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From: oler@rho.uleth.ca (Cary Oler)
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Subject: Daily Summary of Ionospheric Data for 28 June
To: solar-daily@lut.fi
Date: Tue, 29 Jun 93 2:30:37 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 28 JUN 93
                    ---------------------------------------


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

     MUR  ASH  SAL  TOM  DIX  KHA  MAG  JUL  UPS  MAU  VBG  GOO  EIE  TAO  RES  CHU  KEA  RAM  ARG  BER
     ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---
00Z: 2.6       2.8  2.9       2.6  2.8  2.7       2.6  2.9  3.0  3.3  3.6  2.9       2.6  3.1   B    A
01Z: 2.7       2.6  2.7            2.9  2.7       2.6  2.9  2.8  2.9  2.9   F        2.6  3.1   B    B
02Z: 2.6       2.7  2.8       3.0  3.0  2.8       2.8  2.9  2.9  3.0  3.0   F        2.8  3.1   B   3.3
03Z: 2.7       2.6  2.6       2.9  2.9  3.1  2.8  3.2  3.4  3.0  2.9  3.2   F        3.0  3.5   B   3.2
04Z:      3.0  2.3  2.9       2.6  2.8  2.7  2.6  3.2  2.6  2.9  2.8  3.0  2.9       3.2  2.8   B   3.2
05Z:      2.8  2.7  2.8       3.0  2.8  2.9  2.8  3.1  2.9  3.1  3.0   I    F        3.1  2.9   B    A
06Z:           2.8            3.0  2.8   C        3.0  3.1  3.2  3.0  2.7            3.0  2.9   B   3.7
07Z: 2.7       3.0  2.9       2.8  2.8  2.9       2.8  3.3  3.0  3.1   A             2.8  3.1   B   3.6
08Z: 2.7  2.8  3.0  2.9       2.8  3.2  3.0       3.0  3.2  3.1  2.9   A             3.0  2.9   B   3.3
09Z:      2.8  2.7  2.9  2.8  2.8  3.0            2.7  3.1  3.1  3.0  3.0            2.7  3.0   B   3.3
10Z:      2.6  3.0  3.0  2.6  2.8  2.8            3.0  2.9  3.0  3.5  3.1            3.0  3.0   B   3.5
11Z: 2.8  2.7  3.1  2.9  2.8  2.7  3.0            3.1  2.8  2.7  3.0  3.1            3.1  3.2   B   3.6
12Z:      2.8  3.0  3.0  2.9  2.8  2.8            3.1  3.1  3.3  2.8  2.9            3.1  3.0   B   2.8
13Z:           2.8  3.3  2.9  2.9  2.9            3.2  2.9  3.4  2.6  2.8       2.8  3.2  2.8   B    A
14Z: 3.0       3.1            2.8                 2.9  3.0  3.4  2.5  2.9       2.9  2.9   A    B    A
15Z: 3.0  2.1  3.1  2.9       3.0  3.0            2.8  2.9  3.2  2.9  2.8       2.8  2.9  2.9   A   3.2
16Z:      1.2  3.2  3.0  2.9  2.7  3.2            3.0  3.0  2.8  2.5  2.9       2.8  3.0  2.8   B   3.0
17Z: 2.9  2.5  3.1  2.9       2.7  2.8            3.2  3.3  3.2  2.7  2.9       2.8  3.2  3.0   B   3.3
18Z:                               2.9                 2.9  3.0  2.8   F        2.0        A    B    A
19Z:                                                   2.9  2.9  2.7   F         F        2.9   B   3.2
20Z:                                                   3.1  3.0  2.7  3.1       2.7       2.9   B   3.4
21Z:                                                   3.0  2.9  2.8   F        2.8       3.0   B   3.0
22Z:                                                   3.1  2.9  2.8  3.2   F             3.0   B    A
23Z:                                                   3.0  2.9  2.8  3.3   F             3.4  3.1  3.5
=========================================
Estimated Average Global M(3000)F2:  2.93.


