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From: oler@rho.uleth.ca (Cary Oler)
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Subject: Daily Summary of Ionospheric Data for 20 June
To: solar-daily@lut.fi
Date: Mon, 21 Jun 93 19:16:13 MDT
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Reply-To: SOLAR-DAILY Distribution List <solar-daily@lut.fi>
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Status: OR

                    ---------------------------------------
                    DAILY IONOSPHERIC SUMMARY FOR 20 JUN 93
                    ---------------------------------------


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

     MUR  ASH  SAL  TOM  DIX  KHA  MAG  VBG  GOO  EIE  TAO  RES  CHU  KEA  RAM  BER  NIC  DYS  LEA  EGL  JUL  UPS
     ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---
00Z:      2.8                           3.2  3.1  2.8  3.4   A        2.9       3.6  2.9  3.0       3.3  2.8  2.8
01Z: 2.8  3.2  3.0  2.5                 3.2  3.6  3.4  3.0   F        3.0       3.1  2.9  3.0       3.3  2.8  2.8
02Z:      2.9  2.5  2.7                 3.3  3.1  2.8  2.7   F        3.0       3.6  3.1  3.1       3.4  2.8  3.0
03Z:      2.9       2.8       2.8       3.0  2.9  2.9  2.7   F        3.1  3.2   A   3.2            3.3  2.9  2.8
04Z:                2.8                      2.5  2.9  2.9   F        3.3  3.1  3.4  3.1  3.0            3.1  2.5
05Z:           2.6  2.8                      2.7  3.0  2.8  3.1       3.4  3.1  3.0  3.2  3.1       2.9  2.7  2.8
06Z:      3.0  2.6  2.8       3.8             A   2.9  2.8            3.1  2.9   B   3.3  3.3       3.1  3.1
07Z:                3.0       3.1  3.0        A   3.1  3.0            2.9  2.9  3.0  3.2  2.9  3.3  2.8  3.1
08Z:      2.6       2.6       2.9  3.2       2.9  3.4  3.2            2.9  2.8   B   2.8  3.0   A   2.5  3.0
09Z:                3.1       3.0  3.0  2.6  2.9  3.4  3.2            2.8  3.1  3.2   A   2.8  3.1  2.6
10Z:                3.0       2.9  3.0  3.2  3.0  2.7  3.1            3.1       2.8   A   3.1  3.3  2.8
11Z:      2.9  3.1  3.2       2.9  3.0  2.8  2.9  2.9   A             3.2  3.2  3.5   A   3.3  2.8  3.0
12Z:      2.9  2.9  3.0            2.9  3.6  3.6  2.5   A              C   3.2  3.4   A   3.2  3.0  3.1
13Z:      2.9  2.8  3.1  2.8       3.1  3.3  2.9  2.9   A         R   3.0  3.0  3.5  3.0   A   2.9  3.0
14Z:      2.9  3.1  3.1  2.9  3.1       3.3  3.4  2.8   A         R    C   3.2  3.0  3.1  2.5  3.1  3.1
15Z:      2.8  3.1  3.2  2.9  3.0  3.2  2.8  2.6  2.6   A         R   3.0  3.1  3.1  3.2   A   2.9  2.9
16Z: 2.7  2.8  3.0  3.0  3.1  2.8  3.0  3.0  3.2  3.8   A        2.8  2.8  3.0  2.9  2.9  3.0  3.1  3.0
17Z: 3.1  2.8  3.1  2.9            3.0  2.9  2.7  3.5   F        2.7  3.1  3.0  3.0  3.0  3.4  3.0  2.9
18Z: 3.1  2.6  3.1                      3.7  2.9  2.7   F    F             2.8  3.0  3.2   A   3.1  3.0
19Z: 3.1  2.8  2.9  2.9       2.7       2.9   A   2.9   F         R        3.1  3.1  3.2  2.9   B   3.0
20Z: 3.1       2.8  2.9       2.9       2.9   A   2.9   F        2.8       2.5  3.0  3.1  3.1   B   3.0
21Z: 3.3  2.8  3.1  3.0  2.9  3.0       2.9  3.2  3.0   F        2.7       3.1  2.9  3.1  3.2   B   3.0
22Z: 3.3  2.8       2.9  3.0  2.9       2.9  2.9  3.0  3.3  2.9            2.9  3.2  2.9  3.1   B   3.0
23Z: 3.1  2.8  3.0  2.8       3.1       3.1  3.0   A   3.4   F             3.1  3.5  2.4  3.1   A   3.1
=========================================
Estimated Average Global M(3000)F2:  3.00.


