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From: oler@rho.uleth.ca (Cary Oler)
Message-Id: <9312070403.AA08724@rho.uleth.ca>
Subject: Daily Summary of Ionospheric Data for 06 December
To: solar-daily@lut.fi
Date: Mon, 6 Dec 93 21:03:06 MST
X-Mailer: ELM [version 2.3 PL11]
Reply-To: SOLAR-DAILY Distribution List <solar-daily@lut.fi>
X-Sequence: 1176
Status: RO

                    ---------------------------------------
                    DAILY IONOSPHERIC SUMMARY FOR 06 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 : 0025Z,  Maximum Absorption: 1 dB
     End of Event  : 0200Z


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

     MUR  ASH  SAL  DIX  MAG  SVE  TOM  JUL  WLP  MAU  VBG  GOO  EIE  TAO  CHU  KEA  ARG  BER  NIC  DYS
     ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---
00Z:      2.9  2.7       3.5       3.0  2.8  3.8  3.3  3.4  2.4                 3.4   B        3.1
01Z:                               3.2  2.9       3.3                           3.4            3.2
02Z: 3.2  3.1            3.8       3.1  2.9       3.4                           3.4            3.3
03Z: 2.9  3.2  3.0       3.8  2.8  3.2  2.9       3.4                           3.4            3.0
04Z:      3.5  3.0       3.6       3.5  3.1   A   3.8  4.0  3.0                 3.8   B   3.5  3.2  3.1
05Z: 2.9  3.2  3.2  3.1  3.7       3.7  3.3  2.7  3.5  2.8  2.8                 3.6   B    B   3.7  2.9
06Z: 3.1  3.2  3.3  3.3            3.4  3.3  2.8  3.1  3.3  2.7                 3.1   B             3.0
07Z: 3.3       3.4  3.4  3.8  3.3  3.7  3.2  2.8  3.1  3.1  2.4                 3.1  3.2  3.9       3.2
08Z: 3.3  3.2  3.4  3.3  3.4       3.6  3.5  3.0  3.5  3.2   B                  3.5   B   3.4       2.9
09Z: 3.5  3.2  3.3  3.3            3.7       3.2  3.2  2.7   B        3.9       3.2   B    A        3.1
10Z: 3.4  3.2  3.3  3.2  3.0       3.2        B   3.2  2.9   B        3.5       3.2  3.0  3.9       2.9
11Z: 3.5  3.2            2.6  3.4  3.3        B   2.8  2.9  3.0       3.5       2.8  3.5  3.6       3.0
12Z: 3.5  3.4  3.1       2.8       3.4        B   3.2  2.9  3.4       3.7       3.2  3.5  3.7       3.0
13Z: 3.3  3.2       3.1  3.0       3.2        B   3.0  2.8  3.8       3.2       3.0  3.7            3.4
14Z: 3.6  3.2  3.1       3.0       3.0        B   3.1  3.3  3.3       3.3   R   3.1   B   3.6       3.7
15Z: 3.3  3.3            3.1  2.8  2.7        B   3.2  3.5  3.7       3.2  3.3  3.3  3.5  3.6       3.7
16Z: 3.1  3.2            3.2                  B   3.8  3.7  3.4       3.0  3.4  3.8  3.5  3.3       3.7
17Z:      3.3            3.2       2.7       3.3  3.4  3.3  3.5       3.2  3.4  3.4  3.6  3.5       3.6
18Z: 3.1                                     3.2       3.5  3.4       3.3   F        3.6  3.4       3.5
19Z:                                         3.5       3.5  3.5  3.3  3.2  3.2       3.4            3.5
20Z:                                         3.3       3.4  3.3  3.4  3.0  3.5       3.4  3.6       3.4
21Z:                                         3.5       3.5  2.9  3.4  3.1  3.3       3.1  3.4       3.6
22Z:                                         3.4       3.3  3.1  3.3  3.1  3.4       3.1  3.5       3.6
23Z:                                         3.2       3.3  3.0  3.3  3.5             B   3.6       3.8
=========================================
Estimated Average Global M(3000)F2:  3.28.


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

     MUR  ASH  SAL  DIX  MAG  SVE  TOM
     ---  ---  ---  ---  ---  ---  ---
00Z: 2.2  1.6  1.6       1.6       1.0
01Z:                               1.0
02Z: 1.0  1.6       1.4  1.6       1.2
03Z: 1.0  1.6  1.0  1.2  1.8  1.8  1.2
04Z:      1.4  1.0       1.2  1.7  1.3
05Z: 1.0  1.5  1.7  1.1  1.0       1.6
06Z: 1.0  1.4  1.0  1.0  1.1       1.6
07Z: 1.0       1.8  1.2  1.0  1.6  1.7
08Z: 1.5  1.5  2.0  1.0  1.0       1.4
09Z: 1.4  1.4  2.5  1.3  1.0       1.4
10Z: 1.6  1.4  1.6  1.0  1.0  1.8  1.2
11Z: 1.1  1.2       1.1  1.0  1.0  1.0
12Z: 1.1  1.4  1.0  1.0  1.0  1.5  1.0
13Z: 1.1  1.5       1.0  1.0  1.8  1.0
14Z: 1.0  1.2  1.0  1.4  1.0  1.6  1.5
15Z: 1.2  1.5       1.2  1.0  1.6  1.0
16Z: 1.2  1.5            1.0  1.8  1.0
17Z:      1.6       3.2  1.0       1.0
18Z: 1.2            2.5  1.0  1.5
19Z:
20Z:
21Z:
22Z:
23Z:


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

     MUR  ASH  DIX  MAG  SVE  TOM
     ---  ---  ---  ---  ---  ---
00Z: 3.4
01Z:
02Z:           2.3
03Z:           1.9
04Z:                1.8
05Z:                1.8
06Z:
07Z:           1.9       4.2
08Z:      3.7                 2.2
09Z:      3.6  1.6            1.9
10Z:      3.4                 1.6
11Z:      2.9  1.9       2.2
12Z:      2.6  2.8            3.0
13Z:           3.0
14Z:           3.0
15Z:      2.2  4.5  2.3
16Z:      2.0       2.0
17Z:           5.0
18Z: 2.9       4.0  1.8
19Z:
20Z:
21Z:
22Z:
23Z:


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

      MUR  ASH  SAL  DIX  MAG  SVE  TOM  JUL  WAR  OTI  WLP  MAU  VBG  GOO  EIE  TAO  CHU  KEA  ARG  BER  NIC  DYS
     ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----
00Z:       3.8  2.2       6.6       2.2  2.6  2.8       3.5 14.6  8.2  3.6                14.6   B        3.7
01Z:                                2.3  2.6  2.8           13.5                          13.5            3.6
02Z:  2.8  3.4            9.6       3.2  2.2  2.7           11.2                          11.2            3.9
03Z:  2.4  4.5  1.8       6.8  2.1  5.2  2.1   C             8.3                           8.3            3.3
04Z:       6.9  2.4       8.2  3.0  6.3  2.1   A         A   5.9  3.2  2.4                 5.9   B   2.8  3.9  2.6
05Z:  2.4  6.2  4.0  2.9  5.7       7.1  2.0   C        3.0  4.1  3.0  2.3                 4.1   B    B   6.8  3.0
06Z:  1.9  6.5  4.8  3.7            7.1  2.2  3.0       3.4  4.0  2.8  2.7                 4.0   B             3.4
07Z:  3.0       6.0  3.7  3.2  7.0  7.3  4.0  5.1       3.7  5.2  3.2  2.4                 5.2  2.2  3.0       3.5
08Z:  4.2  7.4  6.7  3.7  2.7       7.2  5.7  6.1       3.8  5.2  2.5   B                  5.2   B   4.8       3.3
09Z:  5.0  7.2  5.5  3.2            5.9                 3.7  3.8  2.9   B        8.5       3.8   B    A        3.3
10Z:  5.0  7.4  5.0  2.5  1.6  7.0  5.7                  B   3.3  3.3   B        7.8       3.3  2.3  2.1       3.4
11Z:  5.6  7.4            1.8  6.3  3.6                  B   3.4  3.4  3.0       5.8       3.4  4.5  3.8       3.3
12Z:  5.2  6.4 13.6       2.2  6.0  3.2                  B   3.5  3.5  5.1       4.7       3.5  6.3  5.6       3.5
13Z:  3.8  4.6       2.8  2.3  4.0  2.4            5.2   B   3.6  3.3  6.7       4.4       3.6  6.9            4.6
14Z:  3.0  4.4  1.8  3.5  2.3  3.0  2.0            6.1   B   3.8  4.3  7.7       3.6   R   3.8   B   6.9       7.1
15Z:  2.3  3.9            2.3  2.5  1.8            7.2   B   3.6  6.7  8.5       3.0  4.4  3.6  8.1  7.9       7.4
16Z:  1.8  3.8            2.6  2.0                 8.1   B   2.8  7.4  7.6       3.1  5.4  2.8  8.2  7.7       7.1
17Z:       3.3            3.0       1.8            7.4  8.3  4.6  9.0  7.2       3.2  6.1  4.6  7.4  7.7       8.2
18Z:  3.0                      2.0                 8.2  8.2       7.4  7.4       3.3   F        7.0  7.1       8.7
19Z:                                                    7.4       9.7  7.9  4.8  3.2  7.7       6.6            8.3
20Z:                                                    7.0       7.0  6.2  5.5  3.1  7.2       4.7  5.8       7.6
21Z:                                                    6.3       7.6  5.2  6.2  2.8  7.6       4.5  6.2       7.1
22Z:                                                    4.5       6.5  3.4  7.6  3.1  7.0       3.5  5.7       7.8
23Z:                                                    4.7       8.0  2.8  6.8  5.9             B   3.7       6.7
=========================================
Estimated Average Global foF2:  4.95 MHz.


