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From: oler@rho.uleth.ca (Cary Oler)
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Subject: Daily Summary of Ionospheric Data for 11 August
To: solar-daily@lut.fi
Date: Thu, 12 Aug 93 1:51:27 MDT
X-Mailer: ELM [version 2.3 PL11]
Reply-To: SOLAR-DAILY Distribution List <solar-daily@lut.fi>
X-Sequence: 944
Status: OR

                    ---------------------------------------
                    DAILY IONOSPHERIC SUMMARY FOR 11 AUG 93
                    ---------------------------------------


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

     MUR  DIX  ASH  TOM  SAL  KHA  MAG  JUL  BOU  GOO  EIE  TAO  RAM  ARG  BER  NIC  DYS  LEA  TOW
     ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---
00Z:                3.0                 2.8  3.3  2.9  2.8  3.3  2.6  3.5  2.7  3.0       3.6  3.4
01Z:           2.9  2.9  2.7            2.8  3.3  2.9  3.1  3.3  2.9  3.0  3.4  3.0       3.3
02Z: 3.1       3.4  3.1  3.0            2.8  3.5  3.3  2.8  3.0  3.1  3.0  3.2  3.1       3.4  3.3
03Z:           3.3            2.7            3.4  3.0  3.1  3.0  3.1  2.8  3.2  3.5       4.2  3.3
04Z:           3.0  2.9  3.0  2.9       3.3  3.5  2.4  3.0  3.2  2.9  3.0  2.9  3.5       3.4  3.2
05Z:           3.1  2.9  2.9  2.6       3.3  3.4  2.5  3.0  3.3  2.7  2.6  3.1            3.3
06Z:           3.0       3.0       3.0  3.4  3.2  2.2  3.0  3.1  2.9   B   3.2            3.5
07Z:           3.1       3.1       3.2  3.0  3.3  2.8  2.8  3.0  2.8  2.5  3.2            3.0  3.3
08Z: 2.8       3.1       3.0  3.0  3.0  3.1  3.1  2.9   A   3.1  2.9  3.2  2.7            3.3
09Z:           3.0       3.1  3.2  3.2       3.1  3.4  2.8  3.1  2.9  3.5  4.1            3.9
10Z:      2.9  2.9       3.0  3.1  3.0       3.0  3.3  2.7  3.1  3.0  3.0  3.1            3.7
11Z:      2.9  2.9            2.9  3.0       3.1  3.2   A   3.4  3.4   A   3.3            3.5
12Z: 3.1  3.2  3.0  3.2  3.1  2.7  3.2       3.2  3.5  2.8   I   3.3  3.5   A             3.2  2.1
13Z: 3.1  3.1       3.4  3.1  3.1  3.1       3.2  3.3  2.9  3.1  3.3   A   2.7       3.1  2.8
14Z: 3.2  3.1  3.3  3.2  3.2  3.1  3.0            2.7  3.0  2.8  3.3   A    A        3.4  3.0
15Z:      3.1  2.9  3.1  3.2  3.0                 2.7  2.7  2.7  2.8  3.8  3.0       3.4  3.1
16Z:      3.1       3.0  3.2  2.7  3.0            3.1       2.9                 3.0       2.9
17Z:      3.1  3.2  3.0  3.1  2.8  3.0            3.4  2.7  3.1  2.9  3.0  3.0  3.0       3.2
18Z:      3.0  3.0  3.1  3.1       3.2            2.9  2.9  3.1  3.0   B   3.0  3.2       3.6  3.2
19Z:                                              3.0  2.9  3.2  2.9  3.0  3.0  3.2  3.1  3.4
20Z:                                              2.9  3.0  3.1  3.1  3.1  3.1  3.2  2.8  3.1
21Z:                                              3.0  2.9  3.0  3.1  3.1  3.1  3.4  3.0  3.0  3.7
22Z:                                              3.0  3.0  3.4  3.0  2.9  3.4  3.1  3.0  3.5  3.7
23Z:                                              2.9  3.0  3.7  2.7  3.0  3.5  3.1  3.3  3.5
=========================================
Estimated Average Global M(3000)F2:  3.09.


