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From: oler@rho.uleth.ca (Cary Oler)
Message-Id: <9308170459.AA28293@rho.uleth.ca>
Subject: Daily Summary of Ionospheric Data for 16 August
To: solar-daily@lut.fi
Date: Mon, 16 Aug 93 22:59:08 MDT
X-Mailer: ELM [version 2.3 PL11]
Reply-To: SOLAR-DAILY Distribution List <solar-daily@lut.fi>
X-Sequence: 954
Status: OR

                    ---------------------------------------
                    DAILY IONOSPHERIC SUMMARY FOR 16 AUG 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 : Unspecified or I/P,  Maximum Absorption: Unspecified.
     End of Event  : 0100Z


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

     MUR  ASH  DIX  MAG  SAL  TOM  KHA  JUL  BOU  GOO  EIE  TAO  KEA  ARG  BER  NIC  DYS  LEA
     ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---
00Z:      2.5                 3.4       2.8  3.1   A   2.6  3.0  2.9  3.7  4.0  2.7  3.1  3.1
01Z:                                    2.4       3.4  2.6  3.2  3.0   B    B   2.7  3.0  3.2
02Z:                     2.9            2.6       3.1  3.0  3.1  3.1  2.7  3.3  2.8  3.6  3.1
03Z:      3.2       3.0            2.5  2.7        A   2.7  3.1  3.2   B   3.4  2.8  3.0  3.1
04Z: 3.4  2.8  3.3            2.5  3.0             A   4.1  3.0  3.4  3.1  3.5  3.0  2.8  3.2
05Z: 3.5  2.5  3.3                 2.9             A   3.6  2.8  3.4   B   3.4  3.2  3.0  2.9
06Z:      3.2       2.6            2.7  2.5        A   3.9  3.0  2.9   B   3.0  3.5  3.1  3.1
07Z:      3.0  3.3  2.8  2.5  2.6  2.7             A   2.5  3.1  2.7   B   2.7  3.0  2.7  3.0
08Z:                3.0  2.5  2.9  2.9             A   4.0  3.1   F    A   2.9  3.0  3.0  3.2
09Z:                3.0       2.6  3.1             B    A   3.1   A    B    A   2.8  2.9  3.2
10Z:      3.2  3.3  2.8  2.6  2.9  2.9             B   4.3  3.1  3.0   A    A   3.0  2.7  3.9
11Z:      2.9       2.8       3.1  3.0            3.4  4.2  3.0  3.0  3.8   A   2.8  2.8  3.2
12Z:      3.0                 2.8  2.9             B    A   3.0  3.2   B    A   3.3  3.0  3.2
13Z:      3.0       2.4            2.8             B    B   3.2  3.4   B   4.1   C   3.1  3.1
14Z:      3.0       2.7                            A    B   2.5  2.8   B    A   3.3  3.3  2.9
15Z:      2.9                                      B    B    F   2.9   A   3.7  3.2  3.8  3.4
16Z:      2.6            2.5       3.2            3.5   B    F   2.7   A   3.8  2.9   A   3.3
17Z:                2.6                           3.8   A   2.7  2.8   A   3.6  2.3   A   4.1
18Z:                3.1                            A    B   3.0        A   3.9  3.2  3.3  3.6
19Z:                                               B    B   3.0        B   2.7  3.2  3.9  3.0
20Z:                                               A   3.3  2.7       2.7   A    A   2.7  2.7
21Z:                                               A    B   2.5        B   2.7   A   3.9  3.2
22Z:                                               A    B   3.3       3.0   A    A   2.6  3.8
23Z:                                               A   2.6  3.4        B   3.3  2.6  2.9  3.6
=========================================
Estimated Average Global M(3000)F2:  3.07.


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

     MUR  ASH  DIX  MAG  SAL  TOM  KHA
     ---  ---  ---  ---  ---  ---  ---
00Z: 1.4  2.0       1.2       1.0  1.1
01Z: 1.0       1.0  1.1       1.0  1.3
02Z: 2.0       1.0  1.2  1.0  1.0  1.4
03Z: 2.3  1.8  1.5  1.2  1.8  1.0  1.4
04Z: 2.4  1.8  1.2  1.2  1.7  1.3  1.3
05Z: 2.6  1.7  1.2  1.2  1.0  1.5  1.4
06Z:      2.0       1.1  3.2  1.3  1.2
07Z:      3.5  1.0  1.2  1.0  1.0  1.1
08Z: 2.5       1.2  1.1  1.0  1.0  1.2
09Z: 1.0       1.0  1.0  1.0  1.0  1.1
10Z:      2.2  1.2  1.2  2.0  1.2  1.1
11Z: 1.0  2.0  1.0  1.2  1.0  1.0  1.2
12Z: 1.0  2.0  1.0  1.4  1.0  1.0  1.3
13Z: 1.0  1.9       1.4  1.0       1.2
14Z: 1.0  2.0       1.6  1.0
15Z: 3.0  1.8       1.6  2.0
16Z: 1.5  1.5            1.8       1.1
17Z: 2.0            1.5  1.0
18Z:                1.2
19Z:
20Z:
21Z:
22Z:
23Z:


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

     MUR  ASH  DIX  MAG  SAL  TOM  KHA
     ---  ---  ---  ---  ---  ---  ---
00Z: 5.0            3.7            5.0
01Z: 4.2       2.8  3.6       2.2  6.0
02Z: 4.8       2.8            2.8  6.0
03Z: 4.2  3.1  4.2  3.4  3.0       4.1
04Z:      3.5       3.1       3.2  4.3
05Z:      3.8       3.9       3.2  3.5
06Z:      4.5       4.2       3.6  3.8
07Z:      5.0       3.0       3.3  3.5
08Z:           2.8  2.2            3.7
09Z: 5.3       3.0
10Z:      3.7  3.0            3.0  3.0
11Z:      3.9  4.2
12Z:           4.2       4.2  4.2
13Z: 4.3  3.4            4.3       2.8
14Z: 4.3  3.7       2.3  3.9
15Z: 4.2  4.0            4.6
16Z: 4.6  3.4            5.1       3.7
17Z: 4.4                 4.0
18Z:                2.0
19Z:
20Z:
21Z:
22Z:
23Z:


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

      MUR  ASH  DIX  MAG  SAL  TOM  KHA  JUL  POI  BOU  OTI  GOO  EIE  TAO  KEA  ARG  BER  NIC  DYS  LEA
     ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----
00Z:       4.4                 3.2       3.2  5.6  6.6        A   4.9  5.7 12.5  4.4  5.0  5.7  8.7  7.1
01Z:                                     3.1  5.4            9.2  5.6  7.0 12.7   B    B   5.1  8.3  8.9
02Z:                      5.0            2.5  4.4            5.0  6.2  6.6 12.5  2.5  6.7  5.1  7.8  8.2
03Z:       5.0       5.2            4.9  2.6  4.1             A   4.7  7.7 13.0   B   4.9  4.5  6.0  9.2
04Z:  3.4  4.8  3.8  4.8      14.5  6.4   A   4.2             A   4.6  6.5 12.9  2.4  5.3  4.4  5.3  8.3
05Z:  3.5  5.5  3.8  4.4            5.1   A   3.3             A   8.0  6.4  9.7   B   4.9  4.5  5.3  8.2
06Z:       5.5       4.9            5.4  4.2  3.1             A   5.1  8.3  8.3   B   4.3  4.8  4.5  8.2
07Z:       5.6  4.0  5.3  4.4  4.8  5.7  3.8  4.1             A   3.9  8.6  8.7   B   5.2  5.9  4.3  8.2
08Z:                 5.5  4.6  5.2  5.9  4.0                  A   6.7  8.8  8.7   A   3.5  6.2  4.0  8.7
09Z:                 5.6       4.7  6.0                       B    A   8.2  8.5   B    A   5.4  4.1  7.3
10Z:       7.4  3.8  5.0  5.0  5.2  7.0                       B   3.7  8.5  8.4   A    A   6.5  4.3  6.8
11Z:  4.6  6.7       3.4  4.3  5.2  7.4                      3.5  4.1  7.5  8.1  3.6   A   6.3  4.5  4.7
12Z:       6.0                 5.0  6.6                       B    A   7.4  7.8   B    A   6.8  4.3  5.0
13Z:       5.7       2.3            5.5                 3.8   B    B   5.2  6.5   B   4.1   C   3.8  4.7
14Z:       6.0       2.4                                      A    B   5.0  5.9   B    A   6.5  4.2  4.1
15Z:       5.6                                                B    B    F   6.1   A   4.3  6.1  4.1  3.3
16Z:       5.9            3.8       3.8                 4.1  4.5   B    F   2.3   A   4.4  5.8   A   5.6
17Z:                 2.6                                     4.2   A   4.7  5.8   A   4.9  7.9   A   3.2
18Z:                 2.8                                      A    B   4.7        A   4.4  6.0  4.8  4.0
19Z:                                                          B    B   4.5        B   5.3  4.8  4.3  3.4
20Z:                                                          A   4.0  3.7       5.7   A    A   5.0  3.3
21Z:                                                          A    B   3.4        B   4.8   A   4.2  3.8
22Z:                                                          A    B   5.2       4.7   A    A   5.1  6.3
23Z:                                                          A   5.5  5.6        B   4.5  4.5  5.4  5.8
=========================================
Estimated Average Global foF2:  5.53 MHz.


