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From: oler@rho.uleth.ca (Cary Oler)
Message-Id: <9312040535.AA26021@rho.uleth.ca>
Subject: Daily Summary of Ionospheric Data for 03 December
To: solar-daily@lut.fi
Date: Fri, 3 Dec 93 22:35:15 MST
X-Mailer: ELM [version 2.3 PL11]
Reply-To: SOLAR-DAILY Distribution List <solar-daily@lut.fi>
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Status: RO

                    ---------------------------------------
                    DAILY IONOSPHERIC SUMMARY FOR 03 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 : 0000Z,  Maximum Absorption: 2 dB
     End of Event  : 0100Z


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

     MUR  ASH  SAL  TOM  DIX  MAG  SVE  JUL  BOU  WLP  MAU  VBG  GOO  EIE  TAO  CHU  KEA  ARG  BER  NIC  DYS  LEA
     ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---
00Z:                3.0       3.0       2.6  3.2  2.6  2.8  3.3   A   2.8            2.9  2.7   B   3.2  3.4  2.9
01Z:      2.9       2.7       3.0       2.6       2.5  2.9  3.2   A    A             2.9  3.4   B    C        3.2
02Z:      2.8       2.9       3.1       2.7       2.6  3.0  3.2   A   3.7            3.1  2.9   B   2.8  3.3   A
03Z:      2.9       2.8       3.2       2.7       2.5  3.0  2.3   B   2.9            3.1  2.9   B   2.9  3.0  2.4
04Z:      3.4       2.9       3.1  2.9  2.9       2.4  3.3  4.2   A    A             3.3  2.7  3.2   C    B   2.8
05Z:      3.2       3.0                 2.7       2.6  3.4  3.0   A    A             3.4  2.9   B   3.5   B   4.3
06Z:      3.3       3.2  2.8  3.0  2.8  2.7       3.2  2.6  2.8   B    A             2.6  3.4   B        3.0  2.5
07Z:      3.4       3.2       3.2  3.1  3.1       2.7  2.8  3.1   A    B             2.8   B    A        3.1  2.6
08Z:      3.2       3.2       2.6  3.0  3.1       3.2  2.8  2.5   B    A             2.9   B    A        3.4  2.5
09Z:                3.1       2.4  3.0            3.1  3.0  2.7   B    A             3.1   B    A        3.2  2.6
10Z:      3.2       3.2       2.4  3.2             A   3.3  2.7   B    A             3.3   B    A        2.6  3.0
11Z:                3.1       2.8  3.1            3.0  3.7  2.6   B    B             3.7   B   3.1       2.7  2.9
12Z:                2.9       3.2  3.1            3.5  3.0  2.8   B    B   3.6       3.0  3.2  3.8       2.8  2.8
13Z: 2.6  3.0  2.6            2.6  3.1            3.4  3.2  2.8  3.2   A   3.5       3.2  3.4  3.9       3.0  3.0
14Z:                               3.0            3.4  2.9  2.9  3.2   B   3.2   R   2.9   A   3.7       3.3  2.7
15Z:      3.4                                     3.3   F   3.5  3.3   A   3.5   C    E    B   3.7       3.6  3.2
16Z:      3.1                                     3.3   F   3.5  3.2   A   2.9   R    E    B             3.6  3.0
17Z:                                              3.2  2.8  3.5  3.4   A   3.0       2.8   B   3.6       4.0  2.9
18Z:                          2.8                 3.3       3.5  3.3   A   3.0  3.1       3.5  3.4       3.5  2.9
19Z:                                              3.3       3.3  3.3  2.6  3.1  3.0       3.4  3.5       4.0  2.7
20Z:                                              3.3       3.3  3.0   B   3.0  3.0       3.0  3.8       3.4  3.0
21Z:                                              3.3       3.4   B    B   3.0   F         B   3.6       3.4  2.8
22Z:                                              3.3       3.5   A    B   2.9   F         B   3.5       3.7  3.2
23Z:                                              3.4       3.7   B   3.0  3.5             B    B        3.5  3.6
=========================================
Estimated Average Global M(3000)F2:  3.09.


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

     MUR  ASH  SAL  TOM  DIX  MAG  SVE
     ---  ---  ---  ---  ---  ---  ---
00Z:                1.0       1.4
01Z:      1.7       1.1  1.2  1.3  2.0
02Z:      1.3       1.0  2.4  1.4  2.0
03Z:      1.6       1.0  2.6  1.3
04Z:      1.5       1.1       1.0  1.8
05Z:      1.3       1.3            1.0
06Z:      1.3       1.4  2.6  1.0  1.0
07Z:      1.3       1.8  1.7  1.0  1.7
08Z:      1.2       1.6  2.5  1.0  1.4
09Z:                2.0  2.1  1.0  1.4
10Z:      2.0       1.0  1.0  1.0  1.6
11Z: 1.2            1.0  1.6  1.0  1.6
12Z: 1.3       1.0  1.0  1.1  1.0  1.6
13Z: 1.0  1.4  1.0  1.5  1.0  1.0  1.6
14Z: 1.0       1.0  1.0  1.2  1.0  1.6
15Z: 1.0  1.6  1.0  1.6  1.0  1.0  1.8
16Z: 1.0  1.6       1.6  2.0  1.0  1.0
17Z: 1.0       1.0  2.0  1.6  1.0  1.8
18Z:           1.0       1.0  1.0  1.0
19Z:
20Z:
21Z:
22Z:
23Z:


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

     MUR  ASH  SAL  TOM  DIX  MAG  SVE
     ---  ---  ---  ---  ---  ---  ---
00Z:
01Z:      2.1            2.0
02Z:      4.1            4.0
03Z:      6.2       2.0  4.0  1.6
04Z:      4.3                 1.5
05Z:                2.3            2.0
06Z:      3.9                      2.5
07Z:                     2.3       2.6
08Z:                     3.5
09Z:                     6.2
10Z:      3.4            6.2
11Z: 3.2                 6.0
12Z: 4.7       2.5       5.4
13Z: 2.0  2.9  1.5       6.4
14Z: 2.8       2.0  3.6  6.2  2.0
15Z: 3.1       1.9  4.9  5.6  2.8  6.0
16Z: 4.3            3.4  6.2  3.4  4.0
17Z: 5.0       2.3  3.0  6.2  3.2  7.0
18Z: 4.4       2.0       6.2  2.1  5.0
19Z:
20Z:
21Z:
22Z:
23Z:


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

      MUR  ASH  SAL  TOM  DIX  MAG  SVE  JUL  WAR  POI  BOU  WLP  OTI  MAU  VBG  GOO  EIE  TAO  CHU  KEA  ARG  BER  NIC  DYS  LEA
     ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----
00Z:                 3.9       3.4       3.7   C   2.5  9.3  2.9      15.0  8.8   A   7.8           15.0  2.6   B   3.1  8.6  4.1
01Z:       2.5       3.0       3.5       5.0   C   2.5       3.0      13.7  7.3   A    A            13.7  3.5   B    C        4.4
02Z:       3.2       3.1       3.5       3.6   C   2.4       2.6      14.1  5.8   A   7.6           14.1  2.7   B   2.9  6.4   A
03Z:       5.3       3.8       3.7  4.1  3.7   C   2.4       2.2      12.5  3.2   B   3.6           12.5  2.7   B   2.9  3.1  5.7
04Z:       8.2       4.6       3.9  3.7  3.6   C   2.6       2.7      13.9  5.7   A    A            13.9  3.0  2.8   C    B   6.4
05Z:       9.9       5.2            4.3  2.6  3.0  2.4       2.8       8.5  3.2   A    A             8.5  3.0   B   6.5   B   8.3
06Z:       9.2       5.7  3.5  3.9  4.4  2.6   C   2.3       3.0       5.6  3.7   B    A             5.6  2.7   B        4.8  5.3
07Z:      10.5       6.0       3.3  5.1  3.2  3.8  2.7       2.9       6.0  3.6   A    B             6.0   B    A        5.1  5.6
08Z:      10.2       7.4       1.9  5.3  3.8  4.2            2.1       6.6  3.3   B    A             6.6   B    A        5.8  5.3
09Z:                 6.4       1.9  6.1                      2.4       7.4  3.6   B    A             7.4   B    A        4.8  5.6
10Z:       8.8       6.6       1.9  5.8                       A        8.5  3.6   B    A             8.5   B    A        3.3  5.6
11Z:                 4.3       1.8  5.3                      2.7       7.8  3.3   B    B             7.8   B   5.4       3.2  7.0
12Z:                 2.9       1.5  5.3                      6.6       4.0  3.7   B    B   7.0       4.0  6.8  7.2       3.5  6.0
13Z:  2.1  5.0 12.0            1.5  4.6                      8.3  5.8  4.5  3.7  5.9   A   3.3       4.5  7.5  7.9       3.2  5.8
14Z:                                2.6                      8.6  7.1  4.2  4.3  6.6   B   3.7   R   4.2   A   8.6       7.7  8.4
15Z:       3.8                                               9.0  8.0  4.5  6.8  6.9   A   3.2   C   4.5   B   7.8       9.2  7.9
16Z:       3.2                                               8.1  8.0  5.0  7.8  7.6   A   2.5   R   5.0   B             9.8  5.8
17Z:                                                         9.1  9.1  5.0  8.7  8.7   A   2.4       5.0   B   7.0       7.7  4.9
18Z:                           1.5                           9.8  9.4       9.4  8.9   A   2.6  4.4       8.6  9.3       8.2  4.7
19Z:                                                         9.4            9.2  7.5  3.1  2.3  4.6       7.5  8.9       5.2  4.6
20Z:                                                         8.4            9.2  3.7   B   2.3  6.2       5.5  7.1       8.2  3.2
21Z:                                                         8.8            8.9   B    B   2.3   F         B   5.8       8.8  3.9
22Z:                                                         6.0            8.5   A    B   3.0   F         B   5.4       7.9  5.8
23Z:                                                         4.2            8.2   B   4.2  7.2             B    B        6.0  6.0
=========================================
Estimated Average Global foF2:  5.65 MHz.