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

     MUR  DIX  ASH  TOM  SAL  KHA  MAG
     ---  ---  ---  ---  ---  ---  ---
00Z: 1.0  1.4       1.2
01Z: 1.0       2.0  1.0  1.0       1.2
02Z: 1.0  3.0  1.6  1.0  1.0  1.3  1.0
03Z: 1.0  1.8  1.8            1.3  1.2
04Z: 1.2  1.6  1.8  1.3  1.0  1.2  1.0
05Z: 1.0  1.0  2.1  1.5  1.0  1.3  1.0
06Z: 1.2  1.3  2.0       1.0       1.0
07Z: 1.1  1.2  1.7       1.0  1.3  1.0
08Z: 1.2  1.2  2.8       1.0  1.2  1.0
09Z: 1.0  1.3  1.6       1.0  1.1  1.0
10Z: 2.6  3.0  2.0       1.0  1.1  1.0
11Z: 2.2  1.6  2.0       1.0  1.1  1.0
12Z: 2.0  1.4  1.9  1.0  1.0  1.1  1.0
13Z: 1.8  1.8       1.0  1.0  1.1  1.0
14Z: 1.0  1.5  2.0  1.0  1.0  1.1  1.0
15Z:      1.4  2.0  1.0  1.0  1.2  1.0
16Z:      1.5       1.0  1.0  1.1  1.0
17Z:      1.5  1.6  1.0  1.0  1.3  1.0
18Z:      1.5  1.5  1.0  1.0       1.0
19Z:
20Z:
21Z:
22Z:
23Z:


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

     MUR  DIX  ASH  TOM  SAL  KHA  MAG
     ---  ---  ---  ---  ---  ---  ---
00Z: 5.0  4.1       2.3
01Z: 4.5            3.5  3.3       3.4
02Z: 3.0       2.4  3.0       8.0  3.2
03Z:      3.3  3.0            6.1  3.3
04Z:           3.5  5.3       4.2  3.2
05Z:           8.2  4.0       3.9  3.3
06Z:           4.2                 3.2
07Z: 4.5       4.1            9.0  3.3
08Z: 3.4  3.2  4.7            7.2  6.3
09Z: 3.6       3.9       3.0  3.0  3.0
10Z:           3.7       3.0  3.0  1.4
11Z: 3.6  3.1            5.3  6.4  1.5
12Z: 3.4  3.3  3.7  4.7  4.0  6.2
13Z:      3.5       4.0  3.1  7.2
14Z: 4.5  2.8  2.9  5.0  3.0  3.8
15Z:      4.0       5.2  4.0  3.1
16Z:      2.5            2.3  3.0  2.2
17Z:      2.5  3.8  2.5  5.0       2.2
18Z:      3.0  4.0  2.9  5.0       3.0
19Z:
20Z:
21Z:
22Z:
23Z:


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

      MUR  DIX  ASH  TOM  SAL  KHA  MAG  JUL  POI  BOU  OTI  CAM  GOO  EIE  TAO  RAM  ARG  BER  NIC  DYS  LEA  TOW
     ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----
00Z:                 4.4                 4.2  5.7  6.3       6.2  5.5  5.3  6.4  3.9  5.9  4.0  4.2       6.7  6.9
01Z:            4.8  4.9  4.1       4.8  3.7  5.3  6.2       6.7  4.1  5.4  7.4  5.4  5.3  5.8  4.1       6.9
02Z:  3.6  4.3  5.5  5.1  4.3       4.6  3.6  4.7  6.7       6.5  2.6  5.2  6.5  5.7  4.6  5.3  3.9       7.1  6.9
03Z:  3.8  4.5  6.6            6.3  4.7   A   4.0  6.7       6.0  3.2  5.3  6.8  5.2  3.8  4.9  4.2       4.2  6.7
04Z:  4.0  5.0  7.2  5.4  5.1  5.8  4.8  3.5  4.0  5.8       7.4  3.1  5.2  8.1  4.4  3.1  4.9  4.2       7.0  7.1
05Z:  4.7  5.0  7.6  5.6  5.2  5.3  4.8  4.3  3.9  5.1       6.1  3.0  5.3  7.7  4.0  3.3  5.4            6.8
06Z:  4.9  5.0  8.0       5.4       5.0  5.0  4.7  4.1       6.3  3.4  7.3  7.1  4.1   B   5.7            6.4
07Z:  5.2  4.8  7.6       5.6       5.0  5.3  4.7  3.6       6.7  2.7  4.1  7.5  3.9  2.4  4.7            7.2  6.5
08Z:  5.3  5.0  7.4       5.4  5.5  5.7  5.6       3.1       5.5  2.7   A   8.2  3.6  2.9  4.2            7.0
09Z:  5.3  4.9  6.5       5.2  5.3  5.0            3.1       4.7  3.8  3.2  8.3  3.1  4.2  3.9            6.0
10Z:  5.2  5.0  6.7       5.3  5.9  5.4            3.1       4.5  4.3  3.6  9.0  3.8  4.5  5.1            5.2  3.4
11Z:  5.2  5.2  7.0            6.3  5.9            3.1       3.7  4.6   A   8.6  4.6   A   5.0            4.0  3.2
12Z:  5.3  5.3  6.9  5.5  5.3  6.4  5.7            3.3  4.3  3.3  4.6  4.0   I   8.2  4.6   A             2.9  3.2
13Z:  5.1  5.2       5.3  5.2  6.3  4.8            4.2  4.3  3.0  4.8  4.1  5.7  6.6   A   5.6       5.7  3.1
14Z:  5.3  5.0  5.8  5.6  5.2  6.0  3.8                 5.1  3.3  5.0  4.6  6.0  5.6   A    A        6.6  3.4  2.7
15Z:       5.0  5.5  6.1  5.3  4.5                      4.6  3.7  5.0  4.5  5.8  5.5  4.9  5.7       6.5  3.5  2.8
16Z:       5.0       6.0  5.2  4.3  3.0                 5.3  3.7  5.3       5.4                 6.4       3.5  3.6
17Z:       5.0  6.0  5.4  5.2  4.3  2.6                 5.2  3.7  4.9  5.1  5.3  5.7  4.9  6.0  7.4       3.9  3.6
18Z:       4.6  6.0  4.6  5.1       3.3                 5.3  3.2  5.2  5.3  4.8  5.8   B   6.0  7.8       4.0  2.8
19Z:                                                         3.2  5.2  5.4  4.8  5.8  5.4  6.5  7.5  6.3  3.3
20Z:                                                         3.2  5.2  5.3  4.4  5.7  5.2  6.4  6.5  6.2  2.9  3.7
21Z:                                                         4.7  5.2  5.0  4.2  5.7  5.3  6.3  5.7  6.3  3.0  5.7
22Z:                                                         5.7  5.3  5.1  5.4  5.6  5.5  6.6  4.8  6.8  5.0  6.0
23Z:                                                         6.0  5.6  5.1  8.1  5.5  6.3  6.6  4.8  6.9  5.5
=========================================
Estimated Average Global foF2:  5.13 MHz.


