3.0  2.5  5.3
08Z: 4.5                      5.3
09Z:      3.0  2.7
10Z: 4.6                      5.3
11Z:                3.8       4.6
12Z: 3.6                 2.2
13Z: 4.0       2.0       2.1  3.8
14Z:           3.1       2.2  3.7
15Z:                2.6  2.3  3.6
16Z: 3.0  2.4  3.0  2.8  2.5  2.5
17Z: 3.6       3.5       2.6
18Z: 3.6                 3.3  8.7
19Z:
20Z:
21Z:
22Z:
23Z:


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

      MUR  SAL  TOM  DIX  MAG  JUL  UPS  WAR  POI  ASH  BOU  OTI  GOO  EIE  TAO  CHU  KEA  ARG  NIC  DYS  LEA
     ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----
00Z:  3.6  3.8  4.5  4.8  5.2  4.0  3.5  3.9  4.2       6.0       6.3  5.1  7.3      10.4  5.9  4.2  7.3
01Z:                           3.8  3.1   C   4.2                 5.8  4.9  6.1      11.6  5.6  4.0  7.1  6.8
02Z:                           3.7  3.0   B                       5.0  5.1  6.3      12.6  5.1  3.7  6.4  7.4
03Z:                           3.7  3.1   C   3.6                 4.3  5.1   C       11.4  4.1  3.7  4.8  7.7
04Z:                           4.2  4.4  4.6  3.5                 3.9  5.2   C       10.1  4.1  5.4  3.9  6.9
05Z:  5.2                      5.0  5.0  5.2  4.2                 3.4  5.1   C        8.8  3.8  6.6  3.7  7.7
06Z:  5.7  5.7  6.6  5.5  5.9  5.6       5.8  5.2                 2.9  5.2   C        7.3  3.6  6.7  3.4  7.8
07Z:  5.8  6.1  6.7  5.0  5.9  6.1       6.7  6.4  6.6            2.8  4.5   C        7.0   B    C   3.6  7.1
08Z:  5.8            5.8  5.8  6.2                 6.9            3.4  3.9   C        6.9   B   7.3  3.6  6.7
09Z:  6.0  6.1  6.3  5.6  5.6                                     4.3   A    C        6.4  5.1  7.0  3.4   A
10Z:  6.0  5.9  6.3  5.5  6.0                      7.7            4.9  5.5   C        5.9  6.1  7.1   A   4.8
11Z:  6.0  6.0  5.8  5.5  6.0                      6.9            5.5   A    C        5.4  6.2  9.9  3.5  4.5
12Z:  6.0  6.0  6.2       5.7                                5.6  6.3  4.8            5.4  6.3  8.2  4.4  3.9
13Z:  5.8  6.0  6.5       5.2                      6.7       6.0  6.3  4.1       4.9  5.2   B   7.6  5.8  4.2
14Z:  5.7  5.9  6.4       3.9                      6.7       6.2  6.2  4.6  7.0  5.2  5.9  6.2  7.5  6.0  3.8
15Z:  5.3  5.7  6.3  4.6  3.9                      7.7       6.0  6.1  4.9   C   5.9  3.4  6.2  7.2  6.0  4.0
16Z:  5.5  5.6  6.1  4.8  3.9                      7.2       5.8   A   5.1       6.2  3.3  5.4  7.7  6.3  3.8
17Z:  5.3  5.7  5.1  4.6  3.3                                6.3  6.5  5.3       6.5  5.4  6.2  7.9  6.7
18Z:  5.3  5.2            3.3                      5.8       6.6  6.3  5.3       6.4       6.5  6.4  7.1  3.2
19Z:                                                              6.4  5.5  4.7  6.4       6.8  6.4  7.5  3.6
20Z:                                                              6.3  5.6  4.4  6.3       6.6  5.3  7.4  3.0
21Z:                                                              6.3  5.5  4.3            6.6  4.9  7.4  3.4
22Z:                                                              7.0   B                  7.1  4.2  7.1  5.2
23Z:                                                              7.3   B   7.1            6.2       7.8  6.2
=========================================
Estimated Average Global foF2:  5.64 MHz.


