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From: oler@rho.uleth.ca (Cary Oler)
Message-Id: <9312160451.AA21639@rho.uleth.ca>
Subject: Daily Summary of Ionospheric Data for 15 December
To: solar-daily@lut.fi
Date: Wed, 15 Dec 93 21:51:33 MST
X-Mailer: ELM [version 2.3 PL11]
Reply-To: SOLAR-DAILY Distribution List <solar-daily@lut.fi>
X-Sequence: 1194
Status: RO

                    ---------------------------------------
                    DAILY IONOSPHERIC SUMMARY FOR 15 DEC 93
                    ---------------------------------------


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

     MUR  ASH  SVE  SAL  DIX  MAG  TOM  JUL  UPS  BOU  WLP  MAU  VBG  GOO  EIE  TAO  CHU  KEA  ARG  BER  NIC  DYS  LEA
     ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---
00Z: 3.2  3.0  2.8            3.6  2.9  3.2  2.8  3.5  3.1  3.2  3.5  2.8  3.4  3.5       3.1  2.9  3.5  3.5  3.4
01Z: 3.0  3.9  2.9            3.6  2.9  3.1  2.8        A   3.4  3.4  2.9  3.1  3.4       3.4   B    A   3.2  3.3
02Z: 3.3  3.0  2.9            3.6  3.1  3.1  2.8       3.5  3.7  3.2  2.7  2.8  3.4       3.7   B    A   3.4  3.8
03Z: 3.0       3.0            3.8  3.6   E   2.8       2.8  3.5  3.3  3.4  2.9  3.0       3.6   B    B   3.8   A
04Z: 2.9  3.4       2.8       3.7  3.7  3.1            2.8  3.4  3.1  3.4   A   3.2       3.4  3.1   B   3.7  3.8
05Z:      3.0       3.1  3.2  3.8  3.4  3.3            2.9  3.8  3.0  3.1  2.4  3.2       3.8  2.8  3.5  3.4   A   3.1
06Z:      3.2  3.3  3.3  3.1  3.6  3.1  3.1                 3.1                 3.2       3.1            3.4
07Z: 3.3            3.3  3.1       3.4  3.2            3.0  3.0  3.1  2.8       3.4       3.1  3.1  4.0  3.8       3.1
08Z: 3.3  3.1  3.3  3.3  3.4  3.0  3.3  3.7            2.9  3.2  2.8  2.6   A   3.3       3.3   B        3.5  2.9   A
09Z:      3.1       3.4            3.2                 3.0  3.2  2.6  3.2   A   3.4       3.2  3.2   B   3.4  2.9   A
10Z:      2.9       3.3       3.3  3.2                 2.9  3.1  3.0  2.9   A    C        3.1   A   3.8  3.5  3.2   A
11Z: 3.3  3.4  3.4            2.8  3.5                 2.7  2.7  3.1  2.6  3.8  3.4       2.7  3.4   A   3.4  3.3   B
12Z: 3.3       3.5  3.0       2.9  3.4                 3.7  3.8  3.3  3.5  3.3  3.1       3.8  3.6  3.4  3.5  3.0   B
13Z: 3.1  3.5                 2.8  3.1                 3.4   I   2.7  3.3   A   3.5        D    A   3.4  3.8       3.5
14Z:           3.0            2.8                       A   3.5  2.6  3.5   B   3.2   F   3.5  3.7       3.7       3.0
15Z:      3.0  2.9            2.8                      3.3  2.8  3.4  3.5  2.9  2.8   R   2.8  3.5  3.5  3.0  3.6  3.3
16Z:           2.9            3.2                      3.3  2.9  3.4  3.5  2.9  2.9  3.2  2.9  3.3       3.0  3.5   A
17Z:      3.2  2.9            3.2                      3.4  3.0  3.4  3.6  3.0  3.3  3.3  3.1  3.5  3.4  3.7  3.6  3.5
18Z:      3.0            3.0  3.2                      3.4       3.5  3.5  3.1   I   3.3       3.6  3.8  3.3  3.3  3.0
19Z:                                                   3.2       3.5  3.5  3.3  3.6  3.2       3.4  3.3  3.1  3.7  3.0
20Z:                                                   3.4       3.5  3.3  3.3  2.8  3.3       3.2  3.5  2.9  3.6   B
21Z:                                                   3.5       3.4  2.9  3.2  2.8  3.3       2.9  3.8   C   3.3   B
22Z:                                                   3.4       3.2  3.0       2.8  3.2        A   3.8   C   3.2  3.4
23Z:                                                   3.1       3.2   A   3.3  3.5            3.0   B    C   3.6   A
=========================================
Estimated Average Global M(3000)F2:  3.24.


