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From: oler@rho.uleth.ca (Cary Oler)
Message-Id: <9311210500.AA21585@rho.uleth.ca>
Subject: Daily Summary of Ionospheric Data for 20 November
To: solar-daily@lut.fi
Date: Sat, 20 Nov 93 22:00:05 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 20 NOV 93
                    ---------------------------------------


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

HIR: Type = Slow S-SWF,  Importance=1+,  Start=0022Z, Max=0034Z, End=0058Z
     Time Accuracy not within 2 minutes,  Time Confidence=Fair


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

     MUR  ASH  SAL  DIX  MAG  SVE  TOM  WLP  MAU  VBG  GOO  TAO  CHU  KEA  ARG  BER  NIC  DYS  LEA
     ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---
00Z:      2.7            3.5            3.3  3.2  3.0   A   3.7       3.2  2.6  3.3  2.9  3.4  3.0
01Z:      2.9            3.6            2.8  3.3  3.4  2.9  3.6       3.4  3.0       3.4  3.5
02Z:      3.0  2.7       3.5       3.1  2.9  3.1  3.3   A   3.7       3.1   B   2.9  2.6  3.4
03Z:      3.2  3.2       3.6  2.9  3.5  3.1  3.6  3.8   A   3.5       3.6   B        3.6  3.1
04Z:      3.1  3.3       3.5  3.0  3.5  3.3  3.2   B        3.3       3.3            3.0   A
05Z:      3.0                 3.2  3.6  2.9  3.2  2.9   A   3.3       3.2   A        3.6   B
06Z:      3.0  3.3                 3.7  2.9  3.0  3.0   B   3.3       3.1   B   3.1  3.7  2.9
07Z:      3.0  3.3            3.3  3.3  2.9  2.8  2.8   B   3.3       2.9   B        3.7  2.6
08Z: 3.3  2.9  3.3            3.5  3.4  2.7  3.3  2.9   B   3.5       3.3   B   2.7  3.4   A
09Z: 3.5  3.1       3.0       3.4  3.5  2.9  3.5  2.9   B   3.6       3.6   B        3.5  2.7
10Z: 3.3       3.3  3.0       3.3  3.4  3.0  3.5  3.1   B   3.5       3.5  3.7  2.8  3.7  3.2
11Z: 3.3  3.0  3.1       3.0  3.4  3.3  2.9  3.1  3.2  3.2  3.1       3.1  3.6  3.3  3.6  3.2
12Z: 3.3  3.0  3.3  2.6       2.9  3.5  3.5  3.2  3.0  3.5  3.2       3.2  3.3       3.5  2.9
13Z: 3.3  3.1  3.3            3.2  3.4  3.7  3.1  3.1       3.3       3.1            3.6  3.4
14Z: 3.3  2.9  3.2                 3.2  2.6  3.6  3.4       3.2   B   3.6            3.8  3.7
15Z: 3.3  3.1  3.1            2.9       3.4  3.0  3.6       3.2  3.4  3.1            3.6  3.7
16Z: 2.9  3.0                           3.3  3.1  3.7       3.1  3.3  3.1            3.3  3.6
17Z:                                    3.3  3.4  3.4       3.1  3.2  3.4            3.3   A
18Z:                                    3.6       3.7  3.4  3.2  3.2       3.4       3.4  3.3
19Z:                                    3.3       3.2        F   3.3                 3.6  3.4
20Z:                                    3.3       3.4       3.5  3.3                 2.9  3.5
21Z:                                    3.4       3.3        F   3.2                 3.2  3.4
22Z:                                    3.2       3.4       3.4  3.1                 3.0  3.7
23Z:                                    3.3       3.5       3.7            2.6       3.1  3.5
=========================================
Estimated Average Global M(3000)F2:  3.25.


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

     MUR  ASH  SAL  DIX  MAG  SVE  TOM
     ---  ---  ---  ---  ---  ---  ---
00Z:      2.0            1.5  1.0
01Z:      2.0            1.6  1.0
02Z:      2.0  1.0       1.5       1.0
03Z:      2.0  1.5       1.5  1.8  2.0
04Z:      2.0  1.0       1.0  1.8  2.0
05Z:      2.0                 2.2  1.7
06Z:      2.0  3.0       1.0       1.9
07Z:      2.0  3.2       1.0  1.8  2.0
08Z: 2.3  2.0  3.4       1.0  1.0  2.1
09Z: 2.3  2.0       2.4  1.0  1.8  1.7
10Z: 2.4       3.0  2.5  1.0  1.8  1.2
11Z: 1.0  2.0  1.0       1.0  1.8  1.0
12Z: 1.2  2.0  1.0  1.0  1.0  1.0  1.2
13Z: 1.0  2.0  1.0  1.0  1.0  1.8  1.0
14Z: 1.0  2.0  1.0       1.0  1.8  1.3
15Z: 1.1  2.0  1.0       1.0  1.7
16Z: 1.0  2.0       1.0  1.0  1.8
17Z: 1.0  2.0       2.4       1.8
18Z:
19Z:
20Z:
21Z:
22Z:
23Z:


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

     MUR  ASH  SAL  DIX  MAG  SVE  TOM
     ---  ---  ---  ---  ---  ---  ---
00Z:      2.6            3.0  5.4
01Z:                     2.7  2.5
02Z:           2.9       2.6       3.0
03Z:      2.2            3.0
04Z:      3.2            2.4       2.4
05Z:      4.0                      3.4
06Z:                     2.2       3.4
07Z:      3.4            1.9  3.0  3.0
08Z:      3.5            2.5  3.0  2.9
09Z:      3.6            2.4  2.6  2.2
10Z:                     2.2  2.0  1.7
11Z:      3.9            1.5  2.3
12Z:      3.0       2.4       2.0
13Z:      3.7       2.8
14Z:      2.9
15Z:      2.9
16Z:      2.4
17Z: 2.4  2.3       8.0
18Z:
19Z:
20Z:
21Z:
22Z:
23Z:


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

      MUR  ASH  SAL  DIX  MAG  SVE  TOM  WLP  MAU  VBG  GOO  TAO  CHU  KEA  ARG  BER  NIC  DYS  LEA
     ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----
00Z:       4.2            6.7            4.4 15.5  8.9   A   8.3      15.5  3.1  4.4  3.0  5.8  5.5
01Z:       3.1            7.6            3.9 17.0  6.1  3.1  8.2      17.0  2.4       3.0  4.3
02Z:       3.0  2.5       7.5       3.5  3.8 14.8  4.8   A   8.3      14.8   B   4.7  3.3  3.5
03Z:       5.0  2.3       7.1  2.1  4.7  4.3 12.0  3.0   A   9.5      12.0   B        2.3  2.8
04Z:       6.2  3.0       7.0  4.0  5.6  4.6  9.0   B       10.0       9.0            2.5   A
05Z:       6.6                 5.5  6.6  3.5  5.5  2.2   A   9.0       5.5   A        4.5   B
06Z:       7.1  4.5                 6.6  3.4  3.3  2.5   B   9.5       3.3   B   3.9  8.7  2.6
07Z:       7.3  4.8            7.0  7.2  3.5  3.2  2.6   B  10.4       3.2   B        6.2  3.0
08Z:  3.7  8.2  5.6            7.7  7.0  3.9  3.8  2.9   B  12.6       3.8   B   4.0  7.1   A
09Z:  4.0  7.8       4.5       7.4  6.9  3.8  3.6  3.1   B  10.4       3.6   B        7.1  3.6
10Z:  4.3       5.7  3.6       6.4  5.9  3.4  2.8  3.1   B   7.0       2.8  2.6  4.1  6.7  3.7
11Z:  4.5  8.4  4.7       2.5  6.4  5.2  4.0  2.2  3.3  3.6  6.0       2.2  4.9  5.3  6.9  3.5
12Z:  4.1  7.6  4.3  3.9       5.5  4.9  6.1  2.6  3.1  4.8  7.5       2.6  5.5       6.0  3.5
13Z:  3.7  5.4  3.0            5.3  3.2  7.0  3.0  3.1       6.6       3.0            5.7  5.1
14Z:  2.9  3.8  2.1            3.3  2.4  6.1  2.6  4.2       5.6   B   2.6            5.2  6.7
15Z:  2.0  3.5  1.8            2.1       7.7  2.2  6.4       5.0  3.3  2.2            4.0  7.7
16Z:  1.5  3.2                 2.3       8.1  2.1  7.2       3.7  4.8  2.1            2.7  7.3
17Z:                           2.0       8.2  5.3  6.6       3.7  5.3  5.3            2.7   A
18Z:                                     7.9       7.9  6.6  3.9  5.3       7.3       2.7  7.2
19Z:                                     7.7       8.8        F   6.2                 2.6  8.4
20Z:                                     8.0       9.0       4.1  6.0                 2.4  8.7
21Z:                                     7.5       8.2        F   5.9                 2.2  7.8
22Z:                                     5.0       7.8       3.2  5.9                 2.7  7.2
23Z:                                     4.8       7.9       6.0            3.3       2.8  6.3
=========================================
Estimated Average Global foF2:  5.32 MHz.


