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From: Risto Kotalampi <rko>
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To: rko@cs.tut.fi
Subject: [oler@rho.uleth.ca: Daily Summary of Ionospheric Data for 08 December]
Status: RO

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From: oler@rho.uleth.ca (Cary Oler)
Subject: Daily Summary of Ionospheric Data for 08 December
To: solar-daily@lut.fi
Date: Wed, 8 Dec 93 20:57:37 MST
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                    ---------------------------------------
                    DAILY IONOSPHERIC SUMMARY FOR 08 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 : 0030Z,  Maximum Absorption: 8 dB
     End of Event  : 0300Z


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

     MUR  ASH  SVE  TOM  DIX  MAG  JUL  UPS  BOU  WLP  MAU  GOO  EIE  TAO  KEA  ARG  BER  NIC  DYS
     ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---
00Z:      3.0       2.7       3.4  2.8       3.3  2.9  3.0   B    B   3.5  3.1   B    B   2.9  3.3
01Z:      3.2  2.9  3.0       3.4  2.6       3.5  2.6  3.2   A   2.6  3.8  3.2  3.0   B   3.6  3.6
02Z:      3.1  2.8  2.8       3.3   E        3.4  2.5  3.2   A   2.7  3.1  3.2  2.9   B   3.3  3.2
03Z:      3.1  3.1  3.2            2.6  3.0  3.1  2.5  3.0   A   3.8  3.1  3.0  2.8   B   3.6  2.8
04Z:                3.2            2.6       3.2  2.8  3.7   A   4.2  3.4  3.7  2.7   B   3.8  3.2
05Z: 3.3  3.3  2.9  3.3       3.4  3.1       3.2  2.6  3.2   A    A        3.3  3.1   B   4.3  3.0
06Z:           3.1  3.4       3.0   E        3.2  3.5  3.0   B   3.2  3.1  3.0  3.3            3.2
07Z:      3.1  3.0  3.1       3.0  2.9       3.1  2.8  3.0   B    A   3.2  3.0   B   2.9       3.2
08Z:      2.9  3.1  3.2       2.7  3.0       3.2   B   2.3   B   3.9  3.1  2.4  2.8   B        2.9
09Z: 2.9  2.9  3.1  3.3  3.5  2.9            3.1  2.7  3.0            3.6  3.0        B        3.0
10Z: 2.9  3.0  3.2  3.3  2.9  2.8            3.0   B   3.2   B             3.3   B    B        2.7
11Z:      3.1  3.3  3.0       2.8            3.4  2.7  3.0   B    B   2.8  3.1  2.8  3.6       3.1
12Z: 2.9  3.2  3.2  3.2                      3.6  2.7  2.9   B        3.3  2.9  3.2  3.1       3.0
13Z:           3.1  3.4                      2.9       2.9            3.2  2.9
14Z:           2.9  3.0       2.8                 3.4  3.5   B    B   3.1  3.6  3.2  3.5       3.5
15Z:      3.2       2.8                           3.2  3.2  2.9   A   3.8  3.3  3.3            3.4
16Z:      2.9       2.4                           3.2  2.8   B    B   2.6  2.8  3.0  3.2       3.1
17Z:      2.7  2.5  2.7       2.6                 3.2  3.0   B    B   3.0  3.1  3.2            3.1
18Z:      2.6                                     3.2       2.9   B   3.0       3.1  3.6       3.5
19Z:                                              3.2        B    B   3.0       3.2  3.7       3.5
20Z:                                              3.4        B    A   2.8       3.3  3.7       4.2
21Z:                                              3.5        A   2.8  2.9       3.1  3.8       3.6
22Z:                                              3.1        A   3.0  3.0       2.7  3.5       3.7
23Z:                                              3.0       4.0  3.0  3.3        B   3.9       3.5
=========================================
Estimated Average Global M(3000)F2:  3.12.


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

     MUR  ASH  SVE  SAL  TOM  DIX  MAG
     ---  ---  ---  ---  ---  ---  ---
00Z:      1.5  1.0       1.0       1.0
01Z:      1.3  1.6       1.0       1.5
02Z:      1.5  1.0       1.4       1.5
03Z:      1.8  1.0       1.0
04Z:                     1.0
05Z: 1.3  1.3  1.0       1.0       1.1
06Z:           1.0       2.0       1.0
07Z:      1.8  1.0       1.7  2.5  1.0
08Z:      1.9  1.0       1.4  1.0  1.1
09Z: 3.0  1.8  1.0       1.6  1.1  1.1
10Z: 1.3  1.9  1.0       1.3  1.0  1.0
11Z:      2.0  1.0  1.5  1.0       1.0
12Z: 1.0  2.0  1.8  1.5  1.0  1.1  1.0
13Z: 1.0       1.6  1.5  1.0  1.0  1.0
14Z:      1.6  1.8       1.4       1.0
15Z: 1.0  1.6            1.3  1.6  1.0
16Z:      1.6            1.0       1.0
17Z: 1.2  1.6  1.6       1.0  1.6  1.1
18Z: 1.0  1.6  1.9  2.0            1.0
19Z:
20Z:
21Z:
22Z:
23Z:


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

     MUR  ASH  SVE  SAL  TOM  DIX  MAG
     ---  ---  ---  ---  ---  ---  ---
00Z:           3.0       2.8
01Z:                     2.0
02Z:           3.0
03Z:           3.0       1.6
04Z:                     2.1
05Z:      3.0  2.2       1.5
06Z:           3.2       2.3
07Z:      3.2  3.5       2.7  4.0
08Z:      3.3  3.3       2.9  3.2
09Z:      3.1  3.0            2.1  1.1
10Z:      3.6  2.4                 1.1
11Z:      3.0  2.2  3.6            1.2
12Z: 2.7  2.5       2.1       4.8  1.4
13Z: 3.3            2.3       5.1
14Z:      5.2                      2.2
15Z: 7.0  2.1                 5.2  1.4
16Z:      3.2            2.8       1.8
17Z: 4.1  2.2            3.0  4.0  2.3
18Z: 7.5  2.5       5.6            1.9
19Z:
20Z:
21Z:
22Z:
23Z:


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

      MUR  ASH  SVE  TOM  DIX  MAG  JUL  UPS  POI  WAR  BOU  WLP  MAU  OTI  GOO  EIE  TAO  KEA  ARG  BER  NIC  DYS
     ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----
00Z:       3.4       1.9       5.5  2.9       3.2  3.0  7.9  5.1 14.3        B    B  11.2 14.3   B    B   3.7  7.7
01Z:       3.3  2.4  2.2       6.0  2.4       3.4   C   7.2  3.7 14.9        A   6.7  9.2 14.9  2.9   B   4.4  7.3
02Z:       2.9  2.2  3.3       6.3  2.6       3.4   C   4.8  3.6 12.3        A   4.9  7.5 12.3  3.1   B   3.2  3.7
03Z:       4.8  2.1  5.3            2.6  3.2  3.7   A   4.4  3.9 11.1        A   4.6 11.6 11.1  4.0   B   4.2  4.2
04Z:                 6.4            2.6       3.2   C   4.7  2.8 11.7        A   4.6 11.8 11.7  3.4   B   2.9  4.8
05Z:  2.3  5.6  4.2  7.5       2.2  3.1       2.5   C   4.7  2.3  7.4        A    A        7.4  2.9   B   4.3  4.9
06Z:            5.2  8.2       5.7   F        2.5   C   4.8  2.0  7.2        B   3.9  9.0  7.2  2.6            6.0
07Z:       8.7  5.6  9.5       4.5  3.4       3.1  4.3  3.8  2.3  6.3        B    A  11.2  6.3   B   2.5       3.6
08Z:       8.4  6.4  8.9  2.9  3.2  4.4            5.4  1.9   B   5.4        B   3.8 11.4  5.4  2.2   B        3.3
09Z:  4.0  9.2  6.2  7.8  4.0  2.3                      1.8  2.5  6.0                12.6  6.0        B        4.1
10Z:  5.4  8.6  6.1  7.2  2.2  2.3                      1.9   B   5.4        B             5.4   B    B        3.9
11Z:       9.6  5.6  4.8       2.4                      1.8  2.4  5.2        B    B   8.0  5.2  3.2  2.9       3.9
12Z:  3.1  7.5  5.2  3.2                                1.7  3.6  4.8        B        8.0  4.8  4.9  5.8       3.4
13Z:            3.8  2.6                                1.8       5.0  3.9            4.0  5.0
14Z:            2.2  2.2       2.4                           7.1  5.4  4.9   B    B   4.0  5.4  7.2  9.0       6.5
15Z:       3.4       2.6                                     7.3  3.2  5.1  5.4   A   4.5  3.2  8.1            7.0
16Z:       4.0       2.9                                     8.2  2.9  5.6   B    B   3.2  2.9  7.8  8.2       8.3
17Z:       3.5  2.2  2.6       3.0                           8.6  4.8  6.0   B    B   3.7  4.8  8.9            8.0
18Z:       3.8  2.3                                          8.0       6.1  7.6   B   3.7       8.2  8.3       9.0
19Z:                                                         6.9             B    B   3.7       8.0  7.0       8.2
20Z:                                                         6.6             B    A   3.7       5.7  7.0       5.5
21Z:                                                         6.1             A   3.9  4.1       4.5  5.7       6.9
22Z:                                                         4.3             A   3.7  5.2       3.4  4.4       6.3
23Z:                                                         3.4            5.7  3.9  8.2        B   2.7       5.8
=========================================
Estimated Average Global foF2:  5.28 MHz.


