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From: oler@rho.uleth.ca (Cary Oler)
Message-Id: <9311010412.AA15904@rho.uleth.ca>
Subject: Daily Summary of Ionospheric Data for 31 October
To: solar-daily@lut.fi
Date: Sun, 31 Oct 93 21:12:42 MST
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Reply-To: SOLAR-DAILY Distribution List <solar-daily@lut.fi>
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Status: RO

                    ---------------------------------------
                    DAILY IONOSPHERIC SUMMARY FOR 31 OCT 93
                    ---------------------------------------


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

     WLP  MAU  MUR  ASH  SVE  SAL  DIX  KHA  MAG  VBG  GOO  EIE  TAO  CHU  KEA  ARG  BER  NIC  LEA
     ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---
00Z: 3.2  3.3  2.8                      3.4  3.5  3.6  2.9  3.3  3.3       3.4  3.1  3.2  3.2
01Z: 2.9  3.3  2.9                      3.4  3.4  3.1  2.9  3.3  3.2       3.4  3.0  3.0  3.3
02Z: 2.9  3.5  2.8            3.1  2.9       3.4  2.8  3.0  3.4  3.4       3.6  3.0  2.9  3.9
03Z: 3.0  3.5  3.1            3.3       3.2  3.6  3.7  2.8  3.1  3.4       3.6  2.9  3.0  3.8
04Z: 2.9  3.6  3.1       2.8  3.3       3.1  3.6  3.5  2.8  3.3  3.4       3.6  3.0  2.9  3.7
05Z: 2.9  3.5  3.1  3.5  3.0  3.8  3.4  3.5  3.6  2.8  2.9  3.3  3.4       3.5  3.0  3.1  3.9  3.0
06Z: 2.9  2.8  3.3            3.3  3.3  3.5  3.5  2.9  2.8   A   3.2       2.9  2.9  3.1  3.6
07Z: 2.9  3.0  3.5  3.3       3.3       3.5  3.5  3.3   A   3.0  3.5       3.1  3.0  3.2  3.4
08Z: 2.8  3.0  3.5  3.1       3.3       3.5  3.3  2.9   B   3.0  3.5       3.1  3.2  3.3  3.3
09Z: 2.9  3.2  3.5       3.0  3.4  3.4  3.1       2.9   A   3.6  3.7       3.3   B   2.7  3.3
10Z: 2.7  3.4       3.2  2.9  3.4  2.8  2.9  2.8  2.8  2.9  3.9  3.3       3.4  3.3  3.4  3.3
11Z: 3.3  3.5  3.5  3.2  2.9  3.4       2.9       2.7  3.4   A   3.2       3.5  3.5  3.6  3.5  3.7
12Z: 3.6  3.5  3.5  3.2  2.9  3.3       3.0       2.9  3.5   A   3.1       3.6  3.5  3.6  3.4
13Z: 3.5  3.8  3.3  3.2  3.0  3.1       2.8  2.8  3.1  3.5   A   3.5       3.8  3.6  3.6  3.6
14Z: 3.4  3.0  3.3       2.9  3.2  2.8  2.8  3.0  3.4  3.3   A   3.1   C   3.0  3.3  3.1  3.8
15Z: 3.3  3.2       3.1       2.9       2.8  2.8  3.6  3.2   A   3.1       3.2  3.3  3.3  3.7
16Z: 3.2  2.9       3.0  2.5  2.9       2.9  3.0  3.3  3.3   A   3.2  3.2  2.9  3.4  3.3  3.8
17Z: 3.2  3.2       2.7            3.4  2.8       3.1  3.1  3.1  3.2  3.2  3.2  3.2  3.2
18Z: 3.1            2.7                 3.0  3.2  3.0  3.2   B   3.5   F        3.3  3.6
19Z: 3.1                                          3.2  3.2  3.1  3.6   F        3.5  3.4
20Z: 3.4                                          3.1  3.3  3.2  3.4   F        3.4  3.4
21Z: 3.4                                          3.2  3.1  3.1  2.8   F        3.3  3.5
22Z: 3.3                                          3.3  3.1  3.2  3.1   I        3.4  3.1
23Z: 3.5                                          3.5  3.1  3.3  3.4   I        3.2  3.1
=========================================
Estimated Average Global M(3000)F2:  3.23.