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

     MUR  ASH  SAL  TOM  DIX  KHA  MAG
     ---  ---  ---  ---  ---  ---  ---
00Z: 1.0       1.0  1.2  1.0  1.4  1.0
01Z: 1.0       1.0  1.3  1.0       1.1
02Z: 1.0       1.0  1.2  1.0  1.6  1.2
03Z: 1.0       1.0  1.5  1.0  1.3  1.0
04Z: 1.0  2.0  1.0  1.3  1.0  1.3  1.0
05Z:      2.3  1.0  2.2  1.0  1.2  1.0
06Z: 1.0  2.1  1.0       1.0  1.1  1.0
07Z: 1.0  2.3  1.0  1.5  1.0  1.2  1.0
08Z: 1.0  2.2  1.0  1.2  1.0  1.1  1.0
09Z: 1.0  2.8  1.0  1.2  1.0  1.1  1.0
10Z: 1.3  1.8  1.0  1.0  1.0  1.0  1.0
11Z: 1.0  2.1  1.0  1.0  1.0  1.0  1.0
12Z:      2.0  1.0  1.0  3.0  1.0  1.0
13Z: 1.8       1.0  1.0  1.0  1.0  1.0
14Z: 1.3       1.0            1.1
15Z: 1.3  2.9  1.0  1.1       1.1  1.0
16Z:      3.1  1.0  1.0  1.0  1.1  1.0
17Z: 1.2  3.1  1.0  1.0  1.8  1.0  1.0
18Z:                     1.0       1.0
19Z:
20Z:
21Z:
22Z:
23Z:


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

     MUR  ASH  SAL  TOM  DIX  KHA  MAG
     ---  ---  ---  ---  ---  ---  ---
00Z: 4.2            3.2  2.9  4.9  4.0
01Z:                3.4  3.0       4.0
02Z:                5.4  3.2  7.1  4.0
03Z:                4.5  3.5  5.4  4.1
04Z:      3.9  3.5  5.8       6.5  4.3
05Z:      5.1  4.8  6.0       3.9  3.8
06Z:      6.0  4.1            3.8  3.8
07Z:      7.2  5.0  4.3       4.1  4.5
08Z: 5.0  6.5  4.8  4.1  3.5  3.5  4.2
09Z: 4.6  7.0  4.9  3.7  3.3  5.7  5.2
10Z:      7.0  4.1  3.3       6.1  5.1
11Z:      5.9  3.7  4.0  3.4  5.0  2.1
12Z:      5.2  3.3  4.6       3.5  1.9
13Z:                5.9       4.6  1.9
14Z:                          3.0
15Z:      3.6  3.1  3.2       2.8
16Z:      3.1  3.0  4.0       3.2
17Z:      2.8  5.0  5.9  4.0  2.0
18Z:                     3.6
19Z:
20Z:
21Z:
22Z:
23Z:


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

      MUR  ASH  SAL  TOM  DIX  KHA  MAG  JUL  UPS  POI  OTI  MAU  CAM  VBG  GOO  EIE  TAO  RES  CHU  KEA  RAM  ARG  BER
     ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----
00Z:  4.5       4.7  5.3  5.0  6.0  5.6  6.2  5.1  6.6      10.0  7.9  6.3  6.4  4.9  7.7  5.4      10.0  7.9   B    A
01Z:  4.8       5.0  5.3  5.0       5.6  6.0  4.6  6.1      10.5  7.0  6.2  6.9  5.4  6.8   F       10.5  7.0   B    B
02Z:  5.0       5.2  5.5  5.0  6.6  5.6  5.0  4.6  5.8      11.5  7.0  7.1  6.6  5.7  7.5   F       11.5  6.9   B   5.6
03Z:  5.3       5.3  5.7  5.2  6.3  5.4  5.0  4.8  5.3      12.2  8.1  7.2  5.8  5.5  7.5  5.6      12.6  4.2   B   5.4
04Z:  5.3  8.5  5.2  6.0  5.1  5.8  5.4  5.4  5.2  5.1      12.2       7.3  5.5  5.4  7.1  5.5      12.2  6.3   B   5.5
05Z:       7.2  5.4  5.0  5.2  6.0  5.6  5.7  5.6  6.1      10.3  6.8  7.2  4.7  5.7   I    F       10.3  5.9   B    A
06Z:  5.4       5.0       5.5  5.8  5.8   C        7.1       8.8  7.1  7.8  3.8  5.5  7.5            8.8  5.8   B   5.9
07Z:  5.8       5.6  6.4  5.5  6.0  5.7  6.2       6.8       8.8  6.1  6.3  4.1  5.7   A             8.8  5.3   B   6.2
08Z:  5.9  9.3  6.0  6.3  5.5  6.3  5.9  6.3                 8.6  4.4  5.4  4.6  5.5   A             8.6  4.6   B   5.8
09Z:  5.7  9.3  5.8  6.4  5.8  5.9  5.8                      7.9  3.8  5.3  4.8  4.9  9.0            7.9  4.5   B   5.8
10Z:  5.8  9.3  5.6  6.3  5.5  6.2  6.1                      7.9  3.9  5.0  5.1  3.9  9.4            7.9  5.1   B   6.2
11Z:  5.8  9.0  5.7  6.2  5.6  7.4  6.3                      7.5       5.1  5.1  5.5  9.2            7.5  6.5   B   5.5
12Z:       8.4  5.8  6.4  5.5  7.6  7.0                 5.9  6.5  4.5  5.5  5.2  5.6  7.1            6.5  6.7   B   5.7
13Z:  5.5       5.6  6.5  6.0  7.9  7.4                 5.6  5.7  4.0  5.6  5.2  5.9  7.1       5.4  5.7  5.8   B    A
14Z:  5.8       5.7            7.4                      5.6  4.7       6.9  5.3  5.9  6.9       5.8  4.7   A    B    A
15Z:  5.4  6.9  5.7  6.2       6.7  6.7                 5.3  4.8  3.6  7.5  5.6  6.3  6.7       5.8  4.6  6.4   A   6.8
16Z:       7.2  5.7  6.6  5.6  6.3  6.3                 5.7  4.7  3.7  8.0  5.7  5.8  6.5       5.8  4.7  6.6   B   6.8
17Z:  5.8  7.0  5.6  6.8       6.4  5.6                 5.7  6.6  3.8  8.2  5.5  6.4  6.4       3.6  6.6  6.8   B   6.6
18Z:                                5.7                 5.5       4.0  7.4  6.0  6.1   F        5.8        A    B    A
19Z:                                                              4.5  7.7  5.9  6.1   F         F        6.8   B   7.1
20Z:                                                              2.7  8.2  5.6  6.1  5.9       5.7       6.4   B   7.1
21Z:                                                              4.3  8.9  5.9  6.4   F        5.6       6.6   B   8.6
22Z:                                                              6.7  7.1  5.8  6.1  6.5   F             6.8   B    A
23Z:                                                              6.6  6.8  6.3  6.2  7.1   F             6.7  5.8  6.7
=========================================
Estimated Average Global foF2:  6.26 MHz.