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

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


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

     MUR  ASH  SVE  SAL  DIX  MAG  TOM
     ---  ---  ---  ---  ---  ---  ---
00Z:                     3.2  1.9
01Z:                     2.6
02Z:                               3.3
03Z:      2.7                 2.2  4.5
04Z:           3.0       2.1  1.7  2.6
05Z: 2.7  4.2       1.8  2.1  1.5
06Z: 2.8  5.1  2.8  1.6       1.5
07Z:                2.2  2.0
08Z:      3.3  2.6       1.4
09Z:           3.0
10Z:                          1.5  3.0
11Z:      3.1            3.6  1.9
12Z:                5.0       1.3
13Z:      2.6  3.0       2.2
14Z: 4.5            2.3
15Z: 4.3                 3.6  2.0
16Z: 3.0                 4.4
17Z:                     3.0
18Z: 3.5                 4.0
19Z:
20Z:
21Z:
22Z:
23Z:


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

      MUR  ASH  SVE  SAL  DIX  MAG  TOM  JUL  UPS  POI  BOU  WLP  MAU  VBG  GOO  EIE  TAO  CHU  KEA  ARG  BER  NIC  DYS  LEA
     ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----
00Z:  3.8  4.4  3.3            6.6  2.4  3.3  2.0  3.5  5.3  3.9 15.6  7.4  3.3  5.4  8.0      15.6  3.0  3.3  3.0  4.4
01Z:  3.2  3.6  3.0       3.0  6.3  2.4  3.4  2.1  3.4        A  17.0  4.7  2.7  4.3 10.5      17.0   B    A   3.2  3.6
02Z:  3.5  4.3  2.5            7.6  3.2  2.9  2.2  3.5       2.8 13.9  3.9  2.4  3.4  9.4      13.9   B    A   3.7  3.4
03Z:  4.0       2.3       1.6  6.4  5.7   F   2.3  3.5       2.8  9.5  2.3  4.0  3.3  9.6       9.5   B    B   3.4   A
04Z:  3.9  7.1  3.3  2.1       6.2  5.8  3.0       3.3       3.4  6.0  3.1  2.8   A  14.0       6.0  2.4   B   2.6  3.2
05Z:       6.4       3.8  2.2  4.2  6.4  2.7       3.2       4.1  3.9  3.1  3.1  4.5 12.5       3.9  2.5  3.6  4.9   A   9.5
06Z:       8.1  6.0  5.1  2.9  5.2  6.6  2.7       3.0            2.7                13.5       2.7            4.9
07Z:  2.3            5.6  3.7       7.4  3.8       3.5       4.1  3.1  3.2  2.9      11.0       3.1  2.9  2.9  5.9      10.8
08Z:  4.0  6.8  7.8  6.4  4.2  2.4  7.1  5.8                 4.0  3.7  3.1  3.1   A   8.2       3.7   B        6.6  3.9   A
09Z:       7.0  7.5  5.4            6.2                      4.1  4.5  3.3  3.7   A   8.0       4.5  2.9   B   6.4  4.1   A
10Z:       7.9       4.6       2.1  6.1                      3.3  5.1  3.3  3.2   A    C        5.1   A   2.9  6.6  4.5   A
11Z:  5.4  7.2  6.0            2.2  5.0                      3.5  5.7  3.4  3.0  3.8  5.3       5.7  4.6   A   6.6  3.9   B
12Z:  4.0       4.8 12.1       3.0  3.4                      5.4  5.6  4.0  4.3  3.9  4.7       5.6  5.9  6.2  7.0  3.8   B
13Z:  2.5  5.2  3.3            3.1  2.2                      6.5  3.2  2.7  5.3   A   3.8       3.2   A   7.5  7.2       5.0
14Z:            2.5            3.2                            A   1.8  3.0  6.8   B   3.2   F   1.8  6.7       5.9       5.4
15Z:      14.0  2.4            3.2                           7.8  2.3  5.8  7.1  4.0  3.2   R   2.3  8.6  7.2  3.8  6.9  5.5
16Z:            2.1            3.3                           8.2  2.6  7.6  7.1  3.9  3.3  5.2  2.6  7.6       4.5  8.7   A
17Z:       4.1  2.1       3.4  3.1                           7.9  5.3  7.7  7.0  3.0  4.2  5.6  5.3  7.3  7.7  5.6  7.8  5.2
18Z:       4.0  2.0       3.8  2.8                           7.7       7.6  6.6  3.0   I   5.6       6.2  6.7  4.7  8.5  3.9
19Z:                                                         7.2       8.0  5.7  4.1  2.2  5.4       5.9  7.4  3.0  8.5  3.3
20Z:                                                         6.5       7.2  5.7  4.9  1.9  5.7       4.5  5.8  3.1  7.3   B
21Z:                                                         5.8       7.1  4.7  5.1  1.9  5.6       4.1  4.7   C   6.6   B
22Z:                                                         5.3       6.5  3.9       2.4  5.4        A   3.0   C   6.5  4.7
23Z:                                                         4.3       7.9   A   6.0  6.0            3.2   B    C   7.7   A
=========================================
Estimated Average Global foF2:  5.04 MHz.


