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From: oler@rho.uleth.ca (Cary Oler)
Message-Id: <9312280547.AA17586@rho.uleth.ca>
Subject: Daily Summary of Ionospheric Data for 27 December
To: solar-daily@lut.fi
Date: Mon, 27 Dec 93 22:47:00 MST
X-Mailer: ELM [version 2.3 PL11]
Reply-To: SOLAR-DAILY Distribution List <solar-daily@lut.fi>
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                    ---------------------------------------
                    DAILY IONOSPHERIC SUMMARY FOR 27 DEC 93
                    ---------------------------------------


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

     MUR  ASH  SVE  DIX  MAG  SAL  TOM  JUL  WLP  MAU  VBG  GOO  EIE  TAO  CHU  KEA  ARG  NIC  DYS  LEA
     ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---
00Z: 3.1  2.9  2.8  3.1  3.8            2.9  3.2  3.2  3.3  2.5  3.2  3.3       3.2   B   2.9  3.5  2.8
01Z: 3.0                 3.8  3.2  3.1  2.8  2.9  2.9  3.4  3.2  3.1  3.6       2.9   B   3.1  3.2  3.0
02Z:      3.2            3.8  3.1  3.0  2.9  3.0  3.7  4.3  2.9  3.0  3.7       3.7   B   4.0   B   2.9
03Z: 3.1  3.4  3.3            3.3       2.9  2.9  3.7   A   2.9  2.9  3.4       3.7   B   3.3   B   2.9
04Z:      3.3                 3.3  3.5  3.4  3.1  3.4  3.8  3.0  2.8  3.2       3.4   B   3.3  3.1  2.9
05Z: 3.1  3.1  3.4  3.1            3.4  3.2  2.7  3.1  3.3  3.0   B   3.4       3.1   B   3.7  3.0  3.0
06Z:      3.0  3.3  3.1  3.5  3.4  3.5  3.3  2.5  2.5  2.6  2.9   A   3.3       2.6   A   3.8  3.0   A
07Z: 3.1  2.8  3.2  3.3  3.6  3.3  3.4  3.5  2.8  3.2  2.6  3.0  3.2  3.4       3.3   A   3.6  2.9  3.0
08Z: 3.2  3.2  3.3  3.1  3.1       3.4  3.7  2.5  3.4  3.2  3.2  3.1  3.4       3.4   A   3.4  3.0  2.9
09Z: 3.3  3.1  3.4  3.1  3.0       3.5       3.1  3.4  3.1  2.8  3.5  3.6       3.4   B   3.3  3.4  3.3
10Z: 3.3  2.9  3.4  3.3  3.2  3.4  3.4       2.9  3.1  3.0  2.9  3.6  3.2       3.1   B    C   3.4  3.9
11Z: 3.5  3.0  3.4       3.2  3.4  3.3       3.2  3.3  3.0  2.5   A   3.3       3.3   A   3.5  3.0  3.9
12Z: 3.6  3.1  3.4  3.1  2.8  3.3  3.6       3.4  3.5  2.9  3.6   A   3.5       3.5   A    C   3.1  2.9
13Z: 3.2                 2.8  3.2  3.2       3.6  3.5  4.1  3.3   A   3.6       3.5  3.1  3.6  3.1   A
14Z:      3.1            2.9  2.7  3.1       3.1  3.0  2.9  3.2   A   3.0   R   3.1  3.4  3.6  3.5  3.6
15Z:      3.3            2.8  2.8  3.1       3.4  3.0  3.6  3.4   A   2.9   R   3.0  4.0  3.4  3.6  3.5
16Z:      3.4            2.8       2.7       3.4  3.2  3.5  3.4  2.5  3.0   B   3.2  3.4  3.4  3.4  2.3
17Z:      3.2  3.1       2.9  2.9  2.8       3.3  3.0  3.6  3.3  2.8  3.4   F   3.1  3.5       3.2  2.6
18Z:      3.2  2.8       3.0                 3.3       3.4  3.3  3.1  3.2   F        3.3       3.4  3.4
19Z:                                         3.4       3.4  3.4  3.1  3.8  3.3       3.9       3.5  3.6
20Z:                                         3.4       3.5  3.1  3.3   I    C        3.7       3.4  3.0
21Z:                                         3.3       3.3  3.1  3.2  3.0   C        3.5       3.4  3.1
22Z:                                         3.3       3.3  3.1  3.2  3.2   F        3.1       3.4  2.8
23Z:                                         3.2       3.3  2.9  3.4  3.5             B        3.5  3.0
=========================================
Estimated Average Global M(3000)F2:  3.22.


