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From: oler@rho.uleth.ca (Cary Oler)
Message-Id: <9312120402.AA04332@rho.uleth.ca>
Subject: Daily Summary of Ionospheric Data for 11 December
To: solar-daily@lut.fi
Date: Sat, 11 Dec 93 21:02:22 MST
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Reply-To: SOLAR-DAILY Distribution List <solar-daily@lut.fi>
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Status: RO

                    ---------------------------------------
                    DAILY IONOSPHERIC SUMMARY FOR 11 DEC 93
                    ---------------------------------------


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

     WLP  MUR  ASH  SVE  SAL  TOM  MAG  VBG  GOO  EIE  TAO  CHU  ARG  BER  NIC  DYS
     ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---
00Z: 3.4                                3.5  2.5  3.2  3.5        A    B   3.3  3.5
01Z: 3.0                                3.3  3.0  3.1  3.6        A    B   3.6   B
02Z: 2.8                                3.2  2.9  3.1  3.4        B    B    C   3.4
03Z: 3.1                                3.3  2.6  3.2  3.3        B    B   3.3   A
04Z: 2.7                                4.1  2.7  3.1  3.1       2.8   A   3.3  2.9
05Z: 2.8                                 A   2.9  2.9  3.3       2.8   B   3.5  2.8
06Z: 2.9                                3.3  2.7  3.9  3.3       2.9   B        3.2
07Z: 2.8                                3.0  2.6  3.6  3.4       3.0   B        3.0
08Z: 2.8                                2.9   B   3.8  3.3       3.1   B        2.9
09Z: 2.7                                2.9   B    A   3.5       3.0   B        3.1
10Z: 2.7                                2.8   A    A   3.6       3.2   B        2.9
11Z: 3.1                                2.8  2.7   A   3.7       3.4   B         B
12Z: 3.4                      3.3       2.8       4.1  3.0       3.5            3.0
13Z: 3.4  3.3  3.3  3.4  3.3  3.5  3.0  3.1  3.7  3.8  3.2       3.5  3.6       3.4
14Z: 3.5  2.9  3.9  3.3  3.1  3.4  3.0  3.1  3.3   A   3.3   R   3.3  3.5       3.5
15Z:           3.3  3.2  3.3  2.8  3.0                 2.9
16Z:           3.0                 2.8                 3.0
17Z:           2.9                 2.9                 3.3
18Z:                                                   3.6
19Z:                                                   3.7
20Z: 3.3                                     3.2  3.0  3.2       3.3            3.6
21Z: 2.8                                     3.2  3.2  2.5  3.4  3.0            3.5
22Z:  A                                      2.9  3.2  2.8   F   3.0            3.3
23Z: 2.9                                     2.9  3.2  3.1       3.1            3.5
=========================================
Estimated Average Global M(3000)F2:  3.18.


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

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


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

     MUR  SAL  DIX  MAG
     ---  ---  ---  ---
00Z:
01Z:
02Z:
03Z:
04Z:
05Z:
06Z:
07Z:
08Z:
09Z:
10Z:
11Z:
12Z:
13Z:           2.8
14Z:           6.2  1.8
15Z:           3.2  2.1
16Z: 2.8       5.4
17Z: 3.2       5.0
18Z: 4.6  4.7
19Z:
20Z:
21Z:
22Z:
23Z:


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

      WLP  MUR  ASH  SVE  SAL  TOM  MAG  VBG  GOO  EIE  TAO  CHU  ARG  BER  NIC  DYS
     ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----
00Z:  3.8                                7.0  2.3  5.8  7.0        A    B   3.4  4.5
01Z:  3.2                                4.6  3.0  4.8  8.5        A    B   3.6   B
02Z:  3.1                                3.8  4.0  3.9  9.6        B    B    C   3.1
03Z:  3.1                                3.0  4.2  3.1  9.3        B    B   2.6   A
04Z:  3.4                                2.5  3.4  2.6 10.3       2.1   A   2.9  2.9
05Z:  3.9                                 A   4.0  1.9 13.4       2.8   B   5.0  3.4
06Z:  4.1                                3.5  3.2  3.7 17.0       3.3   B        3.5
07Z:  4.0                                3.2  2.8  3.8 16.5       3.0   B        3.3
08Z:  3.7                                3.0   B   4.4 15.0       3.1   B        3.3
09Z:  3.9                                3.1   B    A  12.0       2.8   B        3.0
10Z:  4.0                                3.4   A    A  10.6       3.2   B        3.6
11Z:  4.3                                3.4  3.3   A   7.0       4.5   B         B
12Z:  5.7                     13.5       3.4       3.8  6.4       5.6            3.4
13Z:  6.2  3.8  5.5 14.1  2.4  2.8  2.2  3.4  5.8  3.5  6.5       6.8  6.8       4.6
14Z:  7.3  2.0  4.0 12.8  1.9  2.2  2.3  3.6  6.8   A   6.0   R   6.7  7.1       6.0
15Z:            3.5  2.2  1.4  1.8  2.2                 4.7
16Z:            3.3  2.0            2.1                 4.4
17Z:            2.6  1.8            2.1                 4.6
18Z:                                                    5.0
19Z:                                                    4.3
20Z:  7.5                                     5.8  4.4  2.2       5.2            7.9
21Z:  6.8                                     5.1  4.8  2.5  6.2  4.4            7.8
22Z:   A                                      4.2  5.3  2.2   F   4.1            6.8
23Z:  4.0                                     3.0  5.5  6.0       3.7            6.7
=========================================
Estimated Average Global foF2:  4.79 MHz.


