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From: oler@rho.uleth.ca (Cary Oler)
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Subject: Daily Summary of Ionospheric Data for 06 October
To: solar-daily@lut.fi
Date: Thu, 7 Oct 93 7:50:12 MDT
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Status: RO

                    ---------------------------------------
                    DAILY IONOSPHERIC SUMMARY FOR 06 OCT 93
                    ---------------------------------------


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

     MUR  SVE  SAL  TOM  DIX  MAG  KHA  JUL  UPS  WLP  MAU  GOO  EIE  TAO  CHU  KEA  ARG  BER  NIC  DYS  LEA
     ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---
00Z: 2.9       3.0  2.9  3.1  3.7       2.9  2.8  3.3  3.2  3.1  3.3  3.6       3.2   B   3.5  3.2  3.9  3.4
01Z:      2.8  3.3  3.3  3.1  3.6       3.0       3.0  3.2  3.5  3.1  3.2       3.3  3.2  3.2  3.4  3.2  3.0
02Z: 3.1       3.2  3.2  3.0  3.5  3.3  2.9  3.0  2.8  3.2   A   3.0  3.3       3.2  3.1  3.1  2.9  2.9  3.0
03Z:           3.2  3.1       3.4  3.2  2.9       2.7  3.3   A   2.6  3.1       3.4   B   2.7  3.3  2.8  3.0
04Z:                3.1       3.3  3.3  3.0       2.7  3.7   A   2.7  2.9       3.7   B   2.9  3.7  2.7  2.6
05Z:      2.7  3.0  3.2       3.3  3.1  3.0  3.0  2.9  3.0   A   3.1  3.0       3.0   B   2.8  3.2  2.6  2.9
06Z: 3.1  2.9  3.1  3.1       3.4  3.2  3.3       2.9  3.1   A   3.6  3.1       3.1  3.0  3.1       2.9  3.1
07Z:           3.3  3.1       3.5  3.3  3.1       2.9  3.0   A    A   3.2       3.0  2.2  3.5       3.2  3.1
08Z:           3.3  3.2  3.3  3.2  3.5  3.3       3.2  3.1  2.7   A   3.3       3.1   B   3.6        B
09Z:           3.3  3.2  3.1  3.4  3.0            3.1  2.7  3.0  4.0  3.5       2.7   B    B        3.1
10Z: 3.1       3.3  3.3  3.1  3.2  3.0            2.8  2.9  2.9  3.7  3.4       2.9  3.2  3.4       2.9
11Z:           3.3  3.3  3.3  3.2                 3.4  3.0  3.3  3.5  3.2       3.0  3.2  3.5        B   3.1
12Z: 3.2  3.1  3.1  3.2            2.8            3.5  3.3  3.1  3.6  3.2       3.3  2.9  3.3       3.0
13Z:                                              3.2  3.6  3.0  2.6   A    R   3.6  3.3  3.2       3.2  3.4
14Z: 3.2  3.0  3.2       2.9       3.1            3.4  3.3  3.2  3.8  3.1   G   3.4  3.2  3.2       3.5  3.5
15Z: 3.2  2.8  3.1                 2.9            3.1  3.2  3.0  2.4  3.0  3.0  3.2  3.2  3.3       3.5
16Z: 3.2  2.8  3.1                 2.9            3.3  3.1  3.5  3.2  3.3  3.0  3.1  3.3  3.3       3.2  3.2
17Z: 3.3       3.1                 2.6            3.2  3.5  3.3  3.0  3.1  3.1  3.5  3.4  3.3       3.3  3.4
18Z:           3.1                                3.2       3.1  3.0  3.0  3.1       3.3  3.1       3.3
19Z:                                              3.1       3.1  3.2  3.3  3.1       3.3  3.7       3.2
20Z:                                              3.3       3.2  2.9  3.5            3.2  3.5       3.3
21Z:                                              3.3       3.2  3.1  3.1  3.1       3.3  3.9       3.1  3.0
22Z:                                              3.2       3.1  2.7  3.5            3.5  3.8            3.6
23Z:                                              3.2       2.9  3.1  3.5            2.9  3.2            3.2
=========================================
Estimated Average Global M(3000)F2:  3.17.


