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From: oler@rho.uleth.ca (Cary Oler)
Message-Id: <9310270341.AA25356@rho.uleth.ca>
Subject: Daily Summary of Ionospheric Data for 26 October
To: solar-daily@lut.fi
Date: Tue, 26 Oct 93 21:41:39 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 26 OCT 93
                    ---------------------------------------


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

     BOU  WLP  MUR  ASH  SVE  SAL  TOM  KHA  MAU  VBG  GOO  EIE  TAO  CHU  KEA  ARG  BER  NIC  DYS  LEA
     ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---
00Z: 3.2  3.0                                3.2  2.4  2.4       3.2       3.2  2.6  2.9  2.8  3.2  2.9
01Z:      2.8                                3.3  3.1  2.3  3.0  3.3       3.4  2.6  2.6  2.8  3.0  2.9
02Z:      2.8                                3.2  3.3  2.7  3.1  3.3       3.2  2.7  2.8  2.8   A   2.8
03Z:      3.1                                3.3  3.2  3.1  3.0  3.2       3.4  2.7  3.1  3.0  3.1   A
04Z:      3.0                                3.6  3.2  2.6  4.3  3.0       3.6  3.1  3.1  3.4   A    A
05Z:      2.7                                3.1  2.8  2.6  2.9  3.6       3.2       2.9  3.7  3.0  2.9
06Z:      2.7                                3.0  2.3  2.7  3.4  3.4       3.0   A   2.9  3.5  2.9  2.8
07Z:      2.7                                3.0  2.6   A   2.6  3.2       3.0   A   3.0  3.8  3.0  3.0
08Z:      2.8                                3.0  2.3   A    A   3.5       3.0   A        3.4  3.0  3.0
09Z:      3.1                                3.3  2.5   B   3.6  3.3       3.4  2.8  3.4  3.4  3.2  3.1
10Z:      3.3            3.0                 3.2  3.2   A   3.5  3.2       3.2  3.3  3.4  3.5  3.4  3.4
11Z:      3.3                                3.3  2.2  3.3  3.3  3.7       3.3  3.5       3.5  3.4  3.4
12Z:      2.5                      3.4  3.1  3.6  2.9  3.3  3.6   A        3.6  3.6  3.6  3.5  2.9  3.1
13Z:      3.2  3.3  3.3  2.8  3.1  3.0  3.0  2.2  3.1  3.4  3.7   F    R   2.3  3.6       3.7  3.3  3.1
14Z:      3.4  3.3            3.2  3.1  2.9  3.0  3.5  3.5  2.8  3.2  3.3  3.0  3.3  3.3  3.6  3.4  2.9
15Z:      3.2  3.3  3.1       3.1  2.8  2.9  3.0   A   3.2   A    F    F   3.0  3.3  3.7  3.7       2.9
16Z:      3.1            2.8       2.8  2.8  3.0  2.7  3.1   B   3.3   F   3.0  3.3  3.2  3.5       3.5
17Z:      3.2       2.2  2.6       2.7  2.9  3.1  3.2  2.8   B    F    C   3.1  3.0  3.5  3.1       3.4
18Z:      2.9                                     2.9  3.1   A   3.1   B        3.2       3.1       2.7
19Z:      3.5                                     3.1  3.5  2.8   F    R        3.5       2.7       3.2
20Z:      3.4                                     3.1  3.3  3.2   F    F        3.4  3.4  2.8
21Z:      3.5                                     3.5  3.2  3.0   F    I        3.3  3.7            2.2
22Z:      3.2                                     3.5   A   3.0  3.3            3.3  3.2  3.2       3.3
23Z:      2.7                                     3.6   A   3.2  3.6            2.8  2.6  3.5       3.1
=========================================
Estimated Average Global M(3000)F2:  3.12.