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

     MUR  ASH  SVE  SAL  DIX  KHA  MAG
     ---  ---  ---  ---  ---  ---  ---
00Z: 1.0                      1.1  1.5
01Z: 1.0            1.9  1.7  1.2  1.4
02Z: 1.0            1.0  1.2       1.4
03Z: 1.0       1.5  1.0       1.2  1.3
04Z: 1.0       1.8  1.0       1.2  1.4
05Z: 1.2  2.0  1.8  1.0  2.0  1.3  1.4
06Z: 2.0            1.0  1.3  1.2  1.0
07Z: 1.9  2.0       1.0       1.1  1.0
08Z: 3.5  2.0       1.0       1.2  1.0
09Z: 2.2       1.8  1.0  1.5  1.3  1.0
10Z:      2.0  1.6  1.0  1.2  1.3  1.0
11Z: 2.3  2.0  1.8  1.0  1.1  1.3  1.0
12Z: 2.2  2.0  1.6  1.0  1.2  1.3  1.0
13Z: 1.8  2.0  1.6  1.0  1.2  1.2  1.0
14Z: 1.0  2.0  1.8  1.0  1.0  1.3  1.2
15Z: 1.0  2.0  1.5  1.0  1.0  1.7  1.1
16Z: 1.2  2.0  1.0  1.5  1.0  1.6  1.0
17Z:      2.0  1.0       1.2  1.3  1.0
18Z: 1.0  2.0       1.0       1.5  1.0
19Z:
20Z:
21Z:
22Z:
23Z:


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

     MUR  ASH  SVE  SAL  DIX  KHA  MAG
     ---  ---  ---  ---  ---  ---  ---
00Z:                               1.8
01Z:                2.0  2.2  3.1  1.8
02Z:                               2.3
03Z:           6.0            3.2  2.4
04Z:                               2.4
05Z:      3.4  2.4
06Z:                     2.4       2.2
07Z:      3.7                      2.0
08Z:      3.8                 3.1  2.4
09Z:           3.2            3.5  1.6
10Z:      3.7  5.0       3.0  3.8  1.6
11Z:      3.3  3.0  2.8  2.5  3.5  2.0
12Z:      3.0  3.0  2.0  4.0  2.9  2.1
13Z:      3.0  3.0       3.2  3.8  1.9
14Z: 3.6  4.2       2.0  4.6  3.2
15Z: 3.4  2.2       2.0  4.0
16Z: 3.4       2.8       4.6       1.3
17Z:           5.0            1.7
18Z: 5.0            2.8            1.5
19Z:
20Z:
21Z:
22Z:
23Z:


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

      WLP  MAU  MUR  ASH  SVE  SAL  DIX  KHA  MAG  VBG  GOO  EIE  TAO  CHU  KEA  ARG  BER  NIC  LEA
     ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----
00Z:  3.8 13.7  1.6                      7.0  6.0  6.5  3.5  5.4  8.2      13.7  3.5  4.0  3.6
01Z:  3.4 11.4  1.6                      7.0  6.6  4.0  3.3  5.3 11.0      11.4  3.4  4.0  3.8
02Z:  3.3  9.2  1.5            1.5  2.4       8.0  3.4  2.7  6.0 11.8       9.2  3.2  4.1  3.8
03Z:  3.7  6.3  1.5            3.4       7.3  6.3  3.2  2.6  4.1 13.4       6.3  3.1  4.2  4.0
04Z:  3.6  4.7  1.6       5.6  4.8       7.0  5.5  4.9  2.3  2.6 14.5       4.7  2.9  4.1  4.0
05Z:  3.3  3.2  2.9  6.3  6.3  5.3  5.4  6.3  5.7  4.0  2.2  2.0 13.8       3.2  2.8  4.2  5.5  7.9
06Z:  3.4  2.7  4.3            5.5  5.4  6.0  5.7  4.3  1.9   A  12.3       2.7  3.1  4.2  6.1
07Z:  3.5  3.0  5.4  7.3       6.0       7.3  4.6  4.0   A   7.8 12.0       3.0  2.8  4.3  7.6
08Z:  3.4  4.0  6.0  7.8       6.1       6.3  3.0  3.6   B   3.7  9.5       4.0  2.2  3.3  8.2
09Z:  3.2  4.3  6.6       7.0  6.4  4.8  4.0       4.2   A   4.7  7.6       4.3   B   2.8  8.8
10Z:  2.8  4.3       8.0  6.4  5.7  4.0  3.4  1.8  4.6  3.3  4.6  6.5       4.3  4.2  3.8  9.8
11Z:  4.1  4.5  6.9  6.8  6.5  5.4       3.8       4.4  5.2   A   6.7       4.5  6.2  6.8  9.4  5.1
12Z:  6.5  4.9  6.5  6.8  6.0  4.8       3.6       3.7  6.3   A   6.5       4.9  7.2  6.9  7.4
13Z:  7.4  3.6  6.2  6.5  5.0   D        3.7  2.6  3.5  6.8   A   7.9       3.6  7.3  8.0  8.9
14Z:  7.0  2.3  3.6       4.4  2.1  3.0  3.8  2.7  5.5  8.1   A   5.3   C   2.3  7.5  8.2  7.8
15Z:  7.6  2.4       4.2  3.0  2.7       3.8  2.6  6.9  8.5   A   4.2       2.4  8.2  8.6  9.6
16Z:  8.6  2.5       3.5  2.5  2.8       3.9  2.5  6.7  8.5   A   3.7  5.7  2.5  8.1  8.6  3.7
17Z:  8.5  5.2       3.3            6.0  3.6       7.6  8.7  3.7  3.8  6.3  5.2  7.8  9.2
18Z:  8.6            3.7                 3.7  2.4  8.6  8.7   B   4.1   F        8.7  8.5
19Z:  9.6                                          9.8  8.6  4.8  3.3   F        8.1  9.7
20Z:  9.3                                          9.7  8.6  5.6  2.7   F        8.0  9.3
21Z:  8.8                                          9.0  7.9  5.4  2.1   F        7.0  7.5
22Z:  7.5                                          9.6  6.3  5.4  3.7   I        6.7  5.1
23Z:  4.2                                          8.8  3.8  5.4  6.7   I        4.4  4.2
=========================================
Estimated Average Global foF2:  5.52 MHz.