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

      WLP  MUR  ASH  SVE  SAL  TOM  MAG  VBG  GOO  EIE  TAO  CHU  ARG  BER  NIC  DYS
     ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----
00Z: 12.9                               24.5  5.8 18.6 24.5        A    B  11.2 15.8
01Z:  9.6                               15.2  9.0 14.9 30.6        A    B  13.0   B
02Z:  8.7                               12.2 11.6 12.1 32.6        B    B    C  10.5
03Z:  9.6                                9.9 10.9  9.9 30.7        B    B   8.6   A
04Z:  9.2                               10.2  9.2  8.1 31.9       5.9   A   9.6  8.4
05Z: 10.9                                 A  11.6  5.5 44.2       7.8   B  17.5  9.5
06Z: 11.9                               11.6  8.6 14.4 56.1       9.6   B       11.2
07Z: 11.2                                9.6  7.3 13.7 56.1       9.0   B        9.9
08Z: 10.4                                8.7   B  16.7 49.5       9.6   B        9.6
09Z: 10.5                                9.0   B    A  42.0       8.4   B        9.3
10Z: 10.8                                9.5   A    A  38.2      10.2   B       10.4
11Z: 13.3                                9.5  8.9   A  25.9      15.3   B         B
12Z: 19.4                     44.5       9.5      15.6 19.2      19.6           10.2
13Z: 21.1 12.5 18.1 47.9  7.9  9.8  6.6 10.5 21.5 13.3 20.8      23.8 24.5      15.6
14Z: 25.6  5.8 15.6 42.2  5.9  7.5  6.9 11.2 22.4   A  19.8   R  22.1 24.9      21.0
15Z:           11.6  7.0  4.6  5.0  6.6                13.6
16Z:            9.9                 5.9                13.2
17Z:            7.5                 6.1                15.2
18Z:                                                   18.0
19Z:                                                   15.9
20Z: 24.8                                    18.6 13.2  7.0      17.2           28.4
21Z: 19.0                                    16.3 15.4  6.2 21.1 13.2           27.3
22Z:   A                                     12.2 17.0  6.2   F  12.3           22.4
23Z: 11.6                                     8.7 17.6 18.6      11.5           23.4
===============================================
Estimated Average Global MUF(3000)F2: 15.20 MHz.


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

      TAO  ANC  CNV  PAL  BOU  SHE  OSA
     ---- ---- ---- ---- ---- ---- ----
00Z:  260  150  110  170  130
01Z:  330  130   89  470   73
02Z:  450        85  250   66
03Z:  830   38   88        43
04Z:  880   26   97        38
05Z:  770   21  100        38
06Z:  700   16  100        40
07Z:  670   21  100        37
08Z:  620   16  100        34
09Z:  410   15  100        33
10Z:  300   14  110        36
11Z:  230   14  110        38
12Z:  200   14  110        37
13Z:  200   15  160        36
14Z:  200   14             42
15Z:  180
16Z:  190
17Z:  200
18Z:  180
19Z:  130       240  250  190
20Z:   98       220  320  200
21Z:   91   35  220  310  170
22Z:  130   73  190  300  150
23Z:  220   99  160  320  160


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

WLP = Wallops Island VA          USA                 (N37W075)
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)
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)
ARG = Argentia                   Canada              (N48W053)
BER = Bermuda                    Bermuda             (N32W064)
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.


