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From: oler@rho.uleth.ca (Cary Oler)
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Subject: Daily Summary of Ionospheric Data for 12 November
To: solar-daily@lut.fi
Date: Sat, 13 Nov 93 12:15:34 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 12 NOV 93
                    ---------------------------------------


REPORTS OF SUDDEN IONOSPHERIC DISTURBANCES
------------------------------------------

HIR: Type = Typical S-SWF,  Importance=3,  Start=0222Z, Max=0224Z, End=0246Z
     Time Accuracy not within 2 minutes,  Time Confidence=Fair


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

     ASH  MUR  SVE  SAL  DIX  MAG  JUL  TOM  BOU  WLP  MAU  VBG  GOO  EIE  TAO  CHU  KEA  ARG  NIC  DYS  LEA
     ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---
00Z: 2.5       3.2       2.4  3.6  3.0  2.9  3.7  3.1  3.2  3.6  3.0       3.6       3.3   B   3.0  3.5  3.2
01Z: 2.8       3.2            3.6  3.0  2.9       3.3  3.4  3.6  2.8       3.2       3.4  3.3  3.3  3.4  3.1
02Z:      2.9                 3.7  2.9  3.6       3.0  3.3  3.2  2.8       3.3       3.3   B   3.8   B   2.5
03Z:                     3.3  3.7  3.0  3.5       2.8  3.7  3.2  2.4       3.2       3.7   B   2.9   B   2.6
04Z: 2.9       2.8  3.4  3.3  3.5  3.0  3.5       2.7  3.5  3.0   B        3.3       3.5   B   3.2  3.1  2.9
05Z: 3.1       3.3  3.5  3.4  3.5  3.1  3.4       2.9  3.7  3.1   B        3.2       3.7   B   3.7  2.9  2.8
06Z: 3.3  3.4  3.5  3.4  3.4  3.6  3.3  3.6       2.6  2.4  3.1  2.4       3.2       2.4   B    C   3.2  2.9
07Z: 3.6  3.4  3.3  3.3  3.5  2.6  3.5  3.9       3.0  2.9  3.1  2.9       3.6       2.9  2.9  3.8  3.1  3.1
08Z: 3.2  3.3  3.5       3.5  3.5  3.6  3.4       3.1  3.5  3.2  2.6       3.5       3.5  3.2  3.4  3.3  3.1
09Z: 3.1  3.6  3.5  3.4  3.5            3.6       3.0  3.3  2.9   B        3.6       3.4   B   3.6  3.3  3.4
10Z:      3.5       3.4  3.1  2.9       3.3       3.2  3.2  3.2   B        3.4       3.2  3.2   C   3.3  3.6
11Z: 3.3  3.3  3.4  3.3  3.1  2.8       3.0       3.4  3.3  3.0  3.3       3.1       3.3  3.6  3.6   B   3.3
12Z: 3.2       3.3  3.1       3.1       3.3       3.5  3.3  3.0   B        3.1       3.4  3.6  3.6  3.0  3.4
13Z: 3.1  3.6  3.0  3.4                 3.0       3.5  3.0  2.8  4.2       3.2       3.1  3.6  3.9  3.4  3.0
14Z: 3.0  3.5       3.1                 3.3       3.4  3.5  2.9  3.5       3.0       3.6  3.5  3.7  3.5  3.5
15Z: 3.0            2.9       3.0                 3.4  3.5  3.4  3.5       3.4  3.5  3.5  3.3   C   3.6  3.2
16Z:      3.1                 2.9                 3.5  2.9  3.3  3.5       3.3  3.5  2.9  3.4  3.5  3.4  3.4
17Z: 2.7  3.1  2.8            3.0                 3.5  3.3  3.3  3.5       3.4  3.4  3.3  3.3  3.4  3.5   A
18Z: 2.9       2.7            3.0                 3.3       3.4  3.4       3.5  3.3       3.3  3.2  3.5  2.5
19Z:                                              3.3       3.5            3.6                 3.4  3.4  2.8
20Z:                                              3.2       3.4  3.6  3.4  3.5            3.3  3.2  3.5  3.0
21Z:                                              3.2       3.2  3.3  3.5  2.7  3.4       3.1  3.0  3.4  2.6
22Z:                                              3.1       3.3  3.3  3.4  3.2  3.4       3.1  3.1  3.5  3.5
23Z:                                              3.3       3.3  3.3  3.4  3.6            3.3  3.3  3.7  3.0
=========================================
Estimated Average Global M(3000)F2:  3.26.


