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From: oler@rho.uleth.ca (Cary Oler)
Message-Id: <9310130420.AA19437@rho.uleth.ca>
Subject: Daily Summary of Ionospheric Data for 12 October
To: solar-daily@lut.fi
Date: Tue, 12 Oct 93 22:20:52 MDT
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Reply-To: SOLAR-DAILY Distribution List <solar-daily@lut.fi>
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Status: RO

                    ---------------------------------------
                    DAILY IONOSPHERIC SUMMARY FOR 12 OCT 93
                    ---------------------------------------


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

     MUR  SVE  SAL  TOM  DIX  MAG  JUL  BOU  WLP  MAU  GOO  EIE  TAO  CHU  ARG  NIC  DYS  LEA
     ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---
00Z:                          3.2       3.5  3.2  3.0  3.0   B   3.4        B        3.4  3.4
01Z:                3.2       3.3  2.5       2.7  3.2  2.6  2.9  3.2        B        2.9  2.8
02Z: 2.6       3.1  3.3       3.3  2.5       2.7  3.2  3.1  3.3  3.2        B        3.3  2.8
03Z: 2.9       3.1  3.4       3.4            2.9  3.4  2.8  3.3  3.2        B        2.8  3.0
04Z:           2.9  3.4  3.1  3.5  3.0       3.1  3.5   A   4.0  3.1        B        2.9  3.0
05Z:           3.1            3.4  2.8       3.2  3.3   A   2.7  3.2        B        3.3  3.7
06Z:           3.3  3.4       3.3  3.4       2.9  2.3   B   3.2  3.1        B   3.6  2.4  3.0
07Z: 3.1  3.0       3.5  3.3       3.1       3.0  2.2   B   3.5  3.2        A   3.4  2.8  3.2
08Z: 3.1       3.3  3.4  3.1  3.1  3.1       2.7  2.7   B    A   3.5        B    C   2.8  3.2
09Z:      3.0  3.3  3.3  3.1  3.0             A   2.7   B        3.5        B    C   2.8  3.4
10Z:      3.0  3.3  3.3       2.9             A   2.7  3.2        I        3.2   C   2.9  3.3
11Z:      3.1  3.3  3.5  3.3  3.0            3.3  3.1  3.2        F        3.4   C   2.9  3.2
12Z: 3.2       3.3  3.5  3.1  2.9            3.5  3.8  3.4       3.2       3.4   C   3.5  3.3
13Z: 3.3  3.1  3.3  2.9       2.9            3.4  3.5  3.5       3.3   B   3.3   C   3.7  2.9
14Z: 3.1  2.9       3.3       2.7            3.5  3.0  3.4   B   3.1   B   3.4   C   3.4  3.1
15Z:           2.8  3.1       2.4            3.3  2.8  3.4   B    R    B   3.2   C   3.4  2.9
16Z: 2.9                                     3.3  2.8  3.3  2.7  3.0   B   3.2  3.6  3.3  3.0
17Z:           2.9                           3.2  3.3  3.3  2.7  3.5   R   3.2       3.2  3.3
18Z:                                                   3.0  2.9  3.4       3.2       3.1
19Z:                                         3.1       3.3  3.0  3.4  3.2  3.5       3.3  2.8
20Z:                                         3.2       3.3  3.0  2.5       3.5       3.3
21Z:                                         3.2       3.2  3.1  2.9  3.2  3.3       3.2  2.8
22Z:                                         3.4        B   3.1  3.1       3.3  2.8  3.4  3.3
23Z:                                         3.5       3.1  3.1  3.5       3.2       3.5  3.2
=========================================
Estimated Average Global M(3000)F2:  3.15.


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

     MUR  SVE  SAL  TOM  DIX  MAG
     ---  ---  ---  ---  ---  ---
00Z:      2.0       1.0       1.4
01Z:                1.0       1.4
02Z: 2.5       2.0  1.1       1.3
03Z: 2.0       1.9  1.0       1.3
04Z: 1.0       3.0  1.0  2.9  1.3
05Z:           2.2            1.0
06Z:           3.0  1.1       1.0
07Z: 3.3  1.6       1.6  2.8
08Z: 3.0       2.3  1.0  2.5  1.2
09Z:      1.6  2.3  1.0  1.7  1.0
10Z:      1.4  2.3  1.0       1.0
11Z:      1.6  3.0  1.0  1.3  1.0
12Z: 2.5  1.5  1.8  1.0  1.0  1.0
13Z: 2.7  1.8  1.0  1.0       1.0
14Z: 1.9  1.6       1.0  1.3  1.1
15Z: 1.0  1.8  1.0  1.4  2.8  1.0
16Z: 1.0  2.2
17Z:      1.5  1.0            1.0
18Z:
19Z:
20Z:
21Z:
22Z:
23Z:


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

     MUR  SVE  TOM  DIX  MAG
     ---  ---  ---  ---  ---
00Z:           3.0       3.2
01Z:                     3.0
02Z:           1.7
03Z:           1.9
04Z: 2.8       1.9       2.4
05Z:                     2.0
06Z:           2.9       2.0
07Z:      4.2  2.7
08Z:           2.7
09Z:      4.5  2.8  3.0
10Z:      5.8  2.1
11Z:      2.8  3.1
12Z:      2.2  3.4       2.1
13Z:           3.0
14Z:                5.2
15Z: 3.2            5.4
16Z: 2.0
17Z:      3.0            1.6
18Z:
19Z:
20Z:
21Z:
22Z:
23Z:


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

      MUR  SVE  SAL  TOM  DIX  MAG  JUL  WAR  POI  BOU  WLP  OTI  MAU  GOO  EIE  TAO  CHU  ARG  NIC  DYS  LEA
     ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----
00Z:                           6.9   A    A   3.4  6.7  5.0      13.4  2.9   B   8.7        B        6.6  7.7
01Z:                 3.4       7.1  2.0   C   3.2       4.9      13.9  3.3  5.1  9.2        B        4.9  7.2
02Z:  3.0       3.0  4.9       7.4  2.0   C   3.3       4.8      12.1  3.2  4.9 12.0        B        5.0  9.1
03Z:  3.0       3.6  5.9       7.1   A    C   3.5       4.9      10.5  2.9  3.9 11.6        B        3.7 10.3
04Z:            4.1  6.5  3.9  6.2  2.2   C   3.4       4.5       8.4   A   3.0 13.2        B        4.1  9.6
05Z:            4.6            6.1  2.6  3.2  2.5       4.1       6.5   A   2.6 14.8        B        4.0  5.8
06Z:            4.5  7.7       6.6  3.8  4.3  3.1       3.6       5.8   B   3.3 14.4        B   6.6  3.3  8.8
07Z:  4.1  6.3       8.4  5.0       4.5  4.9  5.2       3.2       4.1   B   4.2 14.4        A   6.7  3.4  9.1
08Z:  4.2       5.6  7.6  5.0  5.3  5.0  5.0            3.0       4.2   B    A  15.0        B    C   3.5  8.8
09Z:       7.0  6.2  7.4  4.3  4.6                       A        5.4   B       15.0        B    C   3.6  7.8
10Z:       7.4  5.6  8.0       4.5                       A        5.5  2.6        I        4.2   C   3.9  6.8
11Z:       7.4  6.0  7.1  4.0  3.9                      5.2       4.8  5.5        F        6.8   C   4.1  5.6
12Z:  4.7  6.3  5.1  6.3  3.0  3.3                      7.2  4.7  4.2  6.7      11.8       7.1   C   4.8  4.8
13Z:  4.4  5.3  4.0  5.0       2.9                      8.0  6.4  2.0  6.8      11.0   B   7.3   C   6.2  4.7
14Z:  3.2  5.3       4.3       2.9                      7.7  7.2  1.9  7.8   B   9.0   B   6.8   C   6.2  4.5
15Z:       4.6  2.6  3.6       2.5                      7.5  7.7  1.8  7.9   B    R    B   7.0   C   7.0  3.8
16Z:  2.8  4.5                                          7.9  8.0  2.5  7.1  3.6  7.0   B   7.2  6.0  7.0  4.3
17Z:       3.3  2.4                                     7.9  7.4  6.3  7.1  3.9  6.4   R   6.7       7.2  3.7
18Z:                                                         7.7       7.3  4.1  5.2       6.7       7.7
19Z:                                                    8.1            7.5  4.5  3.1  6.9  7.3       8.6  3.4
20Z:                                                    8.2            7.1  4.9  2.1       7.0       8.2
21Z:                                                    7.9            7.5  5.3  2.3  6.7  6.7       7.8  3.5
22Z:                                                    7.4             B   5.4  5.0       6.0  3.4  7.5  6.0
23Z:                                                    5.7            5.5  5.7  7.7       5.1       7.8  7.1
=========================================
Estimated Average Global foF2:  5.83 MHz.