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

     MUR  SVE  SAL  TOM  DIX  MAG  KHA
     ---  ---  ---  ---  ---  ---  ---
00Z: 1.5  2.4  1.0  1.0  1.8  1.0
01Z:      1.8  1.0  1.0  1.4  1.0
02Z: 1.0  1.6  1.0  1.3  2.2  1.0  2.0
03Z:      1.0  1.0  1.6       1.0  1.9
04Z:      1.5       1.8       1.0  1.4
05Z:      1.4  3.0  1.7       1.0  1.4
06Z: 2.5  1.4  1.9  1.7       1.0  1.4
07Z:           1.8  1.4       1.0  1.2
08Z:      1.6  1.7  1.3  3.3  1.0  1.4
09Z:           1.6  1.3  1.0  1.0  1.3
10Z: 1.3       1.7  1.1  1.7  1.0  1.4
11Z:           1.9  1.3  2.0  1.0
12Z: 1.0  1.6  1.8  1.3       1.0  1.4
13Z:
14Z: 1.0  1.6  1.5       1.0  1.0  1.3
15Z: 1.8  1.6  1.5       1.0  1.0  1.2
16Z: 1.0  1.6  1.0       1.0  1.0  1.2
17Z: 1.2       1.0       1.0       1.2
18Z:           1.0
19Z:
20Z:
21Z:
22Z:
23Z:


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

     MUR  SVE  SAL  TOM  DIX  MAG  KHA
     ---  ---  ---  ---  ---  ---  ---
00Z:           4.0       3.5
01Z:                     2.5  3.0
02Z: 4.5                      3.1  3.3
03Z:                          2.9  3.6
04Z:                          2.5  4.0
05Z:                          2.1  5.5
06Z:                          2.2
07Z:                 12       2.2
08Z:      3.3                      2.2
09Z:                     3.0  1.3  1.6
10Z:                     2.8
11Z:
12Z:      2.8
13Z:
14Z:                     1.7  3.5
15Z:                     1.9  3.0
16Z:      3.0            3.0
17Z:                     2.6       3.1
18Z:
19Z:
20Z:
21Z:
22Z:
23Z:


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

      MUR  SVE  SAL  TOM  DIX  MAG  KHA  JUL  UPS  POI  WLP  OTI  MAU  GOO  EIE  TAO  CHU  KEA  ARG  BER  NIC  DYS  LEA
     ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----
00Z:  4.0  2.8  4.0  3.2  3.6  5.5       4.0  3.0  4.7  4.8      12.3  4.0  5.9  6.9      12.3   B   4.7  4.0  7.2  6.5
01Z:       2.4  2.0  4.2  3.8  6.4       3.3       4.6  4.4      11.6  2.2  5.9  7.1      11.6  4.1  4.0  3.6  4.1  6.6
02Z:  3.0  2.6  3.1  5.4  3.8  7.1  7.2  3.1  2.3  4.4  4.1      11.0   A   5.5  8.7      11.0  3.5  4.0  3.3  3.1  7.0
03Z:       4.3  3.9  6.0       6.9  8.0  2.6       4.3  4.1      11.5   A   4.8  8.8      11.5   B   4.2  3.2  3.4  8.1
04Z:       5.0       6.6       7.0  8.2  2.0       3.7  3.8      11.8   A   3.9  9.6      11.8   B   4.1  5.2  3.5  8.9
05Z:       5.5  5.2  7.4       7.6  7.7  3.0  3.2  3.2  3.5       6.5   A   8.9 11.2       6.5   B   4.4  6.2  3.6  9.2
06Z:  4.3  6.3  5.7  8.5       7.0  8.3  4.6       4.0  3.9       5.5   A   4.6 11.6       5.5  2.7  4.4       3.7  9.5
07Z:            5.6  7.4       6.4  7.3  5.4       5.6  3.9       6.6   A    A  13.8       6.6  2.4  5.8       3.8  9.5
08Z:       6.5  5.6  7.4  6.0  5.6  6.6  6.6            3.1       5.9  3.3   A  13.2       5.9   B   3.3        B
09Z:            5.5  6.6  4.6  5.1  4.9                 2.8       5.5  2.7  3.9 11.4       5.5   B    B        2.7
10Z:  5.0       5.7  6.8  4.2  4.1  5.7                 2.9       4.8  4.0  4.1  8.2       4.8  4.1  4.4       2.8
11Z:            5.1  6.0  4.1  3.8                      4.7       4.1  4.6  4.6  6.4       4.1  4.8  6.1        B   5.6
12Z:  5.0  5.8  5.1  5.3            5.6                 6.4  4.6  4.3  4.7  3.7  5.1       4.3  5.5  6.9       3.5
13Z:                                                    5.9  5.3  4.4  5.1  3.8   A    R   4.4  6.2  7.0       5.8  4.1
14Z:  5.0  5.3  4.1       2.6       5.3                 6.8  5.6  3.3  5.6  2.3  4.0   G   3.3  6.6  7.8       7.6  4.4
15Z:  4.8  5.2  4.0       2.2       4.3                 7.3  5.8  3.0  5.6  3.7  4.2  5.1  3.0  6.8  9.4       8.9
16Z:  4.5  4.4  3.5                 4.0                 7.4  6.0  3.4  5.6  3.6  4.4  5.3  3.4  6.7  8.6       8.3  5.0
17Z:  4.0       3.1                 4.0                 7.7  6.3  6.6  5.8  4.1  4.1  5.4  6.6  6.2  7.9       8.0  3.9
18Z:            2.5                                     7.6  6.2       5.8  4.4  3.9  5.5       5.9  7.7       8.2
19Z:                                                    7.1            5.6  4.9  3.7  5.5       6.0  6.8       8.2
20Z:                                                    7.0            5.8  4.9  3.0            5.9  7.0       7.5
21Z:                                                    7.5            6.6  4.8  2.8  5.9       6.5  6.6       7.9  4.8
22Z:                                                    6.8            5.5  5.1  5.3            5.7  5.7            6.3
23Z:                                                    5.9            4.9  5.4  7.5            4.8  4.7            6.3
=========================================
Estimated Average Global foF2:  5.53 MHz.