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

      MUR  ASH  SVE  SAL  DIX  MAG  TOM  JUL  UPS  BOU  WLP  MAU  VBG  GOO  EIE  TAO  CHU  KEA  ARG  BER  NIC  DYS  LEA
     ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----
00Z: 12.2 13.2  9.2           23.8  7.0 10.6  5.7 18.8 12.1 49.1 25.9  9.2 18.4 28.0      48.4  8.7 11.6 10.5 15.0
01Z:  9.6 14.0  8.7           22.7  7.0 10.5  5.9        A  57.8 16.0  7.8 13.3 35.7      57.8   B    A  10.2 11.9
02Z: 11.6 12.9  7.2           27.4  9.9  9.0  6.2       9.8 50.7 12.5  6.5  9.5 32.0      51.4   B    A  12.6 12.9
03Z: 12.0       6.9           24.3 20.5   F   6.6       7.8 33.7  7.6 13.6  9.6 28.8      34.2   B    B  12.9   A
04Z: 11.3 24.1       5.9      22.9 21.5  9.3            9.5 20.4  9.6  9.5   A  44.8      20.4  7.4   B   9.6 12.2
05Z:      19.2      11.8  7.0 16.0 21.8  8.9           11.9 14.6  9.3  9.6 10.8 40.0      14.8  7.0 12.6 16.7   A  29.4
06Z:      25.9 19.8 16.8  9.0 18.7 20.5  8.4                 8.4                43.2       8.4           16.7
07Z:  7.6           18.5 11.5      25.2 12.2           12.3  9.5  9.9  8.1      37.4       9.6  9.0 11.6 22.4      33.5
08Z: 13.2 21.1 25.7 21.1 14.3  7.2 23.4 21.5           11.6 12.0  8.7  8.1   A  27.1      12.2   B       23.1 11.3   A
09Z:      21.7      18.4           19.8                12.3 14.2  8.6 11.8   A  27.2      14.4  9.3   B  21.8 11.9   A
10Z:      22.9      15.2       6.9 19.5                 9.6 15.8  9.9  9.3   A    C       15.8   A  11.0 23.1 14.4   A
11Z: 17.8 24.5 20.4            6.2 17.5                 9.4 15.4 10.5  7.8 14.4 18.0      15.4 15.6   A  22.4 12.9   B
12Z: 13.2      16.8 36.3       8.7 11.6                20.0 21.0 13.2 15.1 12.9 14.6      21.3 21.2 21.1 24.5 11.4   B
13Z:  7.8 18.2                 8.7  6.8                22.1   I   7.3 17.5   A  13.3        D    A  25.5 27.4      17.5
14Z:            7.5            9.0                       A   6.3  7.8 23.8   B  10.2   F   6.3 24.8      21.8      16.2
15Z:      42.0  7.0            9.0                     25.7  6.3 19.7 24.9 11.6  9.0   R   6.4 30.1 25.2 11.4 24.8 18.1
16Z:            6.1           10.6                     27.1  7.5 25.8 24.9 11.3  9.6 16.6  7.5 25.1      13.5 30.4   A
17Z:      13.1  6.1            9.9                     26.9 16.2 26.2 25.2  9.0 13.9 18.5 16.4 25.6 26.2 20.7 28.1 18.2
18Z:      12.0           11.4  9.0                     26.2      26.6 23.1  9.3   I  18.5      22.3 25.5 15.5 28.0 11.7