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

     ASH  MUR  SVE  SAL  DIX  MAG  TOM
     ---  ---  ---  ---  ---  ---  ---
00Z: 2.0  1.0  1.7       1.8  2.0  1.0
01Z: 2.0       1.8            1.0  1.0
02Z:      2.0                 2.6  1.6
03Z:      1.0  1.8       1.0  2.0  1.9
04Z: 2.0  1.0  1.6  3.0  1.2  1.5  1.7
05Z: 2.0       2.2  3.0  1.5  1.4  2.7
06Z: 2.0  1.3  1.0  3.0  1.8  1.0  2.0
07Z: 2.0  2.0  1.0  3.0  1.6  1.0  2.0
08Z: 2.0  1.9  1.0       1.4  1.0  2.8
09Z: 2.0  1.5  1.0  2.5  1.2       1.9
10Z:      1.0  1.4  1.0  1.5  1.0  1.6
11Z: 2.0  1.0  1.0  1.0  1.2  1.1  1.0
12Z: 2.0       1.8  1.0  1.0  1.0  1.0
13Z: 2.0  1.0  1.5  1.0  1.0  1.0  1.5
14Z: 2.0  1.2       1.0  1.1  1.0  1.0
15Z: 2.0            1.0  1.4  1.0  1.0
16Z:      1.3            1.5  1.0  1.0
17Z: 2.0  1.3  1.6  1.0  1.3  1.0  1.6
18Z: 2.0       1.5  1.0  1.4  1.0
19Z:
20Z:
21Z:
22Z:
23Z:


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

     ASH  MUR  SVE  SAL  DIX  MAG  TOM
     ---  ---  ---  ---  ---  ---  ---
00Z:  92  2.4
01Z: 2.7                      3.3  5.0
02Z:                               6.0
03Z:      2.0                      2.6
04Z: 3.2  2.0            2.5  3.2
05Z: 3.2                      2.1
06Z:           3.0            2.1
07Z:           3.0            1.9
08Z: 3.6       3.0            3.1
09Z: 3.7  2.6  2.5
10Z:      3.0  3.0  2.7  2.0
11Z: 3.1  2.8  2.2  2.0       1.3
12Z: 3.2                 2.5  1.9  5.0
13Z: 2.9  2.0  3.0  2.3  3.0  1.8
14Z:                2.0  2.0  1.3  2.8
15Z:                     2.5  2.3  2.8
16Z:                     3.0  2.6  3.6
17Z:                2.5  2.8  2.6  3.8
18Z:                2.3  3.4
19Z:
20Z:
21Z:
22Z:
23Z:


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

      ASH  MUR  SVE  SAL  DIX  MAG  JUL  TOM  POI  WAR  BOU  WLP  OTI  MAU  VBG  GOO  EIE  TAO  CHU  KEA  ARG  NIC  DYS  LEA
     ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----
00Z:  3.8       2.0       2.8  6.2  2.4  2.2  3.6  3.1  5.7  3.7      13.5  6.8  2.8       6.4      13.5   B   3.5  4.3  6.9
01Z:  3.7       2.0            7.2  2.5  2.6  3.6  3.3       3.4      12.3  4.7  2.7       8.5      12.3  2.3  3.9  3.6  6.5
02Z:       2.8                 7.4  2.6  4.8  3.5  3.1       3.3       9.5  2.8  2.3      10.2       9.5   B   4.3   B   6.8
03Z:            3.3       3.2  7.1  2.2  6.0  3.5  2.8       3.0       7.3  2.5  2.7       7.0       7.3   B   2.7   B   8.0
04Z:  7.2       5.3  4.1  4.0  5.4  2.0  7.6  3.3  2.7       3.1       5.5  3.6   B       10.0       5.5   B   3.6  2.9  9.4
05Z:  7.4       6.3  5.6  4.5  6.0  2.1  8.2  3.5  2.8       3.1       4.6  3.6   B       11.0       4.6   B   6.1  3.3 10.2
06Z:  8.1  2.9  7.1  6.1  5.5  5.5  3.2  7.9  3.4  4.8       3.5       3.8  3.7  5.0      12.4       3.8   B    C   3.2 10.7
07Z:  7.4  4.2  7.2  6.8  5.2  4.4  5.2  7.6  4.6  5.9       3.6       5.0  3.5  2.9      14.2       5.0  2.0  7.1  3.5 10.9
08Z:  6.9  5.5  7.0       5.0  3.4  6.0  7.0       6.1       3.6       4.6  3.5  4.0      14.8       4.6  2.3  9.0  3.5  9.8
09Z:  8.0  5.8  7.1  6.4  4.8            7.5                 3.5       3.7  3.6   B       13.2       3.7   B   8.7  3.6  8.9
10Z:       5.5  6.0  5.7  3.8  2.1       6.3                 3.5       3.0  3.6   B       10.4       3.0  3.6   C   4.1  8.2
11Z:  7.6  5.3  6.3  4.5  2.5  2.0       5.0                 4.5       3.1  3.9  4.0       9.5       3.1  5.6  7.4   B   8.1
12Z:  6.6       5.3  3.8       2.2       3.7                 6.2       3.1  3.6   B       10.7       3.1  6.4  7.4  3.1  5.6
13Z:  5.3  4.3  4.3  3.0                 3.4                 6.5  5.6  3.2  3.9  4.4       9.0       3.1  6.3  7.0  5.2  5.8
14Z:  4.4  3.8       2.0                 2.5                 6.9  6.5  2.2  4.9  7.2       7.7       2.2  6.7  6.2  6.5  5.8
15Z:  4.4            1.9       3.1                           7.1  6.9  2.4  7.7  7.2       5.8  5.4  2.4  6.9   C   7.2  5.7
16Z:       2.3            2.9  3.1                           7.5  7.4  2.3  8.0  7.0       5.0  6.2  2.3  6.8  4.0  7.7  5.4
17Z:  3.3  2.2  2.3       2.2  3.1                           8.1  7.9  5.3  9.1  6.4       4.0  6.5  5.3  6.8  3.2  8.2   A
18Z:  3.1       3.0            2.9                           7.6  7.4       7.9  6.6       3.6  6.8       6.5  3.2  7.5  3.9
19Z:                                                         8.0            7.6            3.4                 3.5  7.9  3.6
20Z:                                                         7.6            7.8  5.7  6.6  2.4            5.3  3.6  8.2  3.8
21Z:                                                         7.9            7.6  5.4  7.0  2.4  7.2       4.7  3.6  8.3  4.5
22Z:                                                         4.7            7.9  4.3  6.8  3.3  6.3       4.1  3.5  7.9  5.8
23Z:                                                         4.1            7.6  3.3  7.1  6.8            3.7  3.7  6.2  6.9
=========================================
Estimated Average Global foF2:  5.34 MHz.