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

      MUR  SVE  SAL  TOM  DIX  MAG  KHA  JUL  UPS  WLP  MAU  GOO  EIE  TAO  CHU  KEA  ARG  BER  NIC  DYS  LEA
     ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----
00Z: 11.6      12.0  9.3 11.2 20.4      11.6  8.4 15.8 39.4 12.4 19.5 24.8      39.4   B  16.4 12.8 28.1 22.1
01Z:       6.7  6.6 13.9 11.8 23.0       9.9      13.2 37.7  7.7 18.3 22.7      38.3 13.1 12.8 12.2 13.1 19.8
02Z:  9.3       9.9 17.3 11.4 24.9 23.8  9.0  6.8 11.5 35.2   A  16.5 28.7      35.2 10.8 12.4  9.6  9.0 21.0
03Z:           12.5 18.6      23.5 25.6  7.5      11.1 38.5   A  12.5 27.3      39.1   B  11.3 10.6  9.5 24.3
04Z:                20.5      23.1 27.1  6.0      10.3 43.1   A  10.5 27.8      43.7   B  11.9 19.2  9.4 23.1
05Z:      14.9 15.6 23.7      25.1 23.9  9.0  9.8 10.2 19.5   A  27.6 33.6      19.5   B  12.3 19.8  9.4 26.7
06Z: 13.3 18.3 17.7 26.3      23.8 26.6 15.2      11.3 17.0   A  16.6 36.0      17.0  8.1 13.6      10.7 29.4
07Z:           18.5 22.9      22.4 24.1 16.7      11.3 19.5   A    A  44.2      19.8  5.3 20.3      12.2 29.4
08Z:           18.5 23.7 19.8 17.9 23.1 21.8       9.9 18.3  8.9   A  43.6      18.3   B  11.9        B
09Z:           18.1 21.1 14.3 17.3 14.7            8.7 14.6  8.1 15.6 39.9      14.9   B    B        8.4
10Z: 15.5      18.8 22.4 13.0 13.1 17.1            8.1 13.9 11.6 15.2 27.9      13.9 13.1 15.0       8.1
11Z:           16.8 19.8 13.5 12.2                16.0 12.3 15.2 16.1 20.5      12.3 15.4 21.4        B  17.4
12Z: 16.0 18.0 15.8 17.0           15.7           22.4 14.2 14.6 13.3 16.3      14.2 16.0 22.8      10.5
13Z:                                              18.9 15.8 15.3  9.9   A    R  15.8 20.5 22.4      18.6 13.9
14Z: 16.0 15.9 13.1       7.5      16.4           23.1 11.1 17.9  8.7 12.4   G  11.2 21.1 25.0      26.6 15.4
15Z: 15.4 14.6 12.4                12.5           22.6  9.6 16.8  8.9 12.6 15.3  9.6 21.8 31.0      31.1
16Z: 14.4 12.3 10.8                11.6           24.4 10.5 19.6 11.5 14.5 15.9 10.5 22.1 28.4      26.6 16.0
17Z: 13.2       9.6                10.4           24.6 23.1 19.1 12.3 12.7 16.7 23.1 21.1 26.1      26.4 13.3
18Z:            7.8                               24.3      18.0 13.2 11.7 17.0      19.5 23.9      27.1
19Z:                                              22.0      17.4 15.7 12.2 17.0      19.8 25.2      26.2
20Z:                                              23.1      18.6 14.2 10.5           18.9 24.5      24.8
21Z:                                              24.8      21.1 14.9  8.7 18.3      21.4 25.7      24.5 14.4
22Z:                                              21.8      17.0 13.8 18.6           19.9 21.7           22.7
23Z:                                              18.9      14.2 16.7 26.2           13.9 15.0           20.2
===============================================
Estimated Average Global MUF(3000)F2: 17.50 MHz.


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

      TAO  ANC  CNV  PAL  BOU  SHE  OSA
     ---- ---- ---- ---- ---- ---- ----
00Z:  210  260       400  170
01Z:  270  250  110  360  120
02Z:  370  240   86  330   85
03Z:       230   82  330   70
04Z:       240   82  300   69
05Z:  750  210   86  150   69
06Z:  830  190   86  120   72
07Z:  840  180   89  130   68
08Z:  670  160   83  100   64
09Z:  490  150   79   60   56
10Z:  320  150   83   56   48
11Z:  180  140   89   57   45
12Z:  160  140  120   51   41
13Z:  110  140  180   45   46
14Z:  110  130  220   41   89
15Z:  110  130  260   43  120
16Z:  110  140  290   42  150
17Z:  110  170  300   95  160
18Z:  120  190  290  160  160
19Z:  120  200  280  190  170
20Z:  120  210  280  260  190
21Z:  130  230  270  320  200
22Z:  200  250  250  380  210
23Z:  250  260  240  430  210


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)
KHA = Khabarovsk                 USSR                (N48E135)
JUL = Juliusruh/Rugen            Germany             (N54E013)
UPS = Uppsala                    Sweden              (N60E018)
POI = Poitiers                   France              (N46E000)
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)
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)
BOU = Boulder CO                 USA                 (N40W105)
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.


