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From: oler@rho.uleth.ca (Cary Oler)
Message-Id: <9312130539.AA08472@rho.uleth.ca>
Subject: Daily Summary of Ionospheric Data for 12 December
To: solar-daily@lut.fi
Date: Sun, 12 Dec 93 22:38:59 MST
X-Mailer: ELM [version 2.3 PL11]
Reply-To: SOLAR-DAILY Distribution List <solar-daily@lut.fi>
X-Sequence: 1188
Status: RO

                    ---------------------------------------
                    DAILY IONOSPHERIC SUMMARY FOR 12 DEC 93
                    ---------------------------------------


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

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


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

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


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

     MUR  SAL  DIX  MAG  ASH  TOM  SVE
     ---  ---  ---  ---  ---  ---  ---
00Z:           4.0
01Z:           2.8
02Z:
03Z:           3.6  2.0       2.0
04Z: 2.0       3.0  2.9  2.4  2.7  3.0
05Z:                2.0  3.0  2.4
06Z:                1.8  3.3  3.1
07Z:      2.3  2.0  2.1       2.2  3.5
08Z:           2.0  2.0       2.5  2.6
09Z:      1.3  1.9  2.1  3.4  2.4
10Z:           3.2            2.8  2.4
11Z:           2.7  2.5  3.1  4.0  2.2
12Z:           2.1       2.8  4.0  3.0
13Z:           3.5  2.5  3.8       2.8
14Z: 2.0       4.9  2.5  3.2
15Z: 4.0  2.0  5.5  2.2  3.2
16Z: 4.0       3.7  2.3  2.2
17Z:           2.5  2.5  2.4
18Z: 3.0       4.0  2.5
19Z:
20Z:
21Z:
22Z:
23Z:


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

      MUR  SAL  DIX  MAG  ASH  TOM  SVE  WLP  VBG  GOO  EIE  TAO  CHU  KEA  ARG  NIC  DYS
     ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----
00Z:  2.6  2.3       6.5            2.8  4.1       2.6  5.0  9.5      10.3  2.9  3.3  5.1
01Z:       2.0       7.2                 3.7       2.6      11.5      11.7  2.4  3.8  4.1
02Z:  1.8            7.4                 3.6       2.3  3.4 12.4       9.4   B   2.9  3.2
03Z:       1.9       7.2       4.9       3.6       3.1  2.4 11.0       7.0  2.2  2.1  2.9
04Z:  2.8  2.6       6.4  6.9  6.4 13.7  3.3  2.6   B   2.1 10.8       5.0  2.3  3.1   B
05Z:  2.5  3.6       5.4  5.7  7.0       3.5  2.9  1.9   B  10.9       3.2   B   4.8  3.5
06Z:  1.8       3.2  4.4  7.2  6.9       3.8  3.7  2.4   B  10.1       3.2  3.5  5.7  3.5
07Z:  2.7  5.4  3.4  3.2  7.2  6.3  7.0  3.6  3.2  2.5  4.3 10.3       4.1  3.0  5.4  3.2
08Z:  3.7       3.7  2.0  6.7  7.0  6.5  3.7  2.9  2.9  4.9  8.0       4.7  2.6  6.6  2.9
09Z:  4.2  5.5  3.2  1.5  6.4  6.3  6.5  4.1  3.0  3.5   A   6.5       4.1  2.3  7.5  3.5
10Z:  5.6  5.5       1.5  6.8  5.2  6.8  3.4  3.2   B    A   5.5       2.7  2.4  7.8  3.6
11Z:  5.3  4.4       1.6  8.1  4.2  6.0  3.7  3.5   B   3.3  5.3       2.9  4.7  7.4  3.7
12Z:  4.5  3.8  3.7  1.8  7.2  4.1  5.6       3.4   B   3.3   I        3.6  6.2  8.2  3.4
13Z:  2.9  2.4       2.2  5.5  3.0  4.1       3.3   B   2.9  4.4       3.6  6.8  6.4  4.7
14Z:  1.9  1.6       2.5  2.5  2.4  3.0       3.8  5.6   A   3.6   F   2.5  8.2  5.8  6.6
15Z:                 2.6  3.4       2.5       5.8  7.5   A   2.7       1.9  7.8  3.4  6.9
16Z:                 2.4  3.2  2.0  2.1       7.7   A    A   3.0   B   2.0  7.5  2.9  7.2
17Z:                 2.3  3.0  2.3            6.9  7.6  3.1  3.4   F   4.4  7.1  3.4  7.2
18Z:  2.0  2.4       2.5  3.0       2.3       8.4  7.1  2.6  3.8   R        7.3  3.4  8.1
19Z:                                          8.5  6.7  3.7  4.5  6.1       6.8  2.6  8.0
20Z:                                          6.9  5.5  4.0  2.7  6.5        A   2.9  7.8
21Z:                                          7.4  4.9  5.3  2.5  6.3       3.8  3.3  6.8
22Z:                                          6.7  4.0  5.7  2.7  5.9        B   3.1  7.3
23Z:                                          6.7  3.0  6.2  6.1             A   3.2  6.5
=========================================
Estimated Average Global foF2:  4.66 MHz.