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

      MUR  ASH  DIX  MAG  SAL  TOM  KHA  JUL  BOU  GOO  EIE  TAO  KEA  ARG  BER  NIC  DYS  LEA
     ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----
00Z:      11.0                10.9       9.0 20.7   A  12.7 17.1 36.2 16.3 20.0 15.4 27.0 22.0
01Z:                                     7.4      31.3 14.6 22.4 38.1   B    B  13.8 24.9 28.5
02Z:                     14.5            6.5      15.5 18.6 20.5 38.8  6.8 22.1 14.3 28.1 25.4
03Z:      16.0      15.6           12.2  7.0        A  12.7 23.9 41.6   B  16.7 12.6 18.0 28.5
04Z: 11.6 13.4 12.5           36.2 19.2   A         A  18.9 19.5 43.9  7.4 18.6 13.2 14.8 26.6
05Z: 12.2 13.8 12.5                14.8   A         A  28.8 17.9 33.0   B  16.7 14.4 15.9 23.8
06Z:      17.6      12.7           14.6 10.5        A  19.9 24.9 24.1   B  12.9 16.8 13.9 25.4
07Z:      16.8 13.2 14.8 11.0 12.5 15.4             A   9.8 26.7 23.5   B  14.0 17.7 11.6 24.6
08Z:                16.5 11.5 15.1 17.1             A  26.8 27.3   F    A  10.2 18.6 12.0 27.8
09Z:                16.8      12.2 18.6             B    A  25.4   A    B    A  15.1 11.9 23.4
10Z:      23.7 12.5 14.0 13.0 15.1 20.3             B  15.9 26.3 25.2   A    A  19.5 11.6 26.5
11Z:      19.4       9.5      16.1 22.2           11.9 17.2 22.5 24.3 13.7   A  17.6 12.6 15.0
12Z:      18.0                14.0 19.1             B    A  22.2 25.0   B    A  22.4 12.9 16.0
13Z:      17.1       5.5           15.4             B    B  16.6 22.1   B  16.8   C  11.8 14.6
14Z:      18.0       6.5                            A    B  12.5 16.5   B    A  21.4 13.9 11.9
15Z:      16.2                                      B    B    F  17.7   A  15.9 19.5 15.6 11.2
16Z:      15.3            9.5      12.2           15.8   B    F   6.2   A  16.7 16.8   A  18.5
17Z:                 6.8                          16.0   A  12.7 16.2   A  17.6 18.2   A  13.1
18Z:                 8.7                            A    B  14.1        A  17.2 19.2 15.8 14.4
19Z:                                                B    B  13.5        B  14.3 15.4 16.8 10.2
20Z:                                                A  13.2 10.0      15.4   A    A  13.5  8.9
21Z:                                                A    B   8.5        B  13.0   A  16.4 12.2
22Z:                                                A    B  17.2      14.1   A    A  13.3 23.9
23Z:                                                A  14.3 19.0        B  14.8 11.7 15.7 20.9
===============================================
Estimated Average Global MUF(3000)F2: 16.97 MHz.


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

      BOU  TAO  ANC  CNV  PAL  SHE  OSA
     ---- ---- ---- ---- ---- ---- ----
00Z:                 400  500
01Z:            140  350  520
02Z:                 280  500
03Z:                 230  490
04Z:            120  190  460
05Z:            130  180  300
06Z:            150  170  240
07Z:       490  130  150  230
08Z:       530   78  150  250
09Z:             68       240
10Z:             56       250
11Z:       160   54  120  220
12Z:             51  120  200
13Z:       170   39  110  150
14Z:       130   35  110  120
15Z:   50  120   44  120  120
16Z:   67  120   60  140   99
17Z:   74  110   77  140  170
18Z:   83  120   90  150  230
19Z:   86        97  140  240
20Z:  130  100  110  150  220
21Z:  120  120  100  140  230
22Z:  140  200  100  130  230
23Z:  150  220  110  140  260


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

MUR = Murmansk                   USSR                (N68E033)
ASH = Ashkhabad                  USSR                (N37E058)
DIX = Dixon                      USSR                (N74E081)
MAG = Magadan                    USSR                (N60E151)
SAL = Salekhard                  USSR                (N66E066)
TOM = Tomsk                      USSR                (N56E085)
KHA = Khabarovsk                 USSR                (N48E135)
JUL = Juliusruh/Rugen            Germany             (N54E013)
POI = Poitiers                   France              (N46E000)
BOU = Boulder CO                 USA                 (N40W105)
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)
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.