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

      MUR  DIX  ASH  TOM  SAL  KHA  MAG  JUL  BOU  GOO  EIE  TAO  RAM  ARG  BER  NIC  DYS  LEA  TOW
     ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----
00Z:                13.2                11.8 20.6 16.0 14.8 21.1 10.1 20.6 10.8 12.6      24.1 23.5
01Z:           13.9 14.2 11.1           10.4 20.4 11.9 16.7 24.4 15.7 15.9 19.7 12.3      22.8
02Z: 11.2      18.7 15.8 12.9           10.1 23.1  8.6 14.6 19.5 17.7 13.8 17.0 12.1      24.1 22.8
03Z:           21.8           17.0        A  23.0  9.6 16.4 20.4 16.1 10.6 15.7 14.7      17.6 22.1
04Z:           21.6 15.7 15.3 16.8      11.6 20.1  7.4 15.6 25.9 12.8  9.3 14.2 14.7      23.8 22.7
05Z:           23.6 16.2 15.1 13.8      14.2 17.4  7.5 15.9 25.4 10.8  8.6 16.7           22.4
06Z:           24.0      16.2      15.0 17.0 13.1  7.5 21.9 22.0 11.9   B  18.2           22.4
07Z:           23.6      17.4      16.0 15.9 11.8  7.6 11.5 22.5 10.9  6.0 15.0           21.6 21.4
08Z: 14.8      22.9      16.2 16.5 17.1 17.4  9.5  7.8   A  25.4 10.4  9.3 11.3           23.1
09Z:           19.5      16.1 17.0 16.0       9.7 12.9  9.0 25.7  9.0 14.7 16.0           23.4
10Z:      14.5 19.4      15.9 18.3 16.2       9.1 14.2  9.7 27.9 11.4 13.5 15.8           19.2
11Z:      15.1 20.3           18.3 17.7       9.5 14.7   A  29.2 15.6   A  16.5           14.0
12Z: 16.4 17.0 20.7 17.6 16.4 17.3 18.2      10.6 16.1 11.2   I  27.1 16.1   A             9.3  6.7
13Z: 15.8 16.1      18.0 16.1 19.5 14.9      13.6 15.8 11.9 17.7 21.8   A  15.1      17.7  8.7
14Z: 17.0 15.5 19.1 17.9 16.6 18.6 11.4           13.5 13.8 16.8 18.5   A    A       22.4 10.2
15Z:      15.5 16.0 18.9 17.0 13.5                13.5 12.2 15.7 15.4 18.6 17.1      22.1 10.8
16Z:      15.5      18.0 16.6 11.6  9.0           16.4      15.7                19.2      10.2
17Z:      15.5 19.2 16.2 16.1 12.0  7.8           16.7 13.8 16.4 16.5 14.7 18.0 22.2      12.5
18Z:      13.8 18.0 14.3 15.8      10.6           15.1 15.4 14.9 17.4   B  18.0 25.0      14.4  9.0
19Z:                                              15.6 15.7 15.4 16.8 16.2 19.5 24.0 19.5 11.2
20Z:                                              15.1 15.9 13.6 17.7 16.1 19.8 20.8 17.4  9.0
21Z:                                              15.6 14.5 12.6 17.7 16.4 19.5 19.4 18.9  9.0 21.1
22Z:                                              15.9 15.3 18.4 16.8 16.0 22.4 14.9 20.4 17.5 22.2
23Z:                                              16.2 15.3 30.0 14.9 18.9 23.1 14.9 22.8 19.2
===============================================
Estimated Average Global MUF(3000)F2: 15.84 MHz.


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

      BOU  TAO  ANC  CNV  PAL  SHE  OSA
     ---- ---- ---- ---- ---- ---- ----
00Z:  190       120
01Z:  170       110  330
02Z:  180       110  280
03Z:  160       110  210
04Z:  130       130  190
05Z:  110       120  170
06Z:   86       120  160
07Z:   79       110  160
08Z:   72  360   91  140
09Z:   71  360   75
10Z:       280   69
11Z:             68
12Z:             67  130
13Z:             57  180
14Z:             58  220
15Z:   59  100   62  220
16Z:   70  110   93  230
17Z:   67  110   82  260
18Z:   62  100  100  260
19Z:   67  100  110  250
20Z:   65  110  100  250
21Z:   67  120   88  240
22Z:   67  180   79  250
23Z:   69  210   78  260


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

MUR = Murmansk                   USSR                (N68E033)
DIX = Dixon                      USSR                (N74E081)
ASH = Ashkhabad                  USSR                (N37E058)
TOM = Tomsk                      USSR                (N56E085)
SAL = Salekhard                  USSR                (N66E066)
KHA = Khabarovsk                 USSR                (N48E135)
MAG = Magadan                    USSR                (N60E151)
JUL = Juliusruh/Rugen            Germany             (N54E013)
POI = Poitiers                   France              (N46E000)
BOU = Boulder CO                 USA                 (N40W105)
OTI = Ottawa                     Canada              (N45W076)
CAM = Camden                     Australia           (S34E151)
GOO = Goose Bay                  Canada              (N53W060)
EIE = Eielson AFB AK             USA                 (N64W147)
TAO = Taoyuan                    Taiwan              (N25E121)
RAM = Ramey AFB                  Puerto Rico         (N18W067)
ARG = Argentia                   Canada              (N48W053)
BER = Bermuda                    Bermuda             (N32W064)
NIC = Nicosia                    Cyprus              (N35E033)
DYS = Dyess AFB TX               USA                 (N32W099)
LEA = Learmonth                  Australia           (S21E115)
TOW = Townsville                 Australia           (S19E147)
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.


