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From: oler@rho.uleth.ca (Cary Oler)
Message-Id: <9307200602.AA29564@rho.uleth.ca>
Subject: Daily Summary of Ionospheric Data for 19 July
To: solar-daily@lut.fi
Date: Tue, 20 Jul 93 0:02:02 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 19 JUL 93
                    ---------------------------------------


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

     SAL  TOM  DIX  KHA  MUR  ASH  UPS  JUL  MAG  BOU  MAU  VBG  GOO  TAO  RES  CHU  KEA
     ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---
00Z: 3.1  3.1  2.9  2.7       2.8       3.0  3.0  3.4  2.9  3.4  3.0   A    F        2.9
01Z: 3.2  3.4       2.9  3.2  2.8  2.9  2.9  3.1       2.9  3.0  3.2  3.0  3.2       2.9
02Z: 3.0  3.1       3.1  3.1  2.8  3.0  2.9  3.2       3.0  3.3  3.1  2.8   F        3.0
03Z: 2.9  3.1  2.8  3.0  3.0  2.8  2.8  2.9  3.1       3.1  3.3  3.1  3.0   F        3.1
04Z: 2.9  2.9  2.8  2.7  3.0  2.9  2.8  2.8  3.0       3.1  3.1  3.0   A    F        3.1
05Z: 3.0  2.7  2.8  3.1  3.0  3.0  3.0  3.1            3.2  3.3  2.7  2.7   F        3.2
06Z:                2.8  2.9  2.9       3.0            3.3  3.4  2.8  2.9            3.4
07Z: 2.9  3.2  2.9  2.9  2.9  2.8       2.9            3.0  2.9  3.1  3.0            3.0
08Z:      3.2       2.8  3.1  2.8       3.2            3.0  3.2  3.2  3.0            3.0
09Z: 3.0                 2.9                           3.0  3.0  2.9  2.9            3.0
10Z: 2.9       2.9       3.1  2.6                      3.1  3.2  3.5  3.0            3.1
11Z: 2.9                      2.8                      3.0  2.9  3.0  3.2            3.0
12Z: 3.0  3.3       3.1  2.9  2.9                      3.0  2.7  3.0  3.1            3.1
13Z: 3.0  3.2       3.1  3.0  2.7                      3.4  3.1  3.4  3.3        C   3.4
14Z: 3.2  3.1       3.0  3.1  2.7                      3.2  3.3  3.3  2.9  3.0       3.2
15Z: 3.2  3.2       3.0  3.1  3.0                      3.3  2.8  3.0  2.9       3.1  3.3
16Z:      3.1       2.9  3.3  2.8                      3.4  3.2  3.1   F        2.9  3.4
17Z: 3.2  3.1            3.0  2.5                      3.2  3.4  3.0   F        2.9  3.2
18Z: 3.2  3.0            3.1                                3.2  3.0   F        2.9
19Z:                                                        2.7  3.0   F        3.0
20Z:                                                        2.9  3.0   F
21Z:                                                        3.0  3.2   F        3.0
22Z:                                                        3.2  3.0  3.3   F
23Z:                                                        3.0  2.8  3.5   F
=========================================
Estimated Average Global M(3000)F2:  3.03.


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

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


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

     SAL  TOM  DIX  KHA  MUR  ASH  MAG
     ---  ---  ---  ---  ---  ---  ---
00Z: 2.1  2.3  4.0  6.2       2.8  4.2
01Z:      3.4       5.5  5.0  2.0  3.5
02Z:      4.1  3.0  3.6  3.8  2.9  4.2
03Z:      4.0  3.0  3.0       3.5  3.5
04Z: 3.1  4.0       3.4       4.7  3.4
05Z: 3.5  4.1  3.5  3.8       4.2
06Z:           3.3  3.6       5.0
07Z: 4.8       3.3  3.8       4.9
08Z:           3.4  4.0  3.6  4.8
09Z: 3.8                 3.6
10Z: 4.0       4.2  5.9  4.5  5.0
11Z:                     3.7  3.7
12Z:      2.9       3.2       3.4
13Z:      2.4       3.0       8.7
14Z:      2.0                 3.8
15Z: 3.7  2.8       3.9  3.5  3.4
16Z:                2.8  3.5  7.8
17Z: 5.0  2.3            5.2  3.9
18Z: 4.8  3.0            5.2
19Z:
20Z:
21Z:
22Z:
23Z:


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

      SAL  TOM  DIX  KHA  MUR  ASH  UPS  JUL  WAR  POI  MAG  BOU  OTI  MAU  VBG  GOO  TAO  RES  CHU  KEA  RAM
     ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----
00Z:  5.0  5.4  5.4  5.8       5.1  5.2  5.4   B   5.9  5.4  6.3      11.6  6.7  6.8   A    F       11.6  7.0
01Z:  5.2  5.6       6.3  5.3  5.0  5.1  5.0   B   5.3  5.7           12.3  6.6  6.9  6.1  5.9      12.3  7.1
02Z:  5.4  5.3  5.2  6.8  5.3  5.8  4.7  4.6   B   5.0  5.7           12.5  6.6  5.9  6.0   F       12.5  5.8
03Z:  5.6  5.7  5.4  6.4  5.4  7.2  5.0  4.6  4.5  4.8  5.7           12.9  7.5  4.8  7.1   F       12.9  5.4
04Z:  5.6  5.6  5.5  5.8  5.4  7.9  5.5  5.3  5.7  4.5  5.5           13.0  7.0  4.2   A    F       13.0  5.3
05Z:  5.8  5.9  6.0  5.5  6.2  7.6  6.1  6.2  6.3  5.2                13.1  5.8  3.6  8.5   F       13.1  4.8
06Z:            5.7  5.7  6.3  7.3       6.4  6.9  6.8                10.4  5.9  4.4 10.0           10.4  5.3
07Z:  6.0  6.2  5.8  5.9  6.3  7.3       6.4  6.7  6.8                 9.1  6.4  3.7 10.6            9.1  4.7
08Z:       6.2  5.5  5.7  6.0  7.4       7.3                           8.3  6.2  4.1 10.0            8.3  4.5
09Z:  5.6                 6.0                                          8.1  5.3  4.6  8.5            8.1  4.2
10Z:  5.6       5.5  6.3  6.1  7.1                                     7.8  4.7  4.8  8.8            7.8  4.8
11Z:  5.6                 5.7  6.6                                     7.3  4.6  5.2  8.6            7.3  5.2
12Z:  5.4  5.5       7.3  5.8  6.4                                5.6  6.5  4.5  5.7  7.4            6.5  5.7
13Z:  5.3  5.6       7.0  5.5  6.2                                6.0  6.4  5.2  5.8  6.3        C   6.4  6.7
14Z:  5.2  5.7       6.7  5.4  6.7                                5.6  5.1  6.3  5.4  5.8  5.1       5.1  6.4
15Z:  5.2  5.6       6.2  5.1  7.0                                6.2  4.4  6.8  5.9  5.2       5.4  4.4  6.7
16Z:       6.0       5.8  5.2  6.7                                6.2  4.7  7.3  5.8   F        5.3  4.7  6.2
17Z:  5.0  5.9            5.2  6.7                                5.5  6.4  7.4  5.8   F        5.7  6.4  6.0
18Z:  4.9  5.2            5.2                                     5.6       8.4  5.8   F        5.7       5.8
19Z:                                                                        7.4  5.6   F        5.7       6.2
20Z:                                                                        7.6  5.8   F                  6.6
21Z:                                                                        7.5  6.0   F        5.7       6.5
22Z:                                                                        7.3  6.3  5.6   F             6.0
23Z:                                                                        7.3  7.2  6.0   F             6.3
=========================================
Estimated Average Global foF2:  6.36 MHz.