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

      MUR  SVE  SAL  TOM  DIX  MAG  JUL  BOU  WLP  MAU  GOO  EIE  TAO  CHU  ARG  NIC  DYS  LEA
     ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----
00Z:                          22.1   A  23.2 16.0 40.9  8.7   B  29.6        B       22.4 26.2
01Z:                10.9      23.4  5.0      13.2 44.5  8.6 14.8 29.4        B       14.2 20.2
02Z:  7.8       9.3 16.2      24.4  5.0      13.0 39.3  9.9 16.2 38.4        B       16.5 25.5
03Z:  8.7      11.2 20.1      24.1   A       14.2 35.7  8.1 12.9 37.1        B       10.4 30.9
04Z:           11.9 22.1 12.1 21.7  6.6      13.9 29.4   A  12.0 40.9        B       11.9 28.8
05Z:           14.3           20.7  7.3      13.1 21.4   A   7.0 47.4        B       13.2 21.5
06Z:           14.8 26.2      21.8 12.9      10.4 13.3   B  10.6 44.6        B  23.8  7.9 26.4
07Z: 12.7 18.9      29.4 16.5      13.9       9.6  9.0   B  14.7 46.1        A  22.8  9.5 29.1
08Z: 13.0      18.5 25.8 15.5 16.4 15.5       8.1 11.3   B    A  52.5        B    C   9.8 28.2
09Z:      21.0 20.5 24.4 13.3 13.8             A  14.6   B       52.5        B    C  10.1 26.5
10Z:      22.2 18.5 26.4      13.1             A  14.9  8.3        I       13.4   C  11.3 22.4
11Z:      22.9 19.8 24.9 13.2 11.7           17.2 14.9 17.6        F       23.1   C  11.9 17.9
12Z: 15.0      16.8 22.1  9.3  9.6           25.2 16.2 22.8      37.8      24.1   C  16.8 15.8
13Z: 14.5 16.4 13.2 14.5       8.4           27.2  7.1 23.8      36.3   B  24.1   C  22.9 13.6
14Z:  9.9 15.4      14.2       7.8           26.9  5.7 26.5   B  27.9   B  23.1   C  21.1 13.9
15Z:            7.3 11.2       6.0           24.8  4.9 26.9   B    R    B  22.4   C  23.8 11.0
16Z:  8.1                                    26.1  7.1 23.4  9.7 21.0   B  23.0 21.6 23.1 12.9
17Z:            7.0                          25.3 21.1 23.4 10.5 22.4   R  21.4      23.0 12.2
18Z:                                                   21.9 11.9 17.7      21.4      23.9
19Z:                                         25.1      24.8 13.5 10.5 22.1 25.6      28.4  9.5
20Z:                                         26.2      23.4 14.7  5.2      24.5      27.1
21Z:                                         25.3      24.0 16.4  6.7 21.4 22.1      25.0  9.8
22Z:                                         25.2        B  16.7 15.5      19.8  9.5 25.5 19.8
23Z:                                         19.9      17.0 17.7 26.9      16.3      27.3 22.7
===============================================
Estimated Average Global MUF(3000)F2: 18.38 MHz.


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

      BOU  TAO  ANC  CNV  PAL  SHE  OSA
     ---- ---- ---- ---- ---- ---- ----
00Z:  160  330  210
01Z:  140  450  240  140
02Z:  110  550  230  120
03Z:   76  650  230  120
04Z:   70  680  180  110
05Z:   65  770  150  110
06Z:   54  660  150   97
07Z:       560  140   82
08Z:   48  550  140   90
09Z:   49  560  140   96
10Z:   47  530       100
11Z:   48  470       100
12Z:   55  330       150
13Z:   44  330       170
14Z:   78  230       200
15Z:  110  160       220
16Z:  130  140  140  230
17Z:  160  140  170  280
18Z:  190  130  190  300
19Z:  200  110  170  320
20Z:  190  110  200  320
21Z:  190  120  220  290
22Z:  180  180  220  250
23Z:  170  240  210  230


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

MUR = Murmansk                   USSR                (N68E033)
SVE = Sverdlovsk                 USSR                (N56E061)
SAL = Salekhard                  USSR                (N66E066)
TOM = Tomsk                      USSR                (N56E085)
DIX = Dixon                      USSR                (N74E081)
MAG = Magadan                    USSR                (N60E151)
JUL = Juliusruh/Rugen            Germany             (N54E013)
WAR = Warsaw                     Poland              (N52W021)
POI = Poitiers                   France              (N46E000)
BOU = Boulder CO                 USA                 (N40W105)
WLP = Wallops Island VA          USA                 (N37W075)
OTI = Ottawa                     Canada              (N45W076)
MAU = Maui HI                    USA                 (N20W157)
GOO = Goose Bay                  Canada              (N53W060)
EIE = Eielson AFB AK             USA                 (N64W147)
TAO = Taoyuan                    Taiwan              (N25E121)
CHU = Churchill                  Canada              (N58W094)
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.