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

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


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

     MUR  ASH  SVE  SAL  DIX  KHA  MAG
     ---  ---  ---  ---  ---  ---  ---
00Z:
01Z:
02Z:
03Z:
04Z:
05Z:
06Z:
07Z:
08Z:
09Z:
10Z:
11Z:           2.6
12Z:           2.4            3.2
13Z:      2.9  3.0       3.0
14Z:
15Z:                1.5  2.7
16Z: 6.5            5.0  3.8
17Z:      2.5       4.3            3.1
18Z:                               3.0
19Z:
20Z:
21Z:
22Z:
23Z:


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

      BOU  WLP  MUR  ASH  SVE  SAL  TOM  KHA  MAU  OTI  VBG  GOO  EIE  TAO  CHU  KEA  ARG  BER  NIC  DYS  LEA
     ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----
00Z:  5.6  4.8                               14.1       7.9  2.9       9.4      14.1  3.4  4.1  3.7  6.7  7.7
01Z:       5.0                               12.3       6.2  3.8  5.2 11.6      12.3  3.0  4.9  4.0  5.9  7.7
02Z:       4.8                                9.5       5.8  2.9  4.6 13.2       9.5  3.0  4.8  4.1   A   7.4
03Z:       4.2                                9.2       4.7  2.7  4.1 11.0       9.2  3.0  4.3  4.1  4.8   A
04Z:       3.8                                8.0       4.2  4.0  3.7 11.2       8.0  2.4  4.4  5.6   A    A
05Z:       3.5                                4.8       4.7  3.0  2.7 11.8       4.8       4.0  8.3  4.4  5.7
06Z:       3.4                                3.9       5.6  4.7  5.2 10.8       3.9   A   4.1  7.0  4.4  5.6
07Z:       3.8                                4.1       3.7   A   4.3  9.1       4.1   A   4.0  8.0  4.3  5.4
08Z:       3.5                                4.7       4.5   A    A   7.9       4.7   A        8.2  4.4  5.7
09Z:       3.8                                5.0       5.1   B   3.4  7.0       5.0  2.3  3.9  8.7  4.6  5.8
10Z:       3.9            6.8                 5.2       3.8   A   4.6  6.4       5.2  4.6  4.0  9.1  4.5  4.6
11Z:       5.2            6.8                 5.0       3.3  5.6  4.8  7.0       5.0  5.7       9.2  3.9  4.6
12Z:       6.0            6.5       4.9  5.3  2.8       3.3  5.6  5.5   A        2.8  7.4  7.2  8.2  3.7  5.7
13Z:       7.6  4.6  9.0  5.1  3.9  3.8  5.2  1.9  6.6  3.0  6.3  3.7   F    R   1.9  6.9       7.9  4.7  4.4
14Z:       8.3  4.7            3.6  3.3  5.2  2.0  7.0  4.6  6.8  2.7  4.4  5.1  2.0  7.6  7.6  7.6  7.9  4.8
15Z:       8.0  4.3 13.3  4.3  2.0  2.8  5.0  2.1  6.9   A   7.2   A    F    F   2.1  7.5  8.0  5.7       5.2
16Z:       8.4            3.0       2.4  4.8  2.5  7.8  6.8  8.4   B   3.9   F   2.5  8.1  9.2  5.0       4.5
17Z:       9.9       3.0  2.6       2.5  4.4  5.8  8.5  7.6  8.7   B    F    C   5.8  8.9  8.3  4.7       3.6
18Z:       9.6                                     9.0  6.9 10.3   A   3.8   B        9.3       4.7       3.5
19Z:       9.9                                          9.9 10.4  4.4   F    R        9.3       4.1       3.4
20Z:       9.9                                          9.6  7.9  4.4   F    F        9.3 11.3  4.2
21Z:       8.4                                          8.5  4.9  4.6   F    I        7.0  8.5            3.8
22Z:       5.9                                          8.3   A   5.1  4.2            4.7  4.5  4.3       5.4
23Z:       5.2                                          6.3   A   5.2  7.9            3.8  3.7  4.1       5.1
=========================================
Estimated Average Global foF2:  5.76 MHz.