19Z:                                                   23.0      28.0 19.9 13.5  7.9 17.3      20.1 24.4  9.3 31.5  9.9
20Z:                                                   22.1      25.2 18.8 16.2  5.3 18.8      14.4 20.3  9.0 26.3   B
21Z:                                                   20.3      24.1 13.6 16.3  5.3 18.5      11.9 17.9   C  21.8   B
22Z:                                                   18.0      20.8 11.7       6.7 17.3        A  11.4   C  20.8 16.0
23Z:                                                   13.3      25.3   A  19.8 21.0            9.6   B    C  27.7   A
===============================================
Estimated Average Global MUF(3000)F2: 16.32 MHz.


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

      BOU  TAO  ANC  CNV  PAL  SHE  OSA
     ---- ---- ---- ---- ---- ---- ----
00Z:  120  290  150  130  670
01Z:   75  350   98   94  710
02Z:   55  360   63   88  510
03Z:   39  440   44   99  260
04Z:   40  430   28  100  130
05Z:   40  380   22  110   65
06Z:   41  390   22        47
07Z:   41  380             48
08Z:   41  280   29  130   49
09Z:   43  250   26  120   60
10Z:   44  230   28  130   74
11Z:   44  230   28  120   69
12Z:   42  120   25  110   74
13Z:   37  120   22  160   69
14Z:   40  120   21  210   43
15Z:   84  120   27  230   37
16Z:  130  120   37  270   47
17Z:  150  130   39  260   72
18Z:  190  110   40  250  110
19Z:  190   90   65  240  150
20Z:  160   81   96  210  210
21Z:  140   81  130  170  290
22Z:  150  120  170  180  340
23Z:  180  190  190  170  440


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

MUR = Murmansk                   USSR                (N68E033)
ASH = Ashkhabad                  USSR                (N37E058)
SVE = Sverdlovsk                 USSR                (N56E061)
SAL = Salekhard                  USSR                (N66E066)
DIX = Dixon                      USSR                (N74E081)
MAG = Magadan                    USSR                (N60E151)
TOM = Tomsk                      USSR                (N56E085)
JUL = Juliusruh/Rugen            Germany             (N54E013)
UPS = Uppsala                    Sweden              (N60E018)
POI = Poitiers                   France              (N46E000)
BOU = Boulder CO                 USA                 (N40W105)
WLP = Wallops Island VA          USA                 (N37W075)
MAU = Maui HI                    USA                 (N20W157)
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.


