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From: oler@rho.uleth.ca (Cary Oler)
Message-Id: <9308260321.AA07270@rho.uleth.ca>
Subject: Daily Summary of Ionospheric Data for 25 August
To: solar-daily@lut.fi
Date: Wed, 25 Aug 93 21:21:03 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 25 AUG 93
                    ---------------------------------------


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

     MUR  SAL  TOM  DIX  KHA  MAG  ASH  JUL  UPS  BOU  MAU  GOO  TAO  CHU  KEA  ARG  NIC  DYS  LEA
     ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---
00Z: 2.8  3.1  3.3       3.1  3.2       2.9  3.0  3.4  3.0  3.1  3.6       3.0  3.3  2.9  3.2  3.1
01Z: 1.9  3.1  3.1       3.1  3.2  2.6  3.0  2.9       3.2  2.9  3.3       3.3  2.9  2.9  3.2  3.1
02Z: 3.1  3.1  3.4  2.9  3.1  3.1  3.3  3.0  2.8       3.2  2.9   C        3.2   B   3.1  3.4  3.4
03Z: 3.0  3.1  3.3  2.8  3.1  3.4  3.0  3.1  3.0       3.2  2.9   C        3.2  2.9  3.2  3.2  3.5
04Z: 3.1  3.1  3.4  3.1  3.2  3.0  3.2  3.3            3.1  2.7   C        3.1   B   3.4  3.2  3.5
05Z: 3.0  3.3  3.4  3.0  3.1  3.4  3.0  3.4  3.1       3.1  2.8   C        3.1  2.9  3.3  3.2  3.0
06Z: 2.9  3.3  3.2  3.0  3.2  3.2  3.2  3.2            3.2  3.0   C        3.3   B   3.7  3.0  3.2
07Z: 3.1  3.1  3.2  3.1  3.1       3.1  2.8            3.1  2.8  3.1       3.1   B   3.5  3.0  3.3
08Z: 3.1  3.3       3.2  3.2  3.2  2.9  3.4            3.0  3.5  3.1       3.1   B   3.6  3.0  3.3
09Z: 3.1  3.2       3.1  3.1  3.3  3.2                 3.1  3.4  3.1       3.1  3.6  2.9  3.0  3.5
10Z: 3.1  3.2       3.2  3.0  3.0  3.1                 3.0  3.6  3.2       3.1  3.6  3.1  3.0  3.3
11Z: 3.1  3.2            3.0  3.0  3.0                 3.2  3.1  3.1       3.2  3.7  3.2  3.1  3.4
12Z:                                                   3.3  3.1  3.2       3.3  3.4  3.0  3.1  3.5
13Z:                                                   3.2  3.5  3.2  3.1  3.3  3.4  3.2       3.4
14Z:                                                   3.2  3.5  3.0  3.2  3.2   B   3.3       3.2
15Z:                                                   3.1  3.2  2.8  3.1  3.1  3.4  3.1
16Z:                                                   3.5  3.0  2.9  3.1  3.5  3.1
17Z:                                                   3.5  3.0  3.0  3.2  3.5  3.2            3.0
18Z:                                                        3.2  3.0  3.1       3.0            3.0
19Z:                                                        3.2  3.0  3.0       3.1            3.1
20Z:                                                        3.3  3.0  3.1       3.1       3.0  2.9
21Z:                                                        3.1  3.2  3.1       3.3       3.2  3.2
22Z:                                                        3.0  3.6            3.2       3.2  3.6
23Z:                                                        3.2  3.6            3.3       3.4  3.6
=========================================
Estimated Average Global M(3000)F2:  3.16.


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

     MUR  SAL  TOM  DIX  KHA  MAG  ASH
     ---  ---  ---  ---  ---  ---  ---
00Z: 1.5  1.0  1.0  1.4  1.2  1.1
01Z: 1.0  1.0  1.0  1.2  1.2  1.1  2.0
02Z: 2.3  1.8  1.0  1.5  1.3  1.1  1.4
03Z: 1.0  3.0  1.2  3.0  1.3  1.2  1.4
04Z: 2.5  1.8  1.6  3.0  1.2  1.3  1.8
05Z: 1.5  1.0  1.4  1.6  1.2  1.2  2.0
06Z: 1.0  1.0  1.5  1.8  1.3  1.1  2.0
07Z: 1.0  1.0  1.4  1.9  1.1       2.0
08Z: 1.0  1.0       1.3  1.1  1.1  4.0
09Z: 1.0  1.0       1.2  1.1  1.1  2.7
10Z: 1.0  1.0       1.0  1.0  1.2  1.5
11Z: 1.0  1.0            1.0  1.5  1.8
12Z:
13Z:
14Z:
15Z:
16Z:
17Z:
18Z:
19Z:
20Z:
21Z:
22Z:
23Z:


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

     MUR  SAL  TOM  DIX  KHA  MAG  ASH
     ---  ---  ---  ---  ---  ---  ---
00Z: 3.5       2.2  5.6  4.0  4.0
01Z: 3.5       2.6  4.0  3.9  4.3
02Z:           3.0  2.5  4.3  4.0  2.7
03Z: 3.2                 3.7  3.2  3.3
04Z:           3.3       3.5  5.4  4.3
05Z:           4.8       3.5  3.0  6.4
06Z:      3.5  3.6       3.0  3.0  3.5
07Z:      3.1  3.6                 6.2
08Z:                     3.0  2.8
09Z:                          4.2
10Z:                     1.8  4.2
11Z:                     3.2  4.0  3.6
12Z:
13Z:
14Z:
15Z:
16Z:
17Z:
18Z:
19Z:
20Z:
21Z:
22Z:
23Z:


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

      MUR  SAL  TOM  DIX  KHA  MAG  ASH  JUL  UPS  WAR  POI  BOU  OTI  MAU  GOO  TAO  CHU  KEA  ARG  NIC  DYS  LEA
     ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----
00Z:  3.5  3.6  4.9       5.9  4.9       4.2  3.2  4.2  4.4  6.3      12.1  6.5  7.6      12.1  5.9  3.9  7.3  7.0
01Z:  3.5  4.3  6.4  4.5  6.1  5.6  4.6  4.0  3.2   C   4.0           12.6  5.3  6.5      12.6  5.6  3.6  7.4  7.7
02Z:  3.8  4.8  7.1  5.0  7.0  5.6  5.5  4.0  3.2   C   4.0           11.8  4.8   C       11.8   B   3.8  6.6  9.9
03Z:  4.0  5.2  6.8  5.0  6.5  5.8  6.1  3.8  3.2   C   4.2           11.6  4.2   C       11.6  4.6  3.8  5.8  8.3
04Z:  4.3  5.9  6.7  5.5  6.0  5.5  7.0  4.0       4.1  3.4           11.7  3.7   C       11.7   B   5.9  5.3  8.2
05Z:  4.8  6.2  7.2  5.2  6.5  5.6  7.3  5.0  4.8  4.9  4.0           13.0  3.2   C       13.0  4.0  6.6  4.5  6.4
06Z:  5.3  6.0  6.4  5.2  6.3  5.6  7.4  5.2       5.6  5.2           12.6  2.7   C       12.6   B   7.6  3.9  7.6
07Z:  5.7  6.6  6.8  5.2  6.3       8.0  5.2        A   6.5           11.1  2.6 11.6      11.1   B   8.0  3.7  7.7
08Z:  5.8  7.0       5.7  6.1  5.7  8.0  6.0                          11.0  3.0 10.8      11.0   B   6.9  3.7  6.8
09Z:  6.0  6.2       5.5  6.2  5.9  7.4                               10.7  4.1 11.4      10.7  4.7  6.2  3.7  6.7
10Z:  6.1  6.7       5.8  6.5  6.0  7.2                               10.0  5.2  9.2      10.0  5.2  6.5  4.0  5.9
11Z:  6.0  6.3            6.5  6.1  6.1                                9.5  5.4  9.0       9.5  5.2  6.8  3.8  4.2
12Z:                                                              5.2  8.8  5.8  9.2       8.8  5.9  6.8  4.1  3.2
13Z:                                                              6.0  7.1  5.9  5.0  4.8  7.1  6.0  7.4       3.7
14Z:                                                              6.1  5.7  6.1  7.8  5.3  5.7   B   7.2       3.9
15Z:                                                              6.1  5.5  5.8  7.8  5.8  5.5  5.8  7.1
16Z:                                                              6.1  4.7  5.9  6.5  6.0  4.7  6.1
17Z:                                                              6.4  6.1  6.1  6.0  6.4  6.1  6.2            3.5
18Z:                                                              6.6       6.3  5.4  6.4       6.3            3.4
19Z:                                                                        6.1  4.8  6.4       6.8            3.1
20Z:                                                                        6.3  4.5  6.1       7.0       8.8  3.3
21Z:                                                                        6.2  5.0  6.1       7.1       8.9  3.4
22Z:                                                                        6.8  7.6            7.0       8.3  5.3
23Z:                                                                        7.6  6.6            6.6       7.3  6.5
=========================================
Estimated Average Global foF2:  6.30 MHz.