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

      MUR  SAL  TOM  DIX  MAG  JUL  UPS  ASH  BOU  GOO  EIE  TAO  CHU  KEA  ARG  NIC  DYS  LEA
     ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----
00Z: 11.2 11.0 14.4 14.9 17.2 12.0 10.2      20.6 19.5 15.8 27.0      29.1 18.3 12.2 24.1
01Z:                          11.4  8.8           18.0 15.2 22.0      34.8 16.2 12.8 24.9 23.1
02Z:                          11.1  8.5           15.5 16.3 20.2      35.3 15.8 11.1 21.8 24.4
03Z:                          11.1  9.1           12.9 16.3   C       37.6 13.5 11.8 15.8 25.4
04Z:                          13.4 13.6           10.5 16.1   C       32.3 11.5 18.4 11.3 22.8
05Z: 16.1                     16.5 16.0            9.2 16.3   C       29.9 11.0 23.1 10.7 26.2
06Z: 17.7 17.1 20.5 16.0 20.1 17.9                 8.7 15.1   C       21.9 11.5 23.4 10.5 25.7
07Z: 18.0 18.9 20.8      18.9 18.9      18.5       7.0 14.8   C       21.0   B    C  10.4 23.4
08Z: 18.0           17.4 19.1 20.5      20.0       9.9 11.3   C       21.4   B  24.1 10.1 21.4
09Z: 18.6 19.5 20.2 17.4 19.0                     15.5   A    C       19.8 18.4 23.1 11.2   A
10Z: 18.6 18.9 20.2 17.6 19.2           22.3      17.6 20.4   C       18.9 21.4 21.3   A  18.2
11Z: 19.8 18.6 18.6 16.5 18.6           20.0      19.2   A    C       17.8 22.3 29.7 10.8 18.0
12Z: 19.8 18.6 19.2      18.2                     20.2 13.4           14.6 22.7 26.2 15.0 12.5
13Z: 19.1 19.8 20.8      16.6           20.8      20.8 11.5      15.2 15.6   B  22.8 20.3 12.6
14Z: 18.8 19.5 19.8      12.5           20.8      19.8 12.4 21.0 16.1 20.1 19.2 24.0 19.8 12.2
15Z: 17.5 18.8 18.9 14.7 12.5           20.0      19.5 18.6   C  18.9 12.2 19.2 23.0 19.2 12.8
16Z: 19.2 17.9 18.9 14.9 12.5           22.3        A  14.3      19.2 10.6 18.4 24.6 18.9 11.4
17Z: 18.0 18.2 15.3 12.9 10.6                     20.8 15.4      20.8 17.3 19.2 26.1 19.4
18Z: 18.0 16.1           10.2           18.6      20.2 15.4      19.8      20.8 20.5 22.0 10.2
19Z:                                              19.8 16.5 14.6 19.8      21.8 20.5 22.5 10.4
20Z:                                              19.5 16.2 14.1 18.9      20.5 18.0 21.5  9.6
21Z:                                              18.9 16.5 13.8           20.5 14.7 22.2  9.2
22Z:                                              22.4   B                 22.0 12.6 22.7 17.7
23Z:                                              22.6   B  24.9           20.5      24.2 22.3
===============================================
Estimated Average Global MUF(3000)F2: 17.80 MHz.


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

      BOU  TAO  ANC  CNV  PAL  SHE  OSA
     ---- ---- ---- ---- ---- ---- ----
00Z:   69  220  100       390
01Z:   56  220  100  210  430
02Z:   51  250  100  150  450
03Z:   33  290  110  130  390
04Z:       360  110  110  330
05Z:   28  460  120  100
06Z:   25  590  120  110
07Z:   24  660  100  100
08Z:   24  680   93   98
09Z:   26  640   74
10Z:       500   56
11Z:       370   53   82
12Z:             53  120
13Z:       230   52  180
14Z:       220   44  180
15Z:   39  200   52  190
16Z:       200   80  210
17Z:   66  190  110  220
18Z:   76  160  130  240
19Z:   81  120  140
20Z:   88  110  140  270
21Z:   96  120  140  260
22Z:   87  190  120  270
23Z:   80  220  110  270


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

MUR = Murmansk                   USSR                (N68E033)
SAL = Salekhard                  USSR                (N66E066)
TOM = Tomsk                      USSR                (N56E085)
DIX = Dixon                      USSR                (N74E081)
MAG = Magadan                    USSR                (N60E151)
JUL = Juliusruh/Rugen            Germany             (N54E013)
UPS = Uppsala                    Sweden              (N60E018)
WAR = Warsaw                     Poland              (N52W021)
POI = Poitiers                   France              (N46E000)
ASH = Ashkhabad                  USSR                (N37E058)
BOU = Boulder CO                 USA                 (N40W105)
OTI = Ottawa                     Canada              (N45W076)
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)
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.