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

      WLP  MAU  MUR  ASH  SVE  SAL  DIX  KHA  MAG  VBG  GOO  EIE  TAO  CHU  KEA  ARG  BER  NIC  LEA
     ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----
00Z: 12.2 45.9  4.5                     23.8 21.0 23.4 10.2 17.8 27.1      46.6 10.8 12.8 11.5
01Z:  9.9 38.2  4.6                     23.8 22.4 12.4  9.6 17.5 35.2      38.8 10.2 12.0 12.5
02Z:  9.6 32.7  4.2            4.6  7.0      27.2  9.5  8.1 20.4 40.1      33.1  9.6 11.9 14.8
03Z: 11.1 22.4  4.6           11.2      23.4 22.7 11.8  7.3 12.7 45.6      22.7  9.0 12.6 15.2
04Z: 10.4 16.9  5.0      15.7 15.8      21.7 19.8 17.1  6.4  8.6 49.3      16.9  8.7 11.9 14.8
05Z:  9.6 11.2  9.0 22.1 18.9 20.1 18.4 22.1 20.5 11.2  6.4  6.6 46.9      11.2  8.4 13.0 21.5 23.7
06Z:  9.9  7.7 14.2           18.1 17.8 21.0 19.9 12.5  5.3   A  39.4       7.8  9.0 13.0 22.0
07Z: 10.2  9.1 18.9 24.1      19.8      25.6 16.1 13.2   A  23.4 42.0       9.3  8.4 13.8 25.8
08Z:  9.5 12.2 21.0 24.2      20.1      22.1  9.9 10.4   B  11.1 33.2      12.4  7.0 10.9 27.1
09Z:  9.3 14.0 23.1      21.0 21.8 16.3 12.4      12.2   A  16.9 28.1      14.2   B   7.6 29.0
10Z:  7.6 14.6      25.6 18.6 19.4 11.2  9.9  5.0 12.9  9.6 17.9 21.4      14.6 13.9 12.9 32.3
11Z: 13.5 15.5 24.1 21.8 18.9 18.4      11.0      11.9 17.7   A  21.4      15.8 21.7 24.5 32.9 18.9
12Z: 23.4 17.4 22.8 21.8 17.4 15.8      10.8      10.7 22.1   A  20.1      17.6 25.2 24.8 25.2
13Z: 25.9 13.5 20.5 20.8 15.0   D       10.4  7.3 10.8 23.8   A  27.6      13.7 26.3 28.8 32.0
14Z: 23.8  6.8 11.9      12.8  6.7  8.4 10.6  8.1 18.7 26.7   A  16.4   C   6.9 24.8 25.4 29.6
15Z: 25.1  7.7      13.0       7.8      10.6  7.3 24.8 27.2   A  13.0       7.7 27.1 28.4 35.5
16Z: 27.5  7.2      10.5  6.2  8.1      11.3  7.5 22.1 28.0   A  11.8 18.2  7.2 27.5 28.4 14.1
17Z: 27.2 16.6       8.9           20.4 10.1      23.6 27.0 11.5 12.2 20.2 16.6 25.0 29.4
18Z: 26.7           10.0                11.1  7.7 25.8 27.8   B  14.3   F       28.7 30.6
19Z: 29.8                                         31.4 27.5 14.9 11.9   F       28.4 33.0
20Z: 31.6                                         30.1 28.4 17.9  9.2   F       27.2 31.6
21Z: 29.9                                         28.8 24.5 16.7  5.9   F       23.1 26.2
22Z: 24.8                                         31.7 19.5 17.3 11.5   I       22.8 15.8
23Z: 14.7                                         30.8 11.8 17.8 22.8   I       14.1 13.0
===============================================
Estimated Average Global MUF(3000)F2: 17.81 MHz.


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

      TAO  ANC  CNV  OSA  PAL  BOU  SHE
     ---- ---- ---- ---- ---- ---- ----
00Z:  340  510  120       470  140
01Z:  520  480   85       370  110
02Z:  710  460   80       250  100
03Z:  700  440   81       130   98
04Z:  710  430   83        89   98
05Z:  640  400   78        50  100
06Z:  520  400   77        46  110
07Z:  440  400   77        43  100
08Z:  310  400   83        46
09Z:  220  400   88        49  100
10Z:  200  400   90        44   98
11Z:  190  400   93        45   93
12Z:  180  400  110        45   99
13Z:  170  390  160  230   36   94
14Z:  170  390  190  230   17  110
15Z:  160  390  220  240   26  130
16Z:  130  390  240        27  160
17Z:  120  410  260        74  200
18Z:  120  450  280       160  230
19Z:  100  490  310       270  280
20Z:   98  530  330       370
21Z:   99  560  300       510  290
22Z:  150  540  230       610  280
23Z:  190  550  180       720  220


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

WLP = Wallops Island VA          USA                 (N37W075)
MAU = Maui HI                    USA                 (N20W157)
MUR = Murmansk                   USSR                (N68E033)
ASH = Ashkhabad                  USSR                (N37E058)
SVE = Sverdlovsk                 USSR                (N56E061)
SAL = Salekhard                  USSR                (N66E066)
DIX = Dixon                      USSR                (N74E081)
KHA = Khabarovsk                 USSR                (N48E135)
MAG = Magadan                    USSR                (N60E151)
VBG = Vandenberg AFB CA          USA                 (N34W120)
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)
LEA = Learmonth                  Australia           (S21E115)
ANC = Anchorage AK               USA                 (N61W150)
CNV = Cape Canaveral FL          USA                 (N28W080)
OSA = Osan AB                    Korea               (N37E127)
PAL = Palehua HI                 USA                 (N21W158)
BOU = Boulder CO                 USA                 (N40W105)
SHE = Shemya AK                  USA                 (N52E174)


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.