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

     MUR  ASH  SVE  DIX  MAG  SAL  TOM
     ---  ---  ---  ---  ---  ---  ---
00Z: 1.7  2.0  1.6  1.0  1.0
01Z: 2.3       1.6  2.8  1.0  1.0  1.0
02Z: 1.0  2.0            1.0  1.0  1.0
03Z: 1.5  2.0  1.5            1.0
04Z:      2.0  1.0  1.7       1.0  1.0
05Z: 1.0  2.0  1.8  1.2            1.0
06Z:      2.0  1.0  2.0  1.0  1.0  1.7
07Z: 1.3  2.0  1.8  1.6  1.0  1.0  1.7
08Z: 1.3  2.0  1.8  2.5  1.0       1.4
09Z: 1.5  2.0  2.3  1.7  1.0       1.2
10Z: 1.9  2.0  2.3  1.9  1.0  1.8  1.0
11Z: 1.0  2.0  2.2  1.4  1.0  1.0  1.0
12Z: 1.0  2.0  1.6  1.0  1.0  1.0  1.0
13Z: 1.0       1.6  1.5  1.0  1.0  1.0
14Z: 1.6  2.0  1.6  1.0  1.0  1.0  1.0
15Z:      2.0       1.5  1.0  1.0  1.0
16Z:      2.0       1.0  1.0       1.0
17Z: 1.0  2.0  1.7       1.0  1.5  1.0
18Z: 1.0  2.0  1.6       1.0  1.0
19Z:
20Z:
21Z:
22Z:
23Z:


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

     MUR  ASH  DIX  MAG  SAL  TOM
     ---  ---  ---  ---  ---  ---
00Z: 3.1       4.0  2.1
01Z: 4.0       3.6  2.6
02Z: 3.7            3.2       3.5
03Z: 3.0
04Z:           2.0
05Z: 2.3       2.0            1.8
06Z:                2.4  1.6
07Z:                1.9  2.0
08Z:                1.9       2.3
09Z:           2.2  1.9       2.0
10Z:                2.2
11Z:           2.5  1.3
12Z:      3.0  2.0            7.2
13Z:           3.6            5.0
14Z:      2.6  5.0            3.3
15Z:      2.4  6.0
16Z:      2.4  6.0
17Z: 4.0
18Z: 4.0  2.4
19Z:
20Z:
21Z:
22Z:
23Z:


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

      MUR  ASH  SVE  DIX  MAG  SAL  TOM  JUL  WAR  POI  BOU  WLP  MAU  VBG  GOO  EIE  TAO  CHU  KEA  ARG  NIC  DYS  LEA
     ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----
00Z:  4.1  3.1  3.2  4.2  5.6            2.8  3.2  4.0       4.1 11.9  6.9  2.8  6.4  9.0      11.9   B   3.3  5.2  8.2
01Z:  4.3       3.3       7.1  2.9  3.2  3.0  3.4  4.0       3.4 11.4  4.7  2.8  5.0 11.0      11.4   B   3.6  3.1  9.3
02Z:       2.9            7.0  2.3  3.1  2.8  3.2  3.8       3.1  9.4  3.4  3.0  4.8  9.0       9.4   B   3.8   B   9.3
03Z:  4.0  2.6  2.5            2.0       3.0  3.6  3.9       3.2  6.4   A   3.1  3.6  8.9       6.4   B   2.5   B   9.7
04Z:       5.5  3.3  2.0       2.3  6.6  3.0  2.8  3.6       2.7  4.7  2.6  2.8  2.3 10.4       4.7   B   2.7  2.9  9.8
05Z:  2.3  6.5  5.6  2.6            6.2  2.2  2.1  3.2       2.5  3.3  2.9  2.4   B  13.4       3.3   B   5.2  3.3  9.3
06Z:       7.3  5.8  3.5  5.2  4.8  6.8  2.0  2.7  2.7       2.3  3.3  3.0  2.6   A  13.2       3.3   A   6.4  3.5   A
07Z:  2.8  8.0  7.0  4.2  3.1  5.2  9.8  3.4  5.2  3.2       2.6  5.1  3.3  2.6  3.7 11.5       5.1   A   6.6  3.7  9.8
08Z:  4.0  7.4  7.3  3.5  2.8       8.8  7.0  7.6            3.7  4.8  3.6  2.4  3.7 10.0       4.8   A   7.9  4.2  9.6
09Z:  5.0  6.5  7.5  2.7  2.0       6.6                      4.0  2.5  3.4  2.7  3.6 11.0       2.5   B   8.1  4.0  8.8
10Z:  6.3  6.8  6.5  2.4  1.9  5.6  5.6                      3.4  3.1  3.2  2.1  2.6  9.6       3.1   B    C   4.2  3.1
11Z:  4.8  7.6  5.5       1.9  4.3  5.7                      2.4  3.1  2.8  2.9   A   7.8       3.1   A   6.2  3.6  3.8
12Z:  3.8  7.0  5.0  2.2  1.9  2.8  3.6                      4.7  3.3  2.6  4.6   A   8.5       3.3   A    C   3.4  3.1
13Z:  3.3       3.8       2.5  1.9  2.1                      6.5  2.6  3.7  6.0   A   5.5       2.6  6.6  7.2  4.0   A
14Z:  1.7 14.0  2.8       2.8  1.8  2.3                  C   6.7  2.3  3.0  6.0   A   3.2   R   2.3  7.0  6.3  6.4  3.8
15Z:       4.4            3.2  1.2  2.4                 5.8  9.9  2.4  6.1  6.7   A   3.4   R   2.4  6.1  4.3  7.3  4.8
16Z:       3.8            3.2       2.6                      8.0  2.3  6.8  7.0  3.7  3.6   B   2.3  7.5  5.0  6.7  7.9
17Z:       2.8  2.2       3.2  3.0  3.1                      7.9  4.2  7.2  6.8  3.9  3.9  6.9  4.2  7.0       6.9  4.6
18Z:       2.8  2.8       3.5                                7.8       8.2  6.7  3.6  3.5   F        7.0       9.2  4.6
19Z:                                                         7.5       9.3  6.3  3.9  3.8  9.4       5.4       8.3  3.2
20Z:                                                         7.6       8.3  6.2  5.3   I    C        4.3       7.0  4.7
21Z:                                                         6.6       8.0  5.5  5.5  3.1   C        3.8       7.0  4.5
22Z:                                                         5.5       6.9  4.4  6.0  3.6  6.9       4.1       6.9  5.8
23Z:                                                         4.9       7.2  3.6  6.4  6.2             B        6.5  5.6
=========================================
Estimated Average Global foF2:  4.93 MHz.