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

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


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

     MUR  ASH  SAL  TOM  DIX  KHA  MAG
     ---  ---  ---  ---  ---  ---  ---
00Z:      2.8
01Z:      3.2       3.2            3.4
02Z:      3.2       3.6            3.5
03Z:      5.0       4.0  3.0  4.0
04Z: 3.4  8.2  3.3  4.0       4.2  3.9
05Z: 4.0   10  3.7  5.0  3.5  4.0  3.9
06Z:      6.0  3.8  5.6
07Z:           3.6  3.7       4.0  3.3
08Z:      7.0  3.5  3.6       5.2  3.0
09Z: 4.5       3.8            4.9  3.3
10Z: 4.1       3.8  4.1       4.7  2.9
11Z:      3.7                 3.6  2.5
12Z:      4.0                      2.0
13Z:      4.0       3.4  3.5       2.1
14Z:      4.1       4.0  4.0  2.3
15Z: 4.2  3.0  2.8  3.4  3.2
16Z:      3.0  4.0  2.9  2.6
17Z: 3.2  3.3  2.0  3.4            1.6
18Z:      3.4  3.6       6.2
19Z:      3.2       2.3  4.2  3.0
20Z:      4.8            4.0  3.3
21Z:                     3.6  4.3
22Z:                     3.8  5.0
23Z:      3.0  2.0       2.6  5.6


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

      MUR  ASH  SAL  TOM  DIX  KHA  MAG  VBG  GOO  EIE  TAO  RES  CHU  KEA  RAM  BER  NIC  DYS  LEA  EGL  JUL  MNZ  BEI  CHQ  GUO  UPS
     ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----
00Z:       4.7                           6.3  6.4  5.1  7.2   A       11.3       4.6  5.9  6.4       6.6  4.8  4.0  5.5  7.6  6.8  4.0
01Z:  4.3  6.0  4.3  4.8            4.7  6.5  4.8  4.5  6.0   F       11.3       5.5  5.9  7.5       8.3  4.8       6.0  8.0       4.2
02Z:  4.2  5.9  4.4  4.6            4.9  6.2  4.2  5.1  6.1   F       11.5       4.9  5.8  8.0       8.8  4.2       5.3       6.6  4.0
03Z:  4.3  7.3  4.8  5.0  4.5  5.3       6.8  3.3  4.8  7.0   F       11.6  5.9   A   5.5            4.9  4.2  4.6  4.6  6.5       4.2
04Z:  4.8       4.8  5.2            4.7       2.9  5.1  8.2   F       11.8  5.3  4.9  6.9  5.6            4.4  4.4  4.8  7.5       4.3
05Z:  4.8       5.0  5.2  4.5       4.8       2.3  5.3  9.3  4.9      10.6  4.8  5.4  7.2  5.0       4.4  5.0  4.4  5.4  7.6       4.8
06Z:  5.0  7.4  5.1  5.3  5.0  5.2  4.8        A   4.8 10.5            8.3  4.6   B   7.5  3.5       4.4  5.4  5.1       9.0
07Z:  5.1       5.0  5.3  5.0  5.3  4.9        A   4.0 12.6            7.6  4.4  4.9  6.2  3.8  6.8  4.2  5.2  5.3  5.9 10.3
08Z:       8.0  5.2  5.2       5.2  5.0       4.1  4.5 13.4            7.4  3.9   B   6.3  3.9   A   4.9  5.7  5.5  6.0 11.0
09Z:  5.2       4.8  5.3       5.6  4.9  6.6  4.4  5.8 13.6            7.1  3.4  4.5   A   3.7  5.5  4.1  5.6  5.3  6.2 10.3  8.8
10Z:  5.4       5.1  5.3       5.2  5.5  4.2  5.1  4.6 11.0            6.8       5.2   A   3.8  2.8  3.6  6.4  6.0       8.8  9.2
11Z:  5.0  7.1  5.0  5.3       5.5  6.1  4.4  5.0  4.5   A             6.3  4.4  5.9   A   3.4  2.8  5.2  5.9  5.7  5.9  7.8 11.3
12Z:  5.0  7.3  4.9  5.1  5.0       6.6  4.1  5.2  4.7   A             5.6  5.5  6.3   A   4.4  2.8  5.9  5.8  5.3  6.7  9.0 11.8
13Z:  5.0  6.4  4.9  5.1  5.0       6.6  5.2  5.2  4.7   A         R   5.4  5.5  6.7  7.2   A   3.4  6.2   A        6.1  7.3
14Z:  4.9  6.8  4.9  5.3  5.0  6.5       4.8  5.0  4.7   A         R   5.4  5.9  6.2  7.2  5.3  3.4  6.8  5.6  7.0  6.2       5.6
15Z:  5.0  7.0  5.0  5.5  5.2  6.2  5.4  4.9  5.1  4.6   A         R   5.2  6.2  6.4  7.5   A   4.0  7.5  5.6  6.0  5.8  8.5  6.7
16Z:  4.9  7.0  5.0  6.0  5.0  6.0  4.6  5.8  5.3  8.2   A        5.2  6.0  5.9  6.1  6.8  7.3  3.8  8.5  5.6  6.6  5.7  7.5
17Z:  5.0  6.7  5.1  6.2            4.6  6.1  5.1  4.1   F        5.0  7.2  5.8  6.4  8.1  7.0  3.9  7.7  5.4       6.6  6.7  6.6
18Z:  5.0  5.8  5.1                      5.2  5.2  5.0   F    F             5.8  6.3  8.1   A   3.6  6.7   A   4.9
19Z:  5.0  6.0  4.9  5.2       5.2       6.4   A   5.1   F         R        5.9  6.4  7.9  6.8   B   8.1  5.8  4.7  5.2
20Z:  4.5       4.8  4.8       5.0       6.1   A   4.9   F        5.2       5.7  6.1  6.5  6.7   B   7.0  6.6  4.8  4.5  4.7
21Z:  4.2  5.0  4.7  4.4  5.0  5.3       6.4  5.3  5.3   F        5.2       5.6  7.3  6.1  6.6   B   6.5  6.6  4.7  5.1  4.1
22Z:  4.2  5.2       4.2  5.0  5.3       6.5  5.6  5.5  6.0  5.3            5.9  6.3  5.7  6.3   B   7.0  6.6  5.0  5.6  4.2  5.1
23Z:  4.2  4.4  4.5  4.6  4.6  5.7       6.1  5.9   A   6.8   F             5.8  5.6  5.4  6.5   A   6.8  5.7  5.5  6.4  5.4  4.9
=========================================
Estimated Average Global foF2:  5.77 MHz.