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

      MUR  SAL  DIX  MAG  ASH  TOM  SVE  WLP  VBG  GOO  EIE  TAO  CHU  KEA  ARG  NIC  DYS
     ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----
00Z:  7.5  7.1      24.1            7.8 13.5       7.8 16.5 32.3      31.9  9.0 10.6 17.3
01Z:       6.0      26.6                11.5       7.5      40.2      41.0  7.0 13.7 14.3
02Z:  5.2           26.6                10.4       6.0 10.9 44.6      34.8   B  11.9 10.6
03Z:       5.3      27.4      17.1      11.2       9.0  7.7 36.3      25.9  6.6  7.1 10.4
04Z:  8.7  7.5      22.4 22.8 23.7      10.2  8.3   B   6.9 34.6      19.5  6.4  9.9   B
05Z:  7.8 11.9      18.4 18.8 25.9      10.5  9.9  5.3   B  34.9      10.2   B  17.3 10.8
06Z:  5.4      10.6 14.5 23.0 22.8       9.9 10.0  6.5   B  34.3       9.0  9.8 22.2 11.6
07Z:  8.4 17.8 10.9 11.2 21.6 22.1      10.4  9.9  6.8 13.3 35.0      12.7  9.0 19.4 10.6
08Z: 12.2      11.5  6.8 22.1 24.5      10.7  9.3  6.4 16.7 28.8      16.4  7.3 22.4  9.3
09Z: 13.9 18.7 10.6  4.8 19.8 22.1      12.7  9.9  8.4   A  24.1      14.8  6.9 25.5 10.2
10Z: 19.0 18.1       4.2 21.1 12.0 21.8  9.5  9.6   B    A  19.2       7.8  7.2 27.3 10.8
11Z: 17.0 15.0       4.5 25.9 13.9 19.8 11.5 10.2   B   7.9 18.0       8.7 15.0 25.9 11.1
12Z: 15.3 12.5 11.8  5.0 23.8 13.9 17.9      10.5   B   7.6   I       12.6 21.7 31.2 10.5
13Z: 10.2  7.9       6.4 18.7 10.2 13.9       9.9   B   6.7 15.0      13.7 25.2 23.0 16.4
14Z:  5.9  5.0       7.5  8.2  8.2 10.5      12.2 24.1   A  12.6   F   9.8 28.7 22.0 24.4
15Z:                 8.3 10.5       8.2      20.3 25.5   A   8.1       4.9 27.3 12.2 25.5
16Z:                 7.2  9.6  5.6  6.9      25.4   A    A   8.1   B   5.8 26.2  9.3 24.5
17Z:                 6.7  8.4  6.7           24.1 26.6  7.4  9.5   F  14.5 24.9 11.9 24.5
18Z:  5.8  7.2       7.5  8.4       6.9      27.7 24.1  7.3 11.4   R       25.6 12.2 26.7
19Z:                                         28.9 22.1 12.2 15.8 20.1      23.1  8.3 30.4
20Z:                                         22.8 18.7 12.4 10.3 21.4        A   8.7 27.3
21Z:                                         25.2 16.2 17.5  7.5 20.2      12.2 10.2 23.1
22Z:                                         24.1 11.6 18.8  8.4 20.1        B   9.3 25.6
23Z:                                         23.4  9.0 20.5 22.6             A   9.0 22.8
===============================================
Estimated Average Global MUF(3000)F2: 15.06 MHz.


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

      TAO  ANC  CNV  PAL  BOU  SHE  OSA
     ---- ---- ---- ---- ---- ---- ----
00Z:  320  100  140  350  130
01Z:  400       100  370   74
02Z:  490   49   86  240   58
03Z:  600  8.3   90  140   43
04Z:  580   38   98   98   39
05Z:  440   24  110   66   39
06Z:  350   21  110   55   40
07Z:  280   18  100   78   40
08Z:  230   17  100   74   37
09Z:  180   19  100   53   38
10Z:  160   17  110   36   40
11Z:  150   16  110   33   42
12Z:  140   17  120   39   41
13Z:  120   15  160   41   40
14Z:  110   16  170   34   48
15Z:  110   17  200   30   81
16Z:  110   18  200   36  110
17Z:  110   20  220   66  150
18Z:  120   41  240  120  180
19Z:  110   79  240  190  210
20Z:   88  110  230  250
21Z:   85  140  210  280  160
22Z:  120  170  180  320  160
23Z:  200  190  160  370  150


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

MUR = Murmansk                   USSR                (N68E033)
SAL = Salekhard                  USSR                (N66E066)
DIX = Dixon                      USSR                (N74E081)
MAG = Magadan                    USSR                (N60E151)
ASH = Ashkhabad                  USSR                (N37E058)
TOM = Tomsk                      USSR                (N56E085)
SVE = Sverdlovsk                 USSR                (N56E061)
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)
CHU = Churchill                  Canada              (N58W094)
KEA = Keakawapu HI               USA                 (N20W156)
ARG = Argentia                   Canada              (N48W053)
NIC = Nicosia                    Cyprus              (N35E033)
DYS = Dyess AFB TX               USA                 (N32W099)
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.