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

      MUR  ASH  SAL  DIX  MAG  SVE  TOM  WLP  MAU  VBG  GOO  TAO  CHU  KEA  ARG  BER  NIC  DYS  LEA
     ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----
00Z:      11.3           23.4           14.5 48.8 26.7   A  30.7      49.6  8.1 14.5  8.7 19.7 16.5
01Z:       9.0           27.4           10.9 56.9 20.7  9.0 29.5      57.8  7.2      10.2 15.1
02Z:       9.0  6.8      26.2      10.8 11.0 45.9 15.8   A  30.7      45.9   B  13.6  8.6 11.9
03Z:      16.0  7.4      25.6  6.1 16.4 13.3 43.2 11.4   A  33.2      43.2   B        8.3  8.7
04Z:      19.2  9.9      24.5 12.0 19.6 15.2 29.2   B       33.0      29.7            7.5   A
05Z:      19.8                17.6 23.8 10.2 17.3  6.4   A  29.7      17.6   A       16.2   B
06Z:      21.3 14.8                24.4  9.9 10.1  7.5   B  31.4      10.2   B  12.1 32.2  7.5
07Z:      21.9 15.8           23.1 23.8 10.2  9.1  7.3   B  34.3       9.3   B       22.9  7.8
08Z: 12.2 23.8 18.5           26.9 23.8 10.5 12.5  8.4   B  44.1      12.5   B  10.8 24.1   A
09Z: 14.0 24.2      13.5      25.2 24.1 11.0 12.8  9.0   B  37.4      13.0   B       24.9  9.7
10Z: 14.2      18.8 10.8      21.1 20.1 10.2  9.8  9.6   B  24.5       9.8  9.6 11.5 24.8 11.8
11Z: 14.8 25.2 14.6       7.5 21.8 17.2 11.6  6.8 10.6 11.5 18.6       6.8 17.6 17.5 24.8 11.2
12Z: 13.5 22.8 14.2 10.1      16.0 17.1 21.4  8.3  9.3 16.8 24.0       8.3 18.1      21.0 10.2
13Z: 12.2 16.7  9.9           17.0 10.9 25.9  9.3  9.6      21.8       9.3           20.5 17.3
14Z:  9.6 11.0  6.7                 7.7 15.9  9.4 14.3      17.9   B   9.4           19.8 24.8
15Z:  6.6 10.8  5.6            6.1      26.2  6.7 23.0      16.0 11.2  6.8           14.4 28.5
16Z:  4.4  9.6                          26.7  6.5 26.6      11.5 15.8  6.5            8.9 26.3
17Z:                                    27.1 18.0 22.4      11.5 17.0 18.0            8.9   A
18Z:                                    28.4      29.2 22.4 12.5 17.0      24.8       9.2 23.8
19Z:                                    25.4      28.2        F  20.5                 9.4 28.6
20Z:                                    26.4      30.6      14.3 19.8                 7.0 30.4
21Z:                                    25.5      27.1        F  18.9                 7.0 26.5
22Z:                                    16.0      26.5      10.9 18.3                 8.1 26.6
23Z:                                    15.8      27.6      22.2            8.6       8.7 22.1
===============================================
Estimated Average Global MUF(3000)F2: 17.28 MHz.


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

      TAO  ANC  CNV  PAL  BOU  SHE  OSA
     ---- ---- ---- ---- ---- ---- ----
00Z:  270  240  160  670  150
01Z:  260  260  120  730   96
02Z:  290  250  110  580
03Z:  350        98  390   45
04Z:  410            210   36
05Z:  440            110   37
06Z:  460             74   37
07Z:  450             47   36
08Z:  400             47   34
09Z:  280             46   35
10Z:  180             37   36
11Z:  150             29   38
12Z:  150  240        28   37
13Z:  150  240        33   34
14Z:  110  240        39   56
15Z:  110             35   86
16Z:  110             36  100
17Z:  110             69  120
18Z:  110            130  150
19Z:  110            190  190
20Z:  110            260  200
21Z:  100            340  160
22Z:  140            370  160
23Z:  200            450  150


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)
HIR = Hiraiso                    Japan               (N36E141)
WLP = Wallops Island VA          USA                 (N37W075)
MAU = Maui HI                    USA                 (N20W157)
VBG = Vandenberg AFB CA          USA                 (N34W120)
GOO = Goose Bay                  Canada              (N53W060)
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)
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

          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.


