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From: oler@rho.uleth.ca (Cary Oler)
Message-Id: <9307201602.AA02779@rho.uleth.ca>
Subject: Daily Summary of Ionospheric Data for 18 July
To: solar-daily@lut.fi
Date: Tue, 20 Jul 93 10:02:12 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 18 JUL 93
                    ---------------------------------------


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

     MUR  ASH  SAL  TOM  DIX  KHA  MAG  VBG  GOO  TAO  RES  CHU  KEA  RAM  BER  DYS
     ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---
00Z: 3.1  3.2  3.1  3.3       3.2  3.2       3.1  3.2  2.9       2.8  3.0   B   3.2
01Z: 3.1       3.1  3.2  3.0  3.1  3.0  3.2  3.3   A    F        2.9  3.4  3.6  3.3
02Z: 3.1  3.2  3.1  3.1  3.0  3.0  3.2  3.0  3.2   A    F        3.0  3.0   B   2.9
03Z: 2.9       3.0  2.8  2.8       3.0  3.6  3.1   A   3.2       3.2  3.4   B   3.2
04Z: 3.1       2.9  3.2  2.8  2.8  3.2  3.0  3.0  2.8   F        3.3  3.2  3.1  3.4
05Z: 3.1  3.1  2.8  3.1       3.0       3.1  3.0  3.0  3.1       3.4  2.9   B   3.2
06Z: 2.8  3.0  3.1  3.1       1.9  3.0  3.3  2.7  2.8            3.3  3.0   B   3.2
07Z:      3.1       3.2  2.8       3.2  3.4  3.1  2.8            2.8  2.8   B   2.8
08Z:      2.8  3.0  2.9            3.2  3.2   B   3.0            2.7  2.9   B   2.9
09Z:      3.8  2.9  3.0  3.0  2.9  3.0  3.1  2.9  3.0            3.0  3.1   B   3.0
10Z:      2.5  3.0  2.9       3.0  3.0  2.9  3.3  3.1            3.1  3.5  3.6  3.0
11Z: 3.1  2.8  3.1  3.1  3.0  2.9  3.2  2.8  3.5  3.3            3.0  3.2  3.3  3.2
12Z:           3.3  3.3  3.1  2.9       3.5  3.4  3.5            3.3  3.5  3.4  3.2
13Z: 3.0  2.8  3.1  3.1       3.0       3.6  3.1  3.0       2.9  3.3  3.3  3.2  2.9
14Z: 3.0  2.9  3.1  3.2  3.5  3.2       3.2  3.2  3.0       2.9  3.3  3.2  3.1  3.0
15Z: 3.1  2.9  3.3  3.0  3.1  3.1       3.0  2.9  3.5       3.2  3.1  3.2  3.0  3.3
16Z: 3.0  3.0  3.3  3.0  3.0  3.1       2.8  3.2   F        3.0  3.2  3.6  3.2  2.9
17Z: 3.1  2.8  3.2       2.9  2.9       3.1  3.2  3.3       3.1  3.2  3.1   A   2.9
18Z: 3.1       3.2                       A   2.5   F    F             2.8  2.8  2.9
19Z:                                    3.0  2.9   F        3.0       2.9  2.9  3.0
20Z:                                    3.0  3.2   F        3.1       2.8  3.2  3.1
21Z:                                    3.0  3.0   F        3.1       3.0   A   2.9
22Z:                                    2.9  3.0  3.2   F             3.1  3.6  3.0
23Z:                                    3.2  3.1   A    F             2.9   B   3.3
=========================================
Estimated Average Global M(3000)F2:  3.08.


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

     MUR  ASH  SAL  TOM  DIX  KHA  MAG
     ---  ---  ---  ---  ---  ---  ---
00Z: 1.0  1.8  1.0  1.0  1.0  1.1  1.0
01Z: 1.0       1.0  1.0  1.0  1.2  1.0
02Z: 1.0  1.5  1.0  1.0  1.0  1.3  1.0
03Z: 1.0       1.0  1.1  1.0  1.4  1.0
04Z: 1.0       1.0  1.0  1.0  1.4  1.0
05Z: 1.0  2.0  1.0  1.2  1.2  1.3
06Z: 1.0  2.0  1.0  1.2  1.0  1.3  1.0
07Z: 1.0  1.9       1.0  1.0       1.0
08Z: 1.0  2.2  1.0  1.0  1.0  1.1  1.0
09Z: 1.0  2.2  1.0  1.4  1.0  1.2  1.0
10Z: 1.0  2.0  1.0  1.0       1.1  1.0
11Z: 5.0  2.0  1.0  1.3  3.0  1.0  1.0
12Z: 2.0  1.7  1.0  1.0  3.2  1.0
13Z: 1.0  1.8  1.0  1.0       1.5
14Z: 1.0  1.7  1.0  1.0  1.0  1.1
15Z: 1.0  2.0  1.0  1.0  1.0  1.1
16Z: 1.0  1.8  1.0  1.1  1.0  1.0
17Z: 1.0  1.8  1.0       1.8  1.2
18Z: 1.0       1.0       1.0
19Z:
20Z:
21Z:
22Z:
23Z:


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

     MUR  ASH  SAL  TOM  DIX  KHA  MAG
     ---  ---  ---  ---  ---  ---  ---
00Z: 4.8  2.4  3.0  1.4  5.4  4.8  7.1
01Z: 3.2       3.0  3.0  4.0  6.2  4.1
02Z: 4.5  2.4  3.4  3.1  4.4  5.8  4.1
03Z: 4.1       3.2  3.4  4.0  6.0  4.2
04Z: 5.5       3.4  3.6  3.5  4.8  4.0
05Z: 4.2  5.6  3.6  3.6       4.8
06Z: 4.2  5.2  3.7  2.5  3.8  4.0  3.3
07Z:      5.0       3.8  4.0       3.7
08Z:           3.0       3.3  5.4  3.5
09Z: 4.0  3.8  3.7  4.0  3.4  5.0  3.5
10Z:      4.2  4.8  3.5       5.0  3.5
11Z:      3.8  5.0  2.9       6.2  2.6
12Z:      4.2  3.6            3.1
13Z: 4.0  3.8  2.8
14Z: 4.0  2.5                 1.8
15Z:                     2.9  1.8
16Z: 3.5  2.5  2.1  2.4  3.2  2.0
17Z: 4.5  2.8  3.4       4.8  4.3
18Z: 2.6       6.0       6.0
19Z:
20Z:
21Z:
22Z:
23Z:


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

      MUR  ASH  SAL  TOM  DIX  KHA  MAG  VBG  GOO  TAO  RES  CHU  KEA  RAM  BER  DYS
     ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----
00Z:  5.3  5.0  5.1  6.0       7.0  5.3       6.9  8.7  5.8      10.6  6.9   B   6.7
01Z:  5.0       5.1  5.6  5.4  6.3  5.3  5.6  6.7   A    F       11.3  5.8  4.4  5.8
02Z:  5.3  6.0  5.5  5.7  5.6  6.3  5.7  5.9  5.6   A   5.8      11.6  6.5   B   6.0
03Z:  5.3       5.4  6.0  5.6  6.3  5.1  5.8  4.6   A   5.0      12.5  5.5   B   6.3
04Z:  5.5       5.5  6.5  5.6  6.0  5.5  6.2  4.1  9.2   F       12.4  4.7  5.4  5.2
05Z:  5.8  7.2  5.7  6.2  5.5  6.2       6.2  3.4  9.5  4.8      10.6  4.3   B   4.0
06Z:  5.4  8.1  5.8  6.4  5.5  5.5  5.2  6.1  3.1  9.2            8.6  4.2   B   3.9
07Z:  5.2  7.2       6.2  5.7       5.3  5.9  3.1  9.5            6.9  3.9   B   3.7
08Z:  5.8  7.2  6.0  6.0  5.5  5.5  5.3  5.1   B   8.8            7.3  3.5   B   3.5
09Z:  5.9  6.5  5.8  6.5  5.7  6.0  5.9  4.2  4.4  8.8            8.0  3.4   B   3.4
10Z:  5.9  6.3  6.0  6.1       6.6  6.5  4.1  5.0  9.0            8.1  4.3  5.8  3.5
11Z:  6.3  6.6  6.0  6.3  5.8  7.9  7.1  4.6  6.0  8.7            7.3  5.5  5.8  3.5
12Z:  5.8  6.5  5.7  6.0  5.6  7.9       5.0  5.1  6.5            7.5  5.6  6.1  4.5
13Z:  5.3  6.5  5.6  5.8       7.9       5.1  6.1  6.0       4.8  6.0  6.2  6.3  5.4
14Z:  5.4  6.8  5.3  5.6  5.2  6.9       5.8  5.6  6.4       5.1  5.1  6.1  6.5  6.7
15Z:  5.2  6.8  5.1  6.2  5.2  6.9       6.0  5.6  5.8       5.7  4.0  6.7  6.5  7.5
16Z:  5.0  7.0  5.0  6.6  5.0  5.9       7.1  5.9   F        5.5  4.1  6.1  6.0  7.0
17Z:  5.0  6.4  5.2       5.0  5.6       8.5  5.9  5.9       6.0  5.5  6.2   A   7.4
18Z:  5.3       5.6                       A   5.6   F    F             5.8  6.4  7.9
19Z:                                     7.6  5.7   F        6.0       5.8  6.6  7.7
20Z:                                     7.2  5.8   F        6.0       6.2  6.8  7.7
21Z:                                     7.2  5.9   F        6.1       6.2   A   7.1
22Z:                                     7.6  6.3  5.7   F             6.6  5.7  7.2
23Z:                                     7.7  6.5   A    F             6.9   B   6.7
=========================================
Estimated Average Global foF2:  6.08 MHz.