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

      MUR  ASH  SAL  TOM  DIX  KHA  MAG  JUL  UPS  MAU  VBG  GOO  EIE  TAO  RES  CHU  KEA  RAM  ARG  BER
     ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----
00Z: 11.7      13.2 15.4      15.6 15.7 16.7      26.0 18.3 19.2 16.2 27.7 15.7      26.0 24.5   B    A
01Z: 13.0      13.0 14.3           16.2 16.2      27.3 18.0 19.3 15.7 19.7   F       27.3 21.7   B    B
02Z: 13.0      14.0 15.4      19.8 16.8 14.0      32.2 20.6 19.1 17.1 22.5   F       32.2 21.4   B  18.5
03Z: 14.3      13.8 14.8      18.3 15.7 15.5 13.2 39.0 24.5 17.4 16.0 24.0   F       37.8 14.7   B  17.3
04Z:      25.5 12.0 17.4      15.1 15.1 14.6 13.5 39.0 19.0 16.0 15.1 21.3 16.0      39.0 17.6   B  17.6
05Z:      20.2 14.6 14.0      18.0 15.7 16.5 15.4 31.9 20.9 14.6 17.1   I    F       31.9 17.1   B    A
06Z:           14.0           17.4 16.2   C       26.4 24.2 12.2 16.5 20.2           26.4 16.8   B  21.8
07Z: 15.7      16.8 18.6      16.8 16.0 18.0      24.6 20.8 12.3 17.7   A            24.6 16.4   B  22.3
08Z: 15.9 26.0 18.0 18.3      17.6 18.9 18.9      25.4 17.3 14.3 16.0   A            25.8 13.3   B  19.1
09Z:      26.0 15.7 18.6 16.2 16.5 17.4           21.3 16.4 14.9 14.7 27.0           21.3 13.5   B  19.1
10Z:      24.2 16.8 18.9 14.3 17.4 17.1           23.7 14.5 15.3 13.7 29.1           23.7 15.3   B  21.7
11Z: 16.2 24.3 17.7 18.0 15.7 20.0 18.9           23.2 14.3 13.8 16.5 28.5           23.2 20.8   B  19.8
12Z:      23.5 17.4 19.2 16.0 21.3 19.6           20.1 17.0 17.2 15.7 20.6           20.1 20.1   B  16.0
13Z:           15.7 21.4 17.4 22.9 21.5           18.0 16.2 17.7 15.3 19.9      15.1 18.2 16.2   B    A
14Z: 17.4      17.7           20.7                13.6 20.7 18.0 14.8 20.0      16.8 13.6   A    B    A
15Z: 16.2 14.5 17.7 18.0      20.1 20.1           13.7 21.8 17.9 18.3 18.8      16.2 13.3 18.6   A  21.8
16Z:       8.6 18.2 19.8 16.2 17.0 20.2           14.1 24.0 16.0 14.5 18.9      16.2 14.1 18.5   B  20.4
17Z: 16.8 17.5 17.4 19.7      17.3 15.7           20.8 27.1 17.6 17.3 18.6      10.1 21.1 20.4   B  21.8
18Z:                               16.5                21.5 18.0 17.1   F       11.6        A    B    A
19Z:                                                   22.3 17.1 16.5   F         F       19.7   B  22.7
20Z:                                                   25.4 16.8 16.5 18.3      15.4      18.6   B  24.1
21Z:                                                   26.7 17.1 17.9   F       15.7      19.8   B  25.8
22Z:                                                   22.0 16.8 17.1 20.8   F            20.4   B    A
23Z:                                                   20.4 18.3 17.4 23.4   F            22.8 18.0 23.4
===============================================
Estimated Average Global MUF(3000)F2: 18.36 MHz.


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

      BOU  TAO  PAL  SHE  OSA  CNV  ANC
     ---- ---- ---- ---- ---- ---- ----
00Z:  280  270  390  160       290  120
01Z:  270  270  430            290  110
02Z:  260  300  460  130       230  110
03Z:  270  320  500  130       170   95
04Z:  260  340  440  150       150   82
05Z:  230  350  360  150       130   83
06Z:  210  370  300  150       160   87
07Z:  190  410  250  120       130   90
08Z:  170  400  240  100        96   93
09Z:       390  200   92        93   98
10Z:  200  370  180   87        80   88
11Z:  200  280  160   84        82   72
12Z:  210  190  130   97       120   59
13Z:  250  160  110  110       190   57
14Z:  310  120   82  110       240   73
15Z:  350  110   76  120       250  110
16Z:  380  110   90  110       290  150
17Z:  380  110  150   84       310  180
18Z:  370  120  200   49       310  200
19Z:  350  110  250   23       320  200
20Z:  350  120  290  8.0       310  230
21Z:  340  150  310   16       290  230
22Z:  330  210  340   21       260
23Z:  290  240  380   60       240


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

MUR = Murmansk                   USSR                (N68E033)
ASH = Ashkhabad                  USSR                (N37E058)
SAL = Salekhard                  USSR                (N66E066)
TOM = Tomsk                      USSR                (N56E085)
DIX = Dixon                      USSR                (N74E081)
KHA = Khabarovsk                 USSR                (N48E135)
MAG = Magadan                    USSR                (N60E151)
BOU = Boulder CO                 USA                 (N40W105)
JUL = Juliusruh/Rugen            Germany             (N54E013)
UPS = Uppsala                    Sweden              (N60E018)
POI = Poitiers                   France              (N46E000)
OTI = Ottawa                     Canada              (N45W076)
MAU = Maui HI                    USA                 (N20W157)
CAM = Camden                     Australia           (S34E151)
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)
ARG = Argentia                   Canada              (N48W053)
BER = Bermuda                    Bermuda             (N32W064)
PAL = Palehua HI                 USA                 (N21W158)
SHE = Shemya AK                  USA                 (N52E174)
OSA = Osan AB                    Korea               (N37E127)
CNV = Cape Canaveral FL          USA                 (N28W080)
ANC = Anchorage AK               USA                 (N61W150)


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.


