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From: oler@rho.uleth.ca (Cary Oler)
Message-Id: <9310250008.AA14480@rho.uleth.ca>
Subject: Daily Summary of Ionospheric Data for 23 October
To: solar-daily@lut.fi
Date: Sun, 24 Oct 93 18:08:05 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 23 OCT 93
                    ---------------------------------------


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

     MUR  SVE  SAL  KHA  MAG  ASH  TOM  DIX  WLP  VBG  GOO  EIE  TAO  ARG  BER  DYS  LEA
     ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---
00Z:      2.5  2.9  3.3  3.6  2.8  2.8       3.4  3.5  3.0  3.2  3.7  2.9  3.1  3.4  2.9
01Z:                3.2  3.4       3.0  2.8  3.1  3.4  3.4  3.2  3.0  3.3  3.3  3.3  3.0
02Z: 3.1            3.2  3.6  3.3  3.3  2.9  3.1  3.4   A   3.0  3.3  3.0       3.6   A
03Z: 2.8       3.3       3.6  3.3  3.2  3.1  2.9  3.3   B   3.2  3.4  2.9  2.9   A    A
04Z: 2.8       3.1  3.2  3.6  3.4  3.3       2.9   A    A   3.1  3.2  2.9  3.0  2.8   A
05Z: 2.9  2.8  3.2  3.2  3.6  3.6  3.4  3.1  2.7  2.7  2.6  2.9  3.2  3.2  3.0  2.9  2.9
06Z: 3.1            3.2  3.5  3.1       3.1                      3.2            2.7
07Z: 3.1            3.2  3.4  2.9  3.5                           3.2            3.3
08Z: 3.2            3.1  3.2  3.2  3.4  3.1                      3.3            2.8
09Z: 3.2       3.2  3.1  3.4  3.1  3.4  3.3                      3.4            2.9
10Z:           3.3  3.4  3.4       3.6  3.1                       I             3.5
11Z:      2.9  3.3  3.6  3.2  2.6  3.5  3.3  3.5  3.2  3.5   A   3.3  3.6  3.2  3.7  3.0
12Z: 3.3  3.0  3.3  2.7                 2.9  3.5  2.9  3.3   A   3.3  3.4       2.9  3.1
13Z:                                         3.3  3.1  3.2       3.2  3.2  3.5  3.6  2.8
14Z:                                         3.2  2.3  3.3  2.6  2.6  3.2       3.4  2.9
15Z:                                         3.3  3.5  3.0  3.9  3.1       3.5  3.5
16Z:
17Z:
18Z:
19Z:
20Z:
21Z:
22Z:
23Z:
=========================================
Estimated Average Global M(3000)F2:  3.18.


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

     MUR  SVE  SAL  KHA  MAG  ASH  TOM  DIX
     ---  ---  ---  ---  ---  ---  ---  ---
00Z: 1.0  1.8  1.0  1.1  1.0  1.7  1.0
01Z: 1.0  1.4       1.2  1.4  1.3  1.0  1.4
02Z: 1.3  1.8  1.0  1.2  1.4  2.0  1.0  1.5
03Z: 1.2  1.8  1.0       1.0  2.0  1.0  1.5
04Z: 1.2  1.6  1.0  1.3  1.0  1.9  1.6
05Z: 1.0  1.0  1.0  1.4  1.0  2.0  1.4  2.1
06Z: 2.0  1.0       1.2  1.0  2.0       2.1
07Z: 2.0  1.5       1.2  1.0  2.0  1.6
08Z: 2.1  1.0       1.2  1.0  2.2  1.5  1.8
09Z: 2.3  1.8  3.0  1.0  1.0  2.2  1.4  1.7
10Z:      1.4  2.0  1.0  1.0  1.9  1.0  1.5
11Z:      1.6  1.9  1.1  1.0  2.0  1.0  1.1
12Z: 3.5  1.8  1.0  1.2                 1.3
13Z:
14Z:
15Z:
16Z:
17Z:
18Z:
19Z:
20Z:
21Z:
22Z:
23Z:


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

     MUR  SVE  KHA  MAG  ASH  TOM  DIX
     ---  ---  ---  ---  ---  ---  ---
00Z: 3.3       3.2  3.2  2.8  2.4
01Z: 4.0       2.9  2.6  3.0  2.8  4.0
02Z:           3.7  2.4  2.5  1.9  2.3
03Z:                2.4  2.6  3.7  1.6
04Z:           3.3  2.3       3.9
05Z: 2.4  3.8  3.0  2.3  3.5  2.8
06Z:      4.0  2.8  2.0  6.2
07Z:      5.8       2.0  4.0  4.3
08Z:      4.3  3.1  1.7  4.0  3.7  2.0
09Z:      5.0  2.8  2.0  5.0  2.4  2.6
10Z:      4.0  3.3  2.0  8.3  2.0
11Z:           5.7  1.9  4.8  1.9  2.0
12Z:           3.3                 1.8
13Z:
14Z:
15Z:
16Z:
17Z:
18Z:
19Z:
20Z:
21Z:
22Z:
23Z:


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

      MUR  SVE  SAL  KHA  MAG  ASH  TOM  DIX  WLP  VBG  GOO  EIE  TAO  ARG  BER  DYS  LEA
     ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----
00Z:  3.3  4.0  5.0  8.1  7.0  3.4  3.7       5.3  7.7  4.4  5.6  7.1  4.9  5.7  6.5  5.7
01Z:       4.3       9.1  8.7  3.1  3.5  4.0  4.6  7.0  2.9  5.3  8.1  3.7  4.9  6.3  6.0
02Z:  4.0  3.0       9.0  8.5  6.7  4.6  3.8  4.1  5.9   A   5.3 11.6  3.4       4.7   A
03Z:  2.3  5.0  3.1       8.5  6.7  5.3  4.0  4.2  3.6   B   4.6 12.4  3.6  4.7   A    A
04Z:  2.2  6.0  4.2  8.9  7.2  8.8  5.8       4.0   A    A   3.5 11.2  3.1  4.8  3.3   A
05Z:  3.2  5.8  4.8  8.5  7.1  9.5  6.7  4.6  3.4  3.7  4.1  3.4 15.0  2.2  4.6  3.5  7.3
06Z:  4.4  6.3       7.8  7.3  7.8       5.0                     16.2            3.6
07Z:  5.2  7.0       8.1  7.1  9.6  7.4                          16.2            3.3
08Z:  6.4  7.0       7.6  6.5  8.7  8.0  6.2                     16.0            3.9
09Z:  6.8  7.0  6.0  7.2  6.0  8.5  8.1  4.2                     15.0            4.3
10Z:       7.5  5.5  6.3  4.6  8.8  7.0  3.7                       I             4.5
11Z:       6.3  4.8  4.5  3.2  9.4  5.9  3.2  4.2  3.5  4.1   A  11.6  5.1  5.2  3.2  5.6
12Z:  5.3  6.0  4.4  4.2                 2.3  5.1  3.0  4.8   A  10.4  5.1       3.4  4.1
13Z:                                          6.2  3.2  5.1       7.5  5.7  6.8  5.4  4.0
14Z:                                          8.2  4.8  5.2  3.2  5.7  6.3       7.4  3.9
15Z:                                          6.6  6.2  6.1  4.2  4.5       8.2  8.2
16Z:
17Z:
18Z:
19Z:
20Z:
21Z:
22Z:
23Z:
=========================================
Estimated Average Global foF2:  5.92 MHz.


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

      MUR  SVE  SAL  KHA  MAG  ASH  TOM  DIX  WLP  VBG  GOO  EIE  TAO  ARG  BER  DYS  LEA
     ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----
00Z:      10.0 14.5 26.7 25.2  9.5 10.4      18.0 26.9 13.2 17.9 26.3 14.2 17.7 22.1 16.5
01Z:                29.1 29.6      10.5 11.2 14.3 23.8  9.9 17.0 24.3 12.2 16.2 20.8 18.0
02Z: 12.4           28.8 30.6 22.1 15.2 11.0 12.7 20.1   A  15.9 38.3 10.2      16.9   A
03Z:  6.4      10.2      30.6 22.1 17.0 12.4 12.2 11.9   B  14.7 42.2 10.4 13.6   A    A
04Z:  6.2      13.0 28.5 25.9 29.9 19.1      11.6   A    A  10.8 35.8  9.0 14.4  9.2   A
05Z:  9.3 16.2 15.4 27.2 25.6 34.2 22.8 14.3  9.2 10.0 10.7  9.9 48.0  7.0 13.8 10.2 21.2
06Z: 13.6           25.0 25.6 24.2      15.5                     51.8            9.7
07Z: 16.1           25.9 24.1 27.8 25.9                          51.8           10.9
08Z: 20.5           23.6 20.8 27.8 27.2 19.2                     52.8           10.9
09Z: 21.8      19.2 22.3 20.4 26.3 27.5 13.9                     51.0           12.5
10Z:           18.1 21.4 15.6      25.2 11.5                       I            15.8
11Z:      18.3 15.8 16.2 10.2 24.4 20.6 10.6 14.7 11.2 14.3   A  38.3 18.4 16.6 11.8 16.8
12Z: 17.5 18.0 14.5 11.3                 6.7 17.9  8.7 15.8   A  34.3 17.3       9.9 12.7
13Z:                                         20.5  9.9 16.3      24.0 18.2 23.8 19.4 11.2
14Z:                                         26.2 11.0 17.2  8.3 14.8 20.2      25.2 11.3
15Z:                                         21.8 21.7 18.3 16.4 13.9      28.7 28.7
16Z:
17Z:
18Z:
19Z:
20Z:
21Z:
22Z:
23Z:
===============================================
Estimated Average Global MUF(3000)F2: 18.81 MHz.


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

      TAO  ANC  CNV  PAL  BOU  SHE  OSA
     ---- ---- ---- ---- ---- ---- ----
00Z:  240  490  220  500  170
01Z:  360  490  130  370  150
02Z:  540  470  120  290  110
03Z:  690  460  100  250   73
04Z:  790  390   94        55
05Z:  820  380   95        64
06Z:  780  380             62
07Z:  680                  58
08Z:  720                  59
09Z:  640                  59
10Z:  490                  59
11Z:  400  360  120        51
12Z:  310  360  130        41
13Z:  180  360  160        38
14Z:  130  360             76
15Z:  120  360            130
16Z:       360            190
17Z:                      200
18Z:                      200
19Z:                      200
20Z:                      190
21Z:                      200
22Z:                      200
23Z:                      200


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

MUR = Murmansk                   USSR                (N68E033)
SVE = Sverdlovsk                 USSR                (N56E061)
SAL = Salekhard                  USSR                (N66E066)
KHA = Khabarovsk                 USSR                (N48E135)
MAG = Magadan                    USSR                (N60E151)
ASH = Ashkhabad                  USSR                (N37E058)
TOM = Tomsk                      USSR                (N56E085)
DIX = Dixon                      USSR                (N74E081)
WLP = Wallops Island VA          USA                 (N37W075)
VBG = Vandenberg AFB CA          USA                 (N34W120)
GOO = Goose Bay                  Canada              (N53W060)
EIE = Eielson AFB AK             USA                 (N64W147)
TAO = Taoyuan                    Taiwan              (N25E121)
ARG = Argentia                   Canada              (N48W053)
BER = Bermuda                    Bermuda             (N32W064)
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.