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

      ASH  MUR  SVE  SAL  DIX  MAG  JUL  TOM  BOU  WLP  MAU  VBG  GOO  EIE  TAO  CHU  KEA  ARG  NIC  DYS  LEA
     ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----
00Z:  9.5       6.4       6.7 22.3  7.2  6.4 21.3 11.5 43.9 24.5  8.4      23.0      44.5   B  10.5 15.1 22.1
01Z: 10.4       6.4           25.9  7.5  7.5      11.2 41.8 16.9  7.6      27.2      41.8  7.6 12.9 12.2 20.1
02Z:       8.1                27.4  7.5 17.3       9.9 31.4  9.0  6.4      33.7      31.4   B  16.3   B  17.0
03Z:                     10.6 26.3  6.6 21.0       8.4 26.6  8.0  6.5      22.4      27.0   B   7.8   B  20.8
04Z: 20.9      14.8 13.9 13.2 18.9  6.0 26.6       8.4 19.2 10.8   B       33.0      19.2   B  11.5  9.0 27.3
05Z: 22.9      20.8 19.6 15.3 21.0  6.5 27.9       9.0 17.0 11.2   B       35.2      17.0   B  22.6  9.6 28.6
06Z: 26.7  9.9 24.9 20.7 18.7 19.8 10.6 28.4       9.1  9.1 11.5 12.0      39.7       9.1   B    C  10.2 31.0
07Z: 26.6 14.3 23.8 22.4 18.2 11.4 18.2 29.6      10.8 14.5 10.8  8.4      51.1      14.5  5.8 27.0 10.8 33.8
08Z: 22.1 18.1 24.5      17.5 11.9 21.6 23.8      11.2 16.1 11.2 10.4      51.8      16.1  7.4 30.6 11.6 30.4
09Z: 24.8 20.9 24.9 21.8 16.8           27.0      10.5 12.4 10.4   B       47.5      12.6   B  31.3 11.9 30.3
10Z:      19.2      19.4 11.8  6.1      20.8      11.2  9.5 11.5   B       35.4       9.6 11.5   C  13.5 29.5
11Z: 25.1 17.5 21.4 14.8  7.8  5.6      15.0      15.3 10.2 11.7 13.2      29.4      10.2 20.2 26.6   B  26.7
12Z: 21.1      17.5 11.8       6.8      12.2      21.7 10.4 10.8   B       33.2      10.5 23.0 26.6  9.3 19.0
13Z: 16.4 15.5 12.9 10.2                10.2      22.8  9.8 10.9 18.5      28.8       9.6 22.7 27.3 17.7 17.4
14Z: 13.2 13.3       6.2                 8.2      23.5  7.8 14.2 25.2      23.1       7.9 23.4 22.9 22.8 20.3
15Z: 13.2            5.5       9.3                24.1  8.3 26.2 25.2      19.7 18.9  8.4 22.8   C  25.9 18.2
16Z:       7.1                 9.0                26.2  6.7 26.4 24.5      16.5 21.7  6.7 23.1 14.0 26.2 18.4
17Z:  8.9  6.8  6.4            9.3                28.4 17.5 30.0 22.4      13.6 22.1 17.5 22.4 10.9 28.7   A
18Z:  9.0       8.1            8.7                25.1      26.9 22.4      12.6 22.4      21.4 10.2 26.2  9.8
19Z:                                              26.4      26.6           12.2                11.9 26.9 10.1
20Z:                                              24.3      26.5 20.5 22.4  8.4           17.5 11.5 28.7 11.4
21Z:                                              25.3      24.3 17.8 24.5  6.5 24.5      14.6 10.8 28.2 11.7
22Z:                                              14.6      26.1 14.2 23.1 10.6 21.4      12.7 10.8 27.6 20.3
23Z:                                              13.5      25.1 10.9 24.1 24.5           12.2 12.2 22.9 20.7
===============================================
Estimated Average Global MUF(3000)F2: 17.37 MHz.


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

      BOU  TAO  ANC  CNV  PAL  SHE  OSA
     ---- ---- ---- ---- ---- ---- ----
00Z:  120  270  160  120  530
01Z:   73  390  150   89  410
02Z:   65  570  120   88  260
03Z:   62  720   93   85  160
04Z:   61  700   75   80  110
05Z:   62  630   65   83   82
06Z:   66  640   60   90   69
07Z:   62  670   59   99   76
08Z:   61  600   56  100   78
09Z:   63  440   55  100   51
10Z:   60  330   55  100   41
11Z:   57  280   54  100   36
12Z:   54  240   55  120   36
13Z:   49  190   55  180   31
14Z:       180   54  210   25
15Z:  110  180   53  230   24
16Z:  130  170   53  220   28
17Z:  150  130   63  230   71
18Z:  150  110  100  220  150
19Z:  170  110  130       240
20Z:  190  100  140       360
21Z:  180   99  150  220  430
22Z:  160  150  150  200  450
23Z:  140  220  140  140  580


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

ASH = Ashkhabad                  USSR                (N37E058)
MUR = Murmansk                   USSR                (N68E033)
SVE = Sverdlovsk                 USSR                (N56E061)
SAL = Salekhard                  USSR                (N66E066)
DIX = Dixon                      USSR                (N74E081)
MAG = Magadan                    USSR                (N60E151)
JUL = Juliusruh/Rugen            Germany             (N54E013)
TOM = Tomsk                      USSR                (N56E085)
POI = Poitiers                   France              (N46E000)
WAR = Warsaw                     Poland              (N52W021)
HIR = Hiraiso                    Japan               (N36E141)
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)
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

          SFD = Sudden Frequency Deviation
Typical S-SWF = Short Wave Fadeout with a sudden dropout.
   Slow S-SWF = Short Wave Fadeout with a slow dropout of 5 to 15 minutes
                and a gradual recovery
        G-SWF = Short Wave Fadeout with fade irregular in dropout and
                irregular in recovery
          SEA = Sudden Enhancement of Atmospherics
        SPA-A = Sudden Phase Anomaly with Phase Advance
         SCNA = Sudden Cosmic Noise Absorption
          SES = Sudden Enhancement of signal 0.15 to 200 KHz
        SPA-R = Sudden Phase Anomaly with Phase Retardation


     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.