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

      MUR  ASH  SVE  TOM  DIX  MAG  JUL  UPS  BOU  WLP  MAU  GOO  EIE  TAO  KEA  ARG  BER  NIC  DYS
     ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----
00Z:      10.2       5.1      18.7  8.1      26.1 14.8 43.6   B    B  39.2 44.3   B    B  10.7 25.4
01Z:      10.6  7.0  6.6      20.4  6.2      25.0  9.6 47.7   A  17.4 35.0 47.7  8.7   B  15.8 26.3
02Z:       9.0  6.2  9.2      20.8   E       16.1  9.0 38.7   A  13.2 23.2 39.4  9.0   B  10.6 11.8
03Z:      14.9  6.5 17.0            6.8  9.8 13.6  9.8 33.3   A  17.5 36.0 33.3 11.2   B  15.1 11.8
04Z:                20.5            6.8      15.1  7.8 42.7   A  19.3 40.1 43.3  9.2   B  11.0 15.4
05Z:  7.6 18.5 12.2 24.8       7.5  9.6      15.3  6.0 24.1   A    A       24.4  9.0   B  18.5 14.7
06Z:           16.1 27.9      17.1   F       15.5  7.0 21.6   B  12.5 27.9 21.6  8.6           19.2
07Z:      27.0 16.8 29.4      13.5  9.9      11.7  6.4 18.6   B    A  35.8 18.9   B   7.2      11.5
08Z:      24.4 19.8 28.5       8.6 13.2       6.0   B  12.7   B  14.8 35.3 13.0  6.2   B        9.6
09Z: 11.6 26.7 19.2 25.7 14.0  6.7            5.5  6.8 18.0           45.4 18.0        B       12.3
10Z: 15.7 25.8 19.5 23.8  6.4  6.4            5.8   B  17.6   B            17.8   B    B       10.5
11Z:      29.8 18.5 14.4       6.7            6.1  6.5 15.9   B    B  22.4 16.1  9.0 10.4      12.1
12Z:  9.0 24.0 16.6 10.2                      6.1  9.7 13.9   B       26.4 13.9 15.7 18.0      10.2
13Z:           11.8  8.8                      5.2      14.5           12.8 14.5
14Z:            6.4  6.6       6.7                24.1 19.2   B    B  12.4 19.4 23.0 31.5      22.8
15Z:      10.9       7.3                          23.4 10.4 15.7   A  17.1 10.6 26.7           23.8
16Z:      11.6       7.0                          26.2  8.0   B    B   8.3  8.1 23.4 26.2      25.7
17Z:       9.4  5.5  7.0       7.8                27.5 14.6   B    B  11.1 14.9 28.5           24.8
18Z:       9.9                                    25.6      22.0   B  11.1      25.4 29.9      31.5
19Z:                                              22.1        B    B  11.1      25.6 25.9      28.7
20Z:                                              22.4        B    A  10.4      18.8 25.9      23.1
21Z:                                              21.4        A  10.9 11.9      13.9 21.7      24.8
22Z:                                              13.3        A  11.1 15.6       9.2 15.4      23.3
23Z:                                              10.2      22.8 11.7 27.1        B  10.5      20.3
===============================================
Estimated Average Global MUF(3000)F2: 16.50 MHz.


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

      BOU  TAO  ANC  CNV  PAL  SHE  OSA
     ---- ---- ---- ---- ---- ---- ----
00Z:  250  390  270       650
01Z:  190  300  280  160  700
02Z:  120  340  310  120  520
03Z:   81  770  210  110  440
04Z:   74  880  130  120  350
05Z:   73  650   30  130  190
06Z:   75  670   29  170  160
07Z:   80  640   34  130  130
08Z:   65  590   38  120  120
09Z:             46  120  120
10Z:   46  360   48  120   99
11Z:   40  260   50  120   73
12Z:   33  250   28  120   72
13Z:   34  150             77
14Z:   53  140   27  220   75
15Z:   93  140   27  230   54
16Z:  150  120   26  250   56
17Z:  190  130   22  300  110
18Z:  270  130   37  310  170
19Z:  240  120   51  290  190
20Z:  230  120   66  260  250
21Z:  160  150  110  200  340
22Z:  140  240  120  170  380
23Z:  140  390  120  160  380


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)
JUL = Juliusruh/Rugen            Germany             (N54E013)
UPS = Uppsala                    Sweden              (N60E018)
POI = Poitiers                   France              (N46E000)
WAR = Warsaw                     Poland              (N52W021)
BOU = Boulder CO                 USA                 (N40W105)
WLP = Wallops Island VA          USA                 (N37W075)
MAU = Maui HI                    USA                 (N20W157)
OTI = Ottawa                     Canada              (N45W076)
GOO = Goose Bay                  Canada              (N53W060)
EIE = Eielson AFB AK             USA                 (N64W147)
TAO = Taoyuan                    Taiwan              (N25E121)
KEA = Keakawapu HI               USA                 (N20W156)
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)
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.