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

      MUR  ASH  SAL  DIX  MAG  SVE  TOM  JUL  WLP  MAU  VBG  GOO  EIE  TAO  CHU  KEA  ARG  BER  NIC  DYS
     ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----
00Z:      11.0  5.9      23.1       6.6  7.3 13.3 48.9 27.9  8.6                49.6   B       11.5
01Z:                                7.4  7.5      45.2                          45.9           11.5
02Z:  9.0 10.5           36.5       9.9  6.4      38.1                          38.1           12.9
03Z:  7.0 14.4  5.4      25.8  5.9 16.6  6.1      28.2                          28.2            9.9
04Z:      24.1  7.2      29.5      22.1  6.5   A  22.4 12.8  7.2                22.4   B   9.8 12.5  8.1
05Z:  7.0 19.8 12.8  9.0 21.1      26.3  6.6  8.1 14.6  8.4  6.4                14.8   B    B  25.2  8.7
06Z:  5.9 20.8 15.8 12.2           24.1  7.3  9.5 12.4  9.2  7.3                12.4   B            10.2
07Z:  9.9      20.4 12.6 12.2 23.1 27.0 12.8 10.4 16.1  9.9  5.8                16.1  7.0 11.7      11.2
08Z: 13.9 23.7 22.8 12.2  9.2      25.9 19.9 11.4 17.9  8.0   B                 18.2   B  16.3       9.6
09Z: 17.5 23.0 18.1 10.6           21.8      11.8 12.0  7.8   B       33.2      12.2   B    A       10.2
10Z: 17.0 23.7 16.5  8.0  4.8      18.2        B  10.6  9.6   B       27.3      10.6  6.9  8.2       9.9
11Z: 19.6 23.7            4.7 21.4 11.9        B   9.5  9.9  9.0      20.3       9.5 15.8 13.7       9.9
12Z: 18.2 21.8 42.2       6.2      10.9        B  11.2 10.2 17.3      17.4      11.2 22.1 20.7      10.5
13Z: 12.5 14.7       8.7  6.9       7.7        B  10.6  9.2 25.5      14.1      10.8 25.5           15.6
14Z: 10.8 14.1  5.6       6.9       6.0        B  11.8 14.2 25.4      11.9   R  11.8   B  24.8      26.3
15Z:  7.6 12.9            7.1  7.0  4.9        B  11.7 23.4 31.5       9.6 14.5 11.9 28.4 28.4      27.4
16Z:  5.6 12.2            8.3                  B  10.5 27.4 25.8       9.3 18.4 10.6 28.7 25.4      26.3
17Z:      10.9            9.6       4.9      27.4 15.6 29.7 25.2      10.2 20.7 15.6 26.6 26.9      29.5
18Z:  9.3                                    26.2      25.9 25.2      10.9   F       25.2 24.1      30.4
19Z:                                         25.9      34.0 27.6 15.8 10.2 24.6      22.4           29.1
20Z:                                         23.1      23.8 20.5 18.7  9.3 25.2      16.0 20.9      25.8
21Z:                                         22.1      26.6 15.1 21.1  8.7 25.1      13.9 21.1      25.6
22Z:                                         15.3      21.4 10.5 25.1  9.6 23.8      10.8 19.9      28.1
23Z:                                         15.0      26.4  8.4 22.4 20.6             B  13.3      25.5
===============================================
Estimated Average Global MUF(3000)F2: 16.22 MHz.


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

      TAO  ANC  CNV  PAL  BOU  SHE  OSA
     ---- ---- ---- ---- ---- ---- ----
00Z:            140  590  150
01Z:
02Z:
03Z:
04Z:             92  120   39
05Z:        14   90   84   37
06Z:  560        96   78   37
07Z:        17  100   90   42
08Z:        13  100   79   38
09Z:  190   13  110   53
10Z:  170   12  110   47   39
11Z:        10  110   45   39
12Z: .00  7.8  110   53   37
13Z:       8.6  160   46   37
14Z:       9.6  170   45   52
15Z:        11  210   48   81
16Z:        14  210   47  110
17Z: .00   15  200   68  140
18Z:  120       210  120  160
19Z:  110       220  190  200
20Z:  100       210  230  160
21Z:  100       210  220  160
22Z:  140       180  250  170
23Z:  200   44  160  320  190


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

MUR = Murmansk                   USSR                (N68E033)
ASH = Ashkhabad                  USSR                (N37E058)
SAL = Salekhard                  USSR                (N66E066)
DIX = Dixon                      USSR                (N74E081)
MAG = Magadan                    USSR                (N60E151)
SVE = Sverdlovsk                 USSR                (N56E061)
TOM = Tomsk                      USSR                (N56E085)
JUL = Juliusruh/Rugen            Germany             (N54E013)
WAR = Warsaw                     Poland              (N52W021)
OTI = Ottawa                     Canada              (N45W076)
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)
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.


