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From: oler@rho.uleth.ca (Cary Oler)
Message-Id: <9312051925.AA01648@rho.uleth.ca>
Subject: Daily Summary of Ionospheric Data for 04 December
To: solar-daily@lut.fi
Date: Sun, 5 Dec 93 12:25:16 MST
X-Mailer: ELM [version 2.3 PL11]
Reply-To: SOLAR-DAILY Distribution List <solar-daily@lut.fi>
X-Sequence: 1172
Status: RO

                    ---------------------------------------
                    DAILY IONOSPHERIC SUMMARY FOR 04 DEC 93
                    ---------------------------------------


REPORTS OF IONOSPHERIC ABSORPTION
---------------------------------

DIX: Type of Measurement = Riometer.
     Type of Phenomenon  = Auroral Absorption.
     Start of Event: Unspecified or In Progress at start of reporting period.
     Event Maximum : Unspecified or I/P,  Maximum Absorption: Unspecified.
     End of Event  : 0100Z


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

     MUR  ASH  SVE  SAL  TOM  DIX  MAG  WLP  MAU  VBG  GOO  EIE  TAO  CHU  KEA  ARG  BER  NIC  DYS  LEA
     ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---
00Z:      3.1  2.7  2.9  2.9       3.4  3.1  3.2  3.0  2.2  3.0  3.7       3.2   B    A   3.1  3.3  2.4
01Z:      3.4                      3.5  2.3  3.6  3.5  2.4  3.1  3.4       3.6   B    B   3.4   A   3.0
02Z:      3.2  3.0       3.1       3.5  2.8  3.5  4.0  2.6  3.3  3.1       3.5   B    B   3.8  3.1  2.9
03Z: 2.8  2.9            3.5       3.6  2.9  3.2  4.1  3.3  3.0  3.2       3.3   B    B   3.8  3.1  2.9
04Z: 3.0                 3.5  2.8  3.7  2.7  3.5   A   2.5   A   3.5       3.6   B    B   3.1  3.1  2.7
05Z:      3.4  3.4  3.2  3.5       3.4  2.6  3.6  3.6  2.4   A   3.4       3.6   B        3.6  3.1  2.9
06Z:           3.4  3.3  3.4  3.2  3.4  2.8  3.2  3.2  2.5   A   3.5       3.2   A    B        3.2  3.0
07Z: 3.1  3.4  3.3       3.6       3.5  2.8  3.0  3.7   B   3.4  3.6       3.0  3.3   B        3.0  3.0
08Z: 3.1       3.4       3.6  3.1  3.2  3.0  3.1   A    B   3.9  3.4       3.1   A             3.1  3.0
09Z: 2.9  2.9  3.4  3.4  3.5  3.5  3.4  3.1  3.4  3.0   A   3.5  3.7       3.4   B             2.9  3.3
10Z: 3.1  3.1  3.4  3.3  3.1  3.3  2.8   B   3.2  3.1   A   3.1  3.9       3.3   B    B         B   3.5
11Z: 3.3       3.5  3.1            2.8   A   3.3  3.0  2.6   A   3.2       3.3  3.5  3.5        B   2.9
12Z: 3.4  3.4  3.3  3.2  3.3       2.9  3.4  3.7  2.9  3.2   A   3.6       3.7  3.3            3.1  3.2
13Z: 3.3  3.2       3.3  3.0            3.4  3.0  3.1  3.3  3.5  3.3       3.0  3.3            3.4  3.0
14Z: 3.3            3.1  2.9            3.3  3.0  3.5  3.2  2.5  3.3   F   3.1  3.4            3.6  3.2
15Z: 3.2       3.0  2.7  3.0  3.1       3.5  3.2  3.7  3.4  2.7  3.0   F   3.2  3.4  3.4       3.6  3.0
16Z: 3.1  3.2  3.0       2.9            3.4  3.1  3.5  3.1  2.6  3.3  3.4  3.1  3.4  3.3       4.3
17Z: 2.8                 2.7                 3.4                 3.4       3.4
18Z: 2.7  2.8                      2.8                           3.2                           3.4
19Z:                                    3.4       3.4  3.4       3.3  3.3       3.5  3.3       3.4
20Z:                                    3.4       3.4  2.9       3.2  3.2       3.1  3.4       3.6
21Z:                                    3.4       3.4  2.7       3.2  3.2       3.1  3.4       3.3
22Z:                                    3.5       3.4  3.3       3.4  3.3        A   3.8       4.2  3.2
23Z:                                    3.2       3.4   B        3.7             B             3.5  3.2
=========================================
Estimated Average Global M(3000)F2:  3.23.