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

      MUR  ASH  SAL  TOM  DIX  KHA  MAG  VBG  GOO  EIE  TAO  RES  CHU  KEA  RAM  BER  NIC  DYS  LEA  EGL  JUL  UPS
     ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----
00Z:      13.2                          20.2 19.8 14.3 24.5   A       32.8      16.6 17.1 19.2      21.8 13.4 11.0
01Z: 12.0 19.2 12.9 12.0                20.8 17.3 15.3 18.0   F       33.9      17.0 17.1 22.5      27.4 13.4 11.8
02Z:      17.1 11.0 12.4                20.5 13.0 14.3 16.5   F       34.5      17.6 18.0 24.8      29.9 11.8 12.0
03Z:      21.2      14.0      14.8      20.4  9.6 13.9 18.9   F       36.0 18.9   A  17.6           16.2 12.2 12.0
04Z:                14.6                      7.2 14.8 23.8   F       38.9 16.4 16.7 21.4 16.8           13.6 10.8
05Z:           13.0 14.6                      6.2 15.9 26.0 15.2      36.0 14.9 16.2 23.0 15.5      12.8 13.5 13.7
06Z:      22.2 13.3 14.8      19.8             A  13.9 29.4           25.7 13.3   B  24.8 11.6      13.6 16.7
07Z:                15.9      16.4 14.7        A  12.4 37.8           22.0 12.8 14.7 19.8 11.0 22.4 11.8 16.1
08Z:      20.8      13.5      15.1 16.0      11.9 15.3 42.9           21.5 10.9   B  17.6 11.7   A  12.2 17.1
09Z:                16.4      16.8 14.7 17.2 12.8 19.7 43.5           19.9 10.5 14.4   A  10.4 17.0 10.7
10Z:                15.9      15.1 16.5 13.4 15.3 12.4 34.1           21.1      14.6   A  11.8  9.2 10.1
11Z:      20.6 15.5 17.0      16.0 18.3 12.3 14.5 13.1   A            20.2 14.1 20.6   A  11.2  7.8 15.6
12Z:      21.2 14.2 15.3           19.1 14.8 18.7 11.8   A              C  17.6 21.4   A  14.1  8.4 18.3
13Z:      18.6 13.7 15.8 14.0      20.5 17.2 15.1 13.6   A         R  16.2 16.5 23.4 21.6   A   9.9 18.6   A
14Z:      19.7 15.2 16.4 14.5 20.1      15.8 17.0 13.2   A         R    C  18.9 18.6 22.3 13.2 10.5 21.1
15Z:      19.6 15.5 17.6 15.1 18.6 17.3 13.7 13.3 12.0   A         R  15.6 19.2 19.8 24.0   A  11.6 21.8
16Z: 13.2 19.6 15.0 18.0 15.5 16.8 13.8 17.4 17.0 31.2   A       14.6 16.8 17.7 17.7 19.7 21.9 11.8 25.5
17Z: 15.5 18.8 15.8 18.0           13.8 17.7 13.8 14.3   F       13.5 22.3 17.4 19.2 24.3 23.8 11.7 22.3
18Z: 15.5 15.1 15.8                     19.2 15.1 13.5   F    F            16.2 18.9 25.9   A  11.2 20.1   A
19Z: 15.5 16.8 14.2 15.1      14.0      18.6   A  14.8   F         R       18.3 19.8 25.3 19.7   B  24.3
20Z: 13.9      13.4 13.9      14.5      17.7   A  14.2   F       14.6      14.2 18.3 20.1 20.8   B  21.0
21Z: 13.9 14.0 14.6 13.2 14.5 15.9      18.6 17.0 15.9   F       14.0      17.4 21.2 18.9 21.1   B  19.5
22Z: 13.9 14.6      12.2 15.0 15.4      18.9 16.2 16.5 19.8 15.4           17.1 20.2 16.5 19.5   B  21.0
23Z: 13.0 12.3 13.5 12.9      17.7      18.9 17.7   A  23.1   F            18.0 19.6 13.0 20.1   A  21.1
===============================================
Estimated Average Global MUF(3000)F2: 17.32 MHz.