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

      MUR  ASH  SAL  TOM  DIX  MAG  SVE  JUL  BOU  WLP  MAU  VBG  GOO  EIE  TAO  CHU  KEA  ARG  BER  NIC  DYS  LEA
     ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----
00Z:                11.7      10.2       9.6 30.0  7.5 42.8 29.0   A  21.8           43.5  7.0   B   9.9 29.2 11.9
01Z:       7.2       8.1      10.5      13.0       7.5 39.5 23.4   A    A            39.7 11.9   B    C       14.1
02Z:       9.0       9.0      10.8       9.7       6.8 43.0 18.6   A  28.1           43.7  7.8   B   8.1 21.1   A
03Z:      15.4      10.6      11.8      10.0       5.5 38.1  7.4   B  10.4           38.8  7.8   B   8.4  9.3 13.7
04Z:      27.9      13.3      12.1 10.7 10.4       6.5 45.9 23.9   A    A            45.9  8.1  9.0   C    B  17.9
05Z:      31.7      15.6                 7.0       7.3 28.9  9.6   A    A            28.9  8.7   B  22.8   B  35.7
06Z:      30.4      18.2  9.8 11.7 12.3  7.0       9.6 14.6 10.4   B    A            14.6  9.2   B       14.4 13.2
07Z:      35.7      19.2      10.6 15.8  9.9       7.8 16.8 11.2   A    B            16.8   B    A       15.8 14.6
08Z:      32.6      23.7       4.9 15.9 11.8       6.7 18.8  8.2   B    A            19.1   B    A       19.7 13.2
09Z:                19.8       4.6 18.3            7.4 22.6  9.7   B    A            22.9   B    A       15.4 14.6
10Z:      28.2      21.1       4.6 18.6             A  28.0  9.7   B    A            28.0   B    A        8.6 16.8
11Z:                13.3       5.0 16.4            8.1 28.9  8.6   B    B            28.9   B  16.7       8.6 20.3
12Z:                 8.4       4.8 16.4           23.1 12.0 10.4   B    B  25.2      12.0 21.8 27.4       9.8 16.8
13Z:  5.5 15.0 31.2            3.9 14.3           28.2 14.4 10.4 18.9   A  11.6      14.4 25.5 30.8       9.6 17.4
14Z:                                7.8           29.2 12.2 12.5 21.1   B  11.8   R  12.2   A  31.8      25.4 22.7
15Z:      12.9                                    29.7   F  23.8 22.8   A  11.2   C    E    B  28.9      33.1 25.3
16Z:       9.9                                    26.7   F  27.3 24.3   A   7.2   R    E    B            35.3 17.4
17Z:                                              29.1 14.0 30.4 29.6   A   7.2      14.0   B  25.2      30.8 14.2
18Z:                           4.2                32.3      32.9 29.4   A   7.8 13.6      30.1 31.6      28.7 13.6
19Z:                                              31.0      30.4 24.8  8.1  7.1 13.8      25.5 31.1      20.8 12.4
20Z:                                              27.7      30.4 11.1   B   6.9 18.6      16.5 27.0      27.9  9.6
21Z:                                              29.0      30.3   B    B   6.9   F         B  20.9      29.9 10.9
22Z:                                              19.8      29.8   A    B   8.7   F         B  18.9      29.2 18.6
23Z:                                              14.3      30.3   B  12.6 25.2             B    B       21.0 21.6
===============================================
Estimated Average Global MUF(3000)F2: 17.46 MHz.


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

      BOU  TAO  ANC  CNV  PAL  SHE  OSA
     ---- ---- ---- ---- ---- ---- ----
00Z:  330       240  210  700
01Z:  200       210  130  670
02Z:            190  120  630
03Z:            180  120  510
04Z:   53       170  130  470
05Z:   41            130  200
06Z:   43            160  130
07Z:   50  700       190  140
08Z:   57            120  130
09Z:   48            100  140
10Z:   59            110  170
11Z:                 100  130
12Z:   36  220       110   74
13Z:   39  140       180   75
14Z:   61  120       250   75
15Z:  110  120       260   74
16Z:  150  100       310   76
17Z:       100       270  110
18Z:  210  100            220
19Z:  220   92       310  350
20Z:        85  190  320  430
21Z:  240   83  220  290  420
22Z:  200  140  250  240  470
23Z:  150  270  240  170  490


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

MUR = Murmansk                   USSR                (N68E033)
ASH = Ashkhabad                  USSR                (N37E058)
SAL = Salekhard                  USSR                (N66E066)
TOM = Tomsk                      USSR                (N56E085)
DIX = Dixon                      USSR                (N74E081)
MAG = Magadan                    USSR                (N60E151)
SVE = Sverdlovsk                 USSR                (N56E061)
JUL = Juliusruh/Rugen            Germany             (N54E013)
WAR = Warsaw                     Poland              (N52W021)
POI = Poitiers                   France              (N46E000)
BOU = Boulder CO                 USA                 (N40W105)
WLP = Wallops Island VA          USA                 (N37W075)
OTI = Ottawa                     Canada              (N45W076)
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)
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.