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

      MUR  ASH  SAL  TOM  DIX  KHA  MAG  VBG  GOO  TAO  RES  CHU  KEA  RAM  BER  DYS
     ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----
00Z: 16.4 16.0 15.8 19.8      22.4 17.0      21.4 27.8 16.8      29.7 20.7   B  21.4
01Z: 15.5      15.8 17.9 16.2 19.5 15.9 17.9 22.1   A    F       32.8 19.7 15.8 19.1
02Z: 16.4 19.2 17.0 17.7 16.8 18.9 18.2 17.7 17.9   A    F       34.8 19.5   B  17.4
03Z: 15.4      16.2 16.8 15.7      15.3 20.9 14.3   A  16.0      40.0 18.7   B  20.2
04Z: 17.0      16.0 20.8 15.7 16.8 17.6 18.6 12.3 25.8   F       40.9 15.0 16.7 17.7
05Z: 18.0 22.3 16.0 19.2      18.6      19.2 10.2 28.5 14.9      36.0 12.5   B  12.8
06Z: 15.1 24.3 18.0 19.8      10.4 15.6 20.1  8.4 25.8           28.4 12.6   B  12.5
07Z:      22.3      19.8 16.0      17.0 20.1  9.6 26.6           19.3 10.9   B  10.4
08Z:      20.2 18.0 17.4           17.0 16.3   B  26.4           19.7 10.2   B  10.2
09Z:      24.7 16.8 19.5 17.1 17.4 17.7 13.0 12.8 26.4           24.0 10.5   B  10.2
10Z:      15.8 18.0 17.7      19.8 19.5 11.9 16.5 27.9           25.1 15.1 20.9 10.5
11Z: 19.5 18.5 18.6 19.5 17.4 22.9 22.7 12.9 21.0 28.7           21.9 17.6 19.1 11.2
12Z:           18.8 19.8 17.4 22.9      17.5 17.3 22.8           24.8 19.6 20.7 14.4
13Z: 15.9 18.2 17.4 18.0      23.7      18.4 18.9 18.0      13.9 19.8 20.5 20.2 15.7
14Z: 16.2 19.7 16.4 17.9 18.2 22.1      18.6 17.9 19.2      14.8 16.8 19.5 20.1 20.1
15Z: 16.1 19.7 16.8 18.6 16.1 21.4      18.0 16.2 20.3      18.2 12.4 21.4 19.5 24.8
16Z: 15.0 21.0 16.5 19.8 15.0 18.3      19.9 18.9   F       16.5 13.1 22.0 19.2 20.3
17Z: 15.5 17.9 16.6      14.5 16.2      26.3 18.9 19.5      18.6 17.6 19.2   A  21.5
18Z: 16.4      17.9                       A  14.0   F    F            16.2 17.9 22.9
19Z:                                    22.8 16.5   F       18.0      16.8 19.1 23.1
20Z:                                    21.6 18.6   F       18.6      17.4 21.8 23.9
21Z:                                    21.6 17.7   F       18.9      18.6   A  20.6
22Z:                                    22.0 18.9 18.2   F            20.5 20.5 21.6
23Z:                                    24.6 20.1   A    F            20.0   B  22.1
===============================================
Estimated Average Global MUF(3000)F2: 18.74 MHz.


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

      TAO  ANC  CNV  PAL  SHE  OSA  BOU
     ---- ---- ---- ---- ---- ---- ----
00Z:  270  180  200  360            240
01Z:  300  160  180  400            230
02Z:  260  140  160  410            210
03Z:  320  100  150  410            210
04Z:  340  100   98  360            200
05Z:  390  110   71  310
06Z:  370  120   62  240            170
07Z:  340  120   64  160            160
08Z:  340  130   64  150            160
09Z:  330  120   53  170            160
10Z:  300  120   49  170            160
11Z:  210  110   50  160            160
12Z:  200  100   86  150            160
13Z:        86  130  110
14Z:        84  170   83            240
15Z:       110  190   58            260
16Z:       140  190   60            260
17Z:       190  200  110            290
18Z:       180  210  160            290
19Z:       190  220  220            280
20Z:       200  240  230
21Z:  130  180  230  280
22Z:  190  170  220  340            260
23Z:  240  150  230  390            250


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)
VBG = Vandenberg AFB CA          USA                 (N34W120)
GOO = Goose Bay                  Canada              (N53W060)
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)
DYS = Dyess AFB TX               USA                 (N32W099)
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)
BOU = Boulder CO                 USA                 (N40W105)


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.