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

      TAO  ANC  CNV  PAL  SHE  BOU  OSA
     ---- ---- ---- ---- ---- ---- ----
00Z:  220   51  220  380  190  150
01Z:  220   45  220  390  200  140
02Z:        37  190  400  200  150
03Z:        29  120  380  210  150
04Z:        31   81  360  240
05Z:        34   57  280  240
06Z:        38   58  220  200  120
07Z:        41   55  180
08Z:        45   60  160  180
09Z:        56   61  140  150  110
10Z:        43   52  140  160  110
11Z:        33   71  120  160  110
12Z:  250   17  120  100  160  120
13Z:  230   27  170   81  160  150
14Z:  160   44  220   79  160  170
15Z:  150   57  260   78  180  200
16Z:  110   76  270   82  170  210
17Z:  120   90  260  150  150  240
18Z:  110  100  250  190  130  240
19Z:  110  100  250  240  130  220
20Z:  110   99  230  270  130  210
21Z:  130   83  210  320  130
22Z:  190   72  190       150  230
23Z:  200   52  200  410  180  220


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

MUR = Murmansk                   USSR                (N68E033) (GOES-3)
ASH = Ashkhabad                  USSR                (N37E058)
SAL = Salekhard                  USSR                (N66E066)
TOM = Tomsk                      USSR                (N56E085)
DIX = Dixon                      USSR                (N74E081)
KHA = Khabarovsk                 USSR                (N48E135)
MAG = Magadan                    USSR                (N60E151)
VBG = Vandenberg AFB CA          USA                 (N34W120)
GOO = Goose Bay                  Canada              (N53W060)
EIE = Eielson AFB AK             USA                 (N64W147)
TAO = Taoyuan                    Taiwan              (N25E121)
RES = Resolute Bay               Canada              (N74W094)
CHU = Churchill                  Canada              (N58W094)
KEA = Keakawapu HI               USA                 (N20W156)
RAM = Ramey AFB                  Puerto Rico         (N18W067)
BER = Bermuda                    Bermuda             (N32W064)
NIC = Nicosia                    Cyprus              (N35E033)
DYS = Dyess AFB TX               USA                 (N32W099)
LEA = Learmonth                  Australia           (S21E115)
EGL = Eglin AFB FL               USA                 (N30W086)
ANC = Anchorage AK               USA                 (N61W150)
CNV = Cape Canaveral FL          USA                 (N28W080)
PAL = Palehua HI                 USA                 (N21W158)
SHE = Shemya AK                  USA                 (N52E174)
BOU = Boulder CO                 USA                 (N40W105)
JUL = Juliusruh/Rugen            Germany             (N54E013)
MNZ = Manzhouli                  China               (N49E117)
BEI = Beijing                    China               (N40E116)
CHQ = Chongqing                  China               (N29E106)
GUO = Guangzhou                  China               (N23E113)
UPS = Uppsala                    Sweden              (N60E018)
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.