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

      MUR  SAL  TOM  DIX  KHA  MAG  ASH  JUL  UPS  BOU  MAU  GOO  TAO  CHU  KEA  ARG  NIC  DYS  LEA
     ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----
00Z:  9.8 11.2 16.2      18.3 15.7      12.2  9.8 21.2 36.3 20.1 27.4      36.3 19.5 11.3 23.4 21.7
01Z:  6.7 13.3 19.8      18.9 17.9 12.0 12.0  9.3      41.0 15.4 21.4      41.6 16.2 10.4 23.7 23.9
02Z: 11.8 14.9 24.1 14.5 21.7 17.4 18.1 12.0  9.1      37.2 13.9   C       37.8   B  11.8 22.4 33.7
03Z: 12.0 16.1 22.4 14.0 20.1 19.7 18.3 11.8  9.6      36.5 12.2   C       37.1 13.3 12.2 18.6 29.1
04Z: 13.3 18.3 22.8 17.0 19.2 16.5 22.4 13.2           36.3 10.0   C       36.3   B  20.1 17.0 28.7
05Z: 14.4 20.5 24.5 15.6 20.1 19.0 21.9 17.0 14.9      40.3  9.0   C       40.3 11.6 21.8 14.4 19.2
06Z: 15.4 19.8 20.5 15.6 20.2 17.9 23.7 16.6           41.0  8.1   C       41.6   B  28.1 11.7 24.3
07Z: 17.7 20.5 21.8 16.1 19.5      24.8 14.6           34.4  7.3 36.0      34.4   B  28.0 11.1 25.4
08Z: 18.0 23.1      18.2 19.5 18.2 23.2 20.4           33.5 10.5 33.5      34.1   B  24.8 11.1 22.4
09Z: 18.6 19.8      17.0 19.2 19.5 23.7                33.2 13.9 35.3      33.2 16.9 18.0 11.1 23.4
10Z: 18.9 21.4      18.6 19.5 18.0 22.3                30.5 18.7 29.4      31.0 18.7 20.1 12.0 19.5
11Z: 18.6 20.2           19.5 18.3 18.3                29.9 16.7 27.9      30.4 19.2 21.8 11.8 14.3
12Z:                                                   29.0 18.0 29.4      29.0 20.1 20.4 12.7 11.2
13Z:                                                   23.1 20.6 16.0 14.9 23.4 20.4 23.7      12.6
14Z:                                                   18.0 21.4 23.4 17.0 18.2   B  23.8      12.5
15Z:                                                   17.0 18.6 21.8 18.0 17.0 19.7 22.0
16Z:                                                   16.4 17.7 18.9 18.6 16.4 18.9
17Z:                                                   21.4 18.3 18.0 20.5 21.4 19.8           10.5
18Z:                                                        20.2 16.2 19.8      18.9           10.2
19Z:                                                        19.5 14.4 19.2      21.1            9.6
20Z:                                                        20.8 13.5 18.9      21.7      26.4  9.6
21Z:                                                        19.2 16.0 18.9      23.4      28.5 10.9
22Z:                                                        20.4 27.4           22.4      26.6 19.1
23Z:                                                        24.3 23.8           21.8      24.8 23.4
===============================================
Estimated Average Global MUF(3000)F2: 19.89 MHz.


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

      BOU  TAO  ANC  CNV  PAL  SHE  OSA
     ---- ---- ---- ---- ---- ---- ----
00Z:   77  220  110       430
01Z:   74  230  120  230  460
02Z:   68  270  120  190  450
03Z:   54  320  120  160  460
04Z:   35  380  120  150  540
05Z:  2.3  430  120  130
06Z:   27  470  120  130
07Z:   12  540  100  120
08Z:   19  560   84  110
09Z:   22  610   63
10Z:       590   53   69
11Z:       500   46   71
12Z:             47   99
13Z:             46  150
14Z:       390   42  180
15Z:       350   51  180
16Z:       260   89  200
17Z:   32  180  140  210
18Z:   45  140  150  220
19Z:   66  120  160  230
20Z:   69  110  160  250
21Z:   50  120  150  240
22Z:   39  180  130  230
23Z:   32  200  120  190


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)
KHA = Khabarovsk                 USSR                (N48E135)
MAG = Magadan                    USSR                (N60E151)
ASH = Ashkhabad                  USSR                (N37E058)
JUL = Juliusruh/Rugen            Germany             (N54E013)
UPS = Uppsala                    Sweden              (N60E018)
WAR = Warsaw                     Poland              (N52W021)
POI = Poitiers                   France              (N46E000)
BOU = Boulder CO                 USA                 (N40W105)
OTI = Ottawa                     Canada              (N45W076)
MAU = Maui HI                    USA                 (N20W157)
GOO = Goose Bay                  Canada              (N53W060)
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.