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

      BOU  WLP  MUR  ASH  SVE  SAL  TOM  KHA  MAU  VBG  GOO  EIE  TAO  CHU  KEA  ARG  BER  NIC  DYS  LEA
     ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----
00Z: 18.1 14.4                               45.1 19.0  7.0      30.1      45.1  8.8 11.9 10.4 21.4 22.3
01Z:      14.0                               41.2 19.2  8.7 15.6 38.3      41.8  7.8 12.7 11.2 17.7 22.3
02Z:      13.4                               29.9 19.1  7.8 14.3 43.6      30.4  8.1 13.4 11.5   A  20.7
03Z:      13.0                               30.8 15.0  8.4 12.3 35.2      31.3  8.1 13.3 12.3 14.9   A
04Z:      11.4                               28.8 13.4 10.4 15.9 33.6      28.8  7.4 13.6 19.0   A    A
05Z:       9.4                               14.9 13.2  7.8  7.8 42.5      15.4      11.6 30.7 13.2 16.5
06Z:       9.2                               11.7 12.9 12.7 17.7 36.7      11.7   A  11.9 24.5 12.8 15.7
07Z:      10.3                               12.1  9.6   A  11.2 29.1      12.3   A  12.0 30.4 12.9 16.2
08Z:       9.8                               14.1 10.3   A    A  27.6      14.1   A       27.9 13.2 17.1
09Z:      11.8                               16.8 12.8   B  12.2 23.1      17.0  6.4 13.3 29.6 14.7 18.0
10Z:      12.9           20.4                16.4 12.2   A  16.1 20.5      16.6 15.2 13.6 31.9 15.3 15.6
11Z:      17.2                               16.5  7.3 18.5 15.8 25.9      16.5 19.9      32.2 13.3 15.6
12Z:      15.0                     16.7 16.4 10.1  9.6 18.5 19.8   A       10.1 26.6 25.9 28.7 10.7 17.7
13Z:      24.3 15.2 29.7 14.3 12.1 11.4 15.6  4.3  9.3 21.4 13.7   F    R   4.4 24.8      29.2 15.5 13.6
14Z:      28.2 15.5           11.5 10.2 15.1  6.0 16.1 23.8  7.6 14.1 16.8  6.0 25.1 25.1 27.4 26.9 13.9
15Z:      25.6 14.2 41.2       6.2  7.8 14.5  6.3   A  23.0   A    F    F   6.3 24.8 29.6 21.1      15.1
16Z:      26.0            8.4       6.7 13.4  7.5 18.4 26.0   B  12.9   F   7.5 26.7 29.4 17.5      15.8
17Z:      31.7       6.6  6.8       6.8 12.8 18.0 24.3 24.4   B    F    C  18.0 26.7 29.1 14.6      12.2
18Z:      27.8                                    20.0 31.9   A  11.8   B       29.8      14.6       9.4
19Z:      34.6                                    30.7 36.4 12.3   F    R       32.5      11.1      10.9
20Z:      33.7                                    29.8 26.1 14.1   F    F       31.6 38.4 11.8
21Z:      29.4                                    29.8 15.7 13.8   F    I       23.1 31.5            8.4
22Z:      18.9                                    29.1   A  15.3 13.9           15.5 14.4 13.8      17.8
23Z:      14.0                                    22.7   A  16.6 28.4           10.6  9.6 14.3      15.8
===============================================
Estimated Average Global MUF(3000)F2: 17.96 MHz.


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

      BOU  TAO  ANC  CNV  PAL  SHE  OSA
     ---- ---- ---- ---- ---- ---- ----
00Z:  160  390  360       560
01Z:  150  490  370  180  420
02Z:  130  580  380  150  300
03Z:   99  540  360  130  250
04Z:   77  590  320  120  160
05Z:   75  420  300  110   85
06Z:   71  350  280  110   75
07Z:   70  320  280  100   59
08Z:   66  250  280  110   42
09Z:   64  220  280  120   42
10Z:   63  190  270  120   43
11Z:   59  190  270  110   42
12Z:   48  170  270  130   25
13Z:   44  150  270  160   16
14Z:   71  130  270  220   18
15Z:  100  120  270  260   19
16Z:  140  120  270  300   21
17Z:  170  130  300  340   68
18Z:  220  130  330       160
19Z:  290  120  360  380  260
20Z:  280  120  380  410  320
21Z:  220  120  390  380  360
22Z:  190  170  390  290  380
23Z:  150  240  400  210  490


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

BOU = Boulder CO                 USA                 (N40W105)
WLP = Wallops Island VA          USA                 (N37W075)
MUR = Murmansk                   USSR                (N68E033)
ASH = Ashkhabad                  USSR                (N37E058)
SVE = Sverdlovsk                 USSR                (N56E061)
SAL = Salekhard                  USSR                (N66E066)
TOM = Tomsk                      USSR                (N56E085)
DIX = Dixon                      USSR                (N74E081)
KHA = Khabarovsk                 USSR                (N48E135)
MAG = Magadan                    USSR                (N60E151)
MAU = Maui HI                    USA                 (N20W157)
OTI = Ottawa                     Canada              (N45W076)
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)
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.