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

     MUR  ASH  SVE  SAL  TOM  DIX  MAG
     ---  ---  ---  ---  ---  ---  ---
00Z: 1.5  1.6  1.0  1.0  1.0       1.9
01Z: 1.3  1.4            1.2  1.6  2.3
02Z: 1.0  1.4  1.5       1.0       2.3
03Z: 1.0  1.4  1.0       1.0  1.2  2.3
04Z: 1.2       1.0       1.0  1.2  2.0
05Z:      1.4  1.0  2.8  1.0       1.1
06Z:           1.0  3.5  1.0  2.1  1.0
07Z: 2.2  1.5  1.0       1.0       1.0
08Z: 2.9       1.0       1.9  1.6  1.1
09Z: 1.3  1.5  1.0  1.6  1.0  1.2  1.0
10Z: 1.5  1.5  1.0  1.0  1.0  1.0  1.0
11Z: 1.1       1.0  1.0            1.0
12Z: 1.0  1.6  1.8  1.5  1.0       1.0
13Z: 1.0  1.7  1.8  1.0  1.0  1.0  1.0
14Z: 1.0  1.5  1.8  1.0  1.0       1.0
15Z: 1.2  1.5  1.7  1.0  1.0  1.4  1.0
16Z: 1.0  1.5  1.9       1.0  1.0  1.0
17Z: 1.0                 1.0       1.0
18Z: 2.0  1.7  1.8            1.0  1.0
19Z:
20Z:
21Z:
22Z:
23Z:


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

     MUR  ASH  SVE  SAL  TOM  DIX  MAG
     ---  ---  ---  ---  ---  ---  ---
00Z: 4.5                           2.1
01Z: 4.1  2.1                 3.4
02Z: 3.1                 2.7
03Z:           2.8       2.1  1.8
04Z:           2.8            2.0
05Z:      3.2  2.3                 1.9
06Z:           2.6                 2.2
07Z:      3.4  4.5                 2.1
08Z:           3.2       2.6  2.4  2.0
09Z:      3.8  3.0       3.3  2.0  2.2
10Z:      3.4       2.4  3.3       1.6
11Z:           2.2
12Z:      4.0                      2.1
13Z:      4.2                 2.6
14Z:      5.2                      2.7
15Z:      3.6                 3.0  2.3
16Z:      2.2                 6.2  1.2
17Z: 1.5                           2.4
18Z:                          5.0  2.0
19Z:
20Z:
21Z:
22Z:
23Z:


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

      MUR  ASH  SVE  SAL  TOM  DIX  MAG  WLP  MAU  VBG  GOO  EIE  TAO  CHU  KEA  ARG  BER  NIC  DYS  LEA
     ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----
00Z:       3.6  2.0  1.9  2.4       4.1  3.5 13.6  6.9  4.9  4.2  9.5      13.6   B    A   3.0  4.6  6.5
01Z:       3.1                      4.5  3.5 14.0  4.9  3.1  4.1  8.2      14.0   B    B   3.5   A   8.0
02Z:       3.3  2.0       3.8       5.9  2.9  9.2  4.8  2.5  3.0  9.0       9.2   B    B   2.6  2.8  8.1
03Z:  1.6  3.4  2.0       5.0  1.9  6.4  2.8  7.4  5.6  2.2  2.2 12.4       7.4   B    B   2.2  3.3  8.7
04Z:  2.0       3.9       6.4  2.1  6.7  2.7  7.6   A   2.8   A  14.8       7.6   B    B   2.8  3.6  9.6
05Z:       7.5  5.0  4.0  6.8       5.9  2.7  5.5  2.7  2.7   A  16.5       5.5   B        6.1  3.4 10.5
06Z:            5.6  4.8  7.6  3.6  4.8  2.8  4.1  4.5  4.6   A  15.0       4.1   A    B        3.8 10.7
07Z:  3.0 11.0  6.4       8.0       4.2  2.8  4.4  4.1   B   2.6 15.0       4.4  2.4   B        3.3  9.9
08Z:  3.8       7.0       7.2  3.8  3.1  2.5  4.0   A    B   4.1 13.2       4.0   A             3.7  9.2
09Z:  4.4  7.2  7.3  5.2  6.5  3.0  2.0  2.3  3.4  2.8   A   3.9 13.3       3.4   B             2.8  8.2
10Z:  5.0  8.0  6.9  4.6  5.3  2.4  1.9   B   2.9  3.1   A   4.1 88.2       2.9   B    B         B   3.1
11Z:  4.7       6.0  3.8            1.9   A   2.8  3.2  4.9   A   5.8       2.8  3.8  4.8        B   8.9
12Z:  4.3  6.4  5.8  3.1 13.3       1.9  5.0  3.1  3.1  4.3   A   5.6       3.1  4.7            2.3  8.3
13Z:  3.8  5.0  3.6  2.5  2.8            6.2  2.5  3.1  5.0  3.9  6.5       2.5  5.3            4.4  8.3
14Z:  3.4       3.3       2.0            7.8  2.4  3.6  5.5  2.4  5.7   F   2.4  6.5            6.7  6.1
15Z:  2.7       2.5  1.7  2.1  4.1       8.6  2.3  6.2  5.9  2.1  5.6   F   2.3  6.0  7.3       8.4  8.7
16Z:  2.2  3.3  2.3       2.2            8.7  2.5  7.0  5.8  2.1  4.4  5.4  2.5  5.9  8.7       6.1
17Z:  2.2                 2.3                 5.0                 5.3       5.0
18Z:  2.4  2.8  2.0            3.0  2.4                          94.5                           8.3
19Z:                                     7.5       8.6  5.6      94.1  6.2       5.4  6.7       8.9
20Z:                                     6.2       9.0  4.7       3.9  6.7       4.0  6.2       8.2
21Z:                                     7.1       8.0  3.3       3.8  7.6       3.1  4.7       7.9
22Z:                                     5.0       8.5  2.4       3.1  8.1        A   4.4       5.3  6.8
23Z:                                     3.8       7.3   B        5.9             B             6.9  6.3
=========================================
Estimated Average Global foF2:  6.09 MHz.