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

      MUR  ASH  SVE  DIX  MAG  SAL  TOM  JUL  WLP  MAU  VBG  GOO  EIE  TAO  CHU  KEA  ARG  NIC  DYS  LEA
     ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----
00Z: 12.7  9.0  9.0 13.0 21.3            8.1 13.1 37.5 22.8  7.0 20.5 29.7      38.1   B   9.6 18.2 23.0
01Z: 12.9                27.0  9.3  9.9  8.4  9.9 33.1 16.0  9.0 15.5 39.6      33.1   B  11.2  9.9 27.9
02Z:       9.3           26.6  7.1  9.3  8.1  9.3 34.8 14.6  8.7 14.4 33.3      34.8   B  15.2   B  27.0
03Z: 12.4  8.8  8.2            6.6       8.7  9.3 23.7   A   9.0 10.4 30.3      23.7   B   8.2   B  28.1
04Z:      18.1                 7.6 23.1 10.2  8.4 16.0  9.9  8.4  6.4 33.3      16.0   B   8.9  9.0 28.4
05Z:  7.1 20.1 19.0  8.1           21.1  7.0  6.8 10.2  9.6  7.2   B  45.6      10.2   B  19.2  9.9 27.9
06Z:      21.9 19.1 10.8 18.2 16.3 23.8  6.6  5.8  8.4  7.8  7.5   A  43.6       8.6   A  24.3 10.5   A
07Z:  8.7 22.4 22.4 13.9 11.2 17.2 33.3 11.9  7.3 16.6  8.6  7.8 11.8 39.1      16.8   A  23.8 10.7 29.4
08Z: 12.8 23.7 24.1 10.8  8.7      29.9 25.9  9.2 16.3 11.5  7.7 11.5 34.0      16.3   A  26.9 12.6 27.8
09Z: 16.5 20.1 25.5  8.4  6.0      23.1      12.4  8.5 10.5  7.6 12.6 39.6       8.5   B  26.7 13.6 29.0
10Z: 20.8 19.7 22.1  7.9  6.1 19.0 19.0       9.9  9.6  9.6  6.1  9.4 30.7       9.6   B    C  14.3 12.1
11Z: 16.8 22.8 18.7       6.1 14.6 18.8       7.7 10.2  8.4  7.2   A  25.7      10.2   A  21.7 10.8 14.8
12Z: 13.7 21.7 17.0  6.8  5.3  9.2 13.0      16.0 11.4  7.5 16.6   A  29.8      11.6   A    C  10.5  9.0
13Z: 10.6                 7.0  6.1  6.7      23.4  9.0 15.2 19.8   A  19.8       9.1 20.5 25.9 12.4   A
14Z:      43.4            8.1  4.9  7.1      20.8  7.0  8.7 19.2   A   9.6   R   7.1 23.8 22.7 22.4 13.7
15Z:      14.5            9.0  3.4  7.4      33.7  7.2 22.0 22.8   A   9.9   R   7.2 24.4 14.6 26.3 16.8
16Z:      12.9            9.0       7.0      27.2  7.4 23.8 23.8  9.2 10.8   B   7.4 25.5 17.0 22.8 18.2
17Z:       9.0  6.8       9.3  8.7  8.7      26.1 12.8 25.9 22.4 10.9 13.3   F  13.0 24.5      22.1 12.0
18Z:       9.0  7.8      10.5                25.7      27.9 22.1 11.2 11.2   F       23.1      31.3 15.6
19Z:                                         25.5      31.6 21.4 12.1 14.4 31.0      21.1      29.1 11.5
20Z:                                         25.8      29.1 19.2 17.5   I    C       15.9      23.8 14.1
21Z:                                         21.8      26.4 17.0 17.6  9.3   C       13.3      23.8 13.9
22Z:                                         18.1      22.8 13.6 19.2 11.5   F       12.7      23.5 16.2
23Z:                                         15.7      23.8 10.4 21.8 21.7             B       22.8 16.8
===============================================
Estimated Average Global MUF(3000)F2: 15.88 MHz.


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

      BOU  TAO  ANC  CNV  PAL  SHE  OSA
     ---- ---- ---- ---- ---- ---- ----
00Z:  190  260  190  130  400
01Z:  120  300  120  100  370
02Z:   81  320   92   94  230
03Z:   75  460   58   95  130
04Z:   75  630   28  100   90
05Z:   76  650   20  110   71
06Z:   75  630   19  120   56
07Z:   75  500   19  120   76
08Z:   77  340   17  120   53
09Z:   78  240   19  130   36
10Z:   79  170   20  140   32
11Z:   80  150   19  140   35
12Z:   80        18  110   43
13Z:   79        18  160   41
14Z:       120   18  200   38
15Z:  130  120   18  240   39
16Z:  150  120   21  250   58
17Z:  200  120   29  270   70
18Z:  260  110   50  260  160
19Z:  260  100   86  250  220
20Z:        98  130  230  300
21Z:  230   97  150  220  320
22Z:  230  130  220  200  510
23Z:  210  240  210  170  770


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

MUR = Murmansk                   USSR                (N68E033)
ASH = Ashkhabad                  USSR                (N37E058)
SVE = Sverdlovsk                 USSR                (N56E061)
DIX = Dixon                      USSR                (N74E081)
MAG = Magadan                    USSR                (N60E151)
SAL = Salekhard                  USSR                (N66E066)
TOM = Tomsk                      USSR                (N56E085)
JUL = Juliusruh/Rugen            Germany             (N54E013)
WAR = Warsaw                     Poland              (N52W021)
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)
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.