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

      MUR  ASH  SVE  SAL  TOM  DIX  MAG  WLP  MAU  VBG  GOO  EIE  TAO  CHU  KEA  ARG  BER  NIC  DYS  LEA
     ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----
00Z:      11.2  5.4  5.5  7.0      13.9 10.8 42.8 20.7 10.8 12.6 35.2      43.5   B    A   9.3 15.2 15.6
01Z:      10.5                     15.8  8.1 50.4 17.1  7.4 12.7 27.9      50.4   B    B  11.9   A  24.0
02Z:      10.6  6.0      11.8      20.6  8.1 32.2 19.2  6.5  9.9 27.9      32.2   B    B   9.9  8.7 23.5
03Z:  4.5  9.9           17.5      23.0  8.1 24.1 23.0  7.3  6.6 39.7      24.4   B    B   8.4 10.2 25.2
04Z:  6.0                22.4  5.9 24.8  7.3 27.0   A   7.0   A  51.8      27.4   B    B   8.7 11.2 25.9
05Z:      25.5 17.0 12.8 23.8      20.1  7.0 19.8  9.7  6.5   A  56.1      19.8   B       22.0 10.5 30.5
06Z:           19.0 15.8 25.8 11.5 16.3  7.8 12.9 14.4 11.5   A  52.5      13.1   A    B       12.2 32.1
07Z:  9.3 37.4 21.1      28.8      14.7  7.8 13.2 15.2   B   8.8 54.0      13.2  7.9   B        9.9 29.7
08Z: 11.8      23.8      25.9 11.8  9.9  7.5 12.4   A    B  16.0 44.9      12.4   A            11.5 27.6
09Z: 12.8 20.9 24.8 17.7 22.8 10.5  6.8  7.1 11.6  8.4   A  13.7 49.2      11.6   B             8.1 27.1
10Z: 15.5 24.8 23.5 15.2 16.4  7.9  5.3   B   9.4  9.6   A  12.7 344.0       9.6   B    B         B  10.8
11Z: 15.5      21.0 11.8            5.3   A   9.2  9.6 12.7   A  18.6       9.2 13.3 16.8        B  25.8
12Z: 14.6 21.8 19.1  9.9 43.9       5.5 17.0 11.5  9.0 13.8   A  20.2      11.5 15.5            7.1 26.6
13Z: 12.5 16.0       8.2  8.4           21.1  7.5  9.6 16.5 13.7 21.4       7.5 17.5           15.0 24.9
14Z: 11.2                 5.8           25.7  7.3 12.6 17.6  6.0 18.8   F   7.4 22.1           24.1 19.5
15Z:  8.6       7.5  4.6  6.3 12.7      30.1  7.2 22.9 20.1  5.7 16.8   F   7.4 20.4 24.8      30.2 26.1
16Z:  6.8 10.6  6.9       6.4           29.6  7.8 24.5 18.0  5.5 14.5 18.4  7.8 20.1 28.7      26.2
17Z:  6.2                 6.2                17.0                18.0      17.0
18Z:  6.5  7.8                      6.7                          302.4                          28.2
19Z:                                    25.5      29.2 19.0      310.5 20.5      18.9 22.1      30.3
20Z:                                    21.1      30.6 13.6      12.5 21.4      12.4 21.1      29.5
21Z:                                    24.1      27.2  8.9      12.2 24.3       9.6 16.0      26.1
22Z:                                    17.5      28.9  7.9      10.5 26.7        A  16.7      22.3 21.8
23Z:                                    12.2      24.8   B       21.8             B            24.1 20.2
===============================================
Estimated Average Global MUF(3000)F2: 19.67 MHz.


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

      TAO  ANC  CNV  PAL  BOU  SHE  OSA
     ---- ---- ---- ---- ---- ---- ----
00Z:  380  230  120  510  110
01Z:  420  210   95  400   73
02Z:  570  200   81  230   56
03Z:  840  170   82  160   41
04Z:  820  140   83        37
05Z:       140   84
06Z:  770  130   86        37
07Z:  680  130   92        38
08Z:  480  130   91        37
09Z:  330  130   96        34
10Z:       130   96        29
11Z:  150  120   91        26
12Z:  140  120   99        25
13Z:  150  120  160        22
14Z:       120  190        35
15Z:       120  200        77
16Z:       130  240   40
17Z:       130        74  140
18Z:                 130  180
19Z:  110  150  220  220  200
20Z:  100  190  230  310
21Z:   97  200  210  360  210
22Z:  130  240  190  430  220
23Z:  190  250  170  500  180


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)
TOM = Tomsk                      USSR                (N56E085)
DIX = Dixon                      USSR                (N74E081)
MAG = Magadan                    USSR                (N60E151)
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)
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.