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

      SAL  TOM  DIX  KHA  MUR  ASH  UPS  JUL  MAG  BOU  MAU  VBG  GOO  TAO  RES  CHU  KEA
     ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----
00Z: 15.5 16.7 15.7 15.7      14.3      16.2 16.2 21.2 33.6 22.8 20.4   A    F       33.6
01Z: 16.6 19.0      18.3 17.0 14.0 14.8 14.5 17.7      35.7 19.8 22.1 18.3 18.9      35.7
02Z: 16.2 16.4      21.1 16.4 16.2 13.9 13.3 18.2      36.9 21.8 18.3 16.8   F       37.5
03Z: 16.2 17.7 15.1 19.2 16.2 20.2 14.0 13.3 17.7      40.0 24.8 14.9 21.3   F       40.0
04Z: 16.2 16.2 15.4 15.7 16.2 22.9 15.7 14.8 16.5      40.3 21.7 12.6   A    F       40.3
05Z: 17.4 15.9 16.8 17.0 18.6 22.8 18.6 19.2           41.9 19.1  9.7 23.0   F       41.9
06Z:                16.0 18.3 21.2      19.2           34.8 20.1 12.3 29.0           35.4
07Z: 17.4 19.8 16.8 17.1 18.3 20.4      18.6           27.3 18.6 11.5 31.8           27.3
08Z:      19.8      16.0 18.6 20.7      23.4           24.5 19.8 13.1 30.0           24.9
09Z: 16.8                17.4                          23.9 15.9 13.3 24.7           24.3
10Z: 16.2      16.0      18.9 18.5                     24.2 15.0 16.8 26.4           24.2
11Z: 16.2                     18.5                     21.9 13.3 15.6 27.5           21.9
12Z: 16.2 18.1      22.6 16.8 18.6                     19.8 12.2 17.1 22.9           20.1
13Z: 15.9 17.9      21.7 16.5 16.7                     21.8 16.1 19.7 20.8        C  21.8
14Z: 16.6 17.7      20.1 16.7 18.1                     16.1 20.8 17.8 16.8 15.3      16.3
15Z: 16.6 17.9      18.6 15.8 21.0                     14.5 19.0 17.7 15.1      16.7 14.5
16Z:      18.6      16.8 17.2 18.8                     16.0 23.4 18.0   F       15.4 16.0
17Z: 16.0 18.3           15.6 16.8                     20.5 25.2 17.4   F       16.5 20.5
18Z: 15.7 15.6           16.1                               26.9 17.4   F       16.5
19Z:                                                        20.0 16.8   F       17.1
20Z:                                                        22.0 17.4   F
21Z:                                                        22.5 19.2   F       17.1
22Z:                                                        23.4 18.9 18.5   F
23Z:                                                        21.9 20.2 21.0   F
===============================================
Estimated Average Global MUF(3000)F2: 19.28 MHz.


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

      BOU  TAO  PAL  SHE  OSA  CNV  ANC
     ---- ---- ---- ---- ---- ---- ----
00Z:  240  240  440            220  130
01Z:  240  250  470            200  120
02Z:  240  280  480            160  120
03Z:  230  320  500            110  110
04Z:  210  410  470             90  120
05Z:  200  430  440             72  120
06Z:  190  430  350             69  120
07Z:  170  390  280             71  120
08Z:  160  350  230             66  130
09Z:  160  310  210             60  110
10Z:  160  290  170             45   94
11Z:  160  250  150             43   91
12Z:  160  180  130             88   77
13Z:  200  150  120            160   73
14Z:  240  110   82            200   74
15Z:  290  100   70            240   91
16Z:  300   92   57            250  140
17Z:  140   87  120            250  170
18Z:  130   94  170            240  180
19Z:  130       190            250  180
20Z:  130       220                 180
21Z:  110  110  280            230  170
22Z:  270  110  320            230  170
23Z:  260  110  370            210  160


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

SAL = Salekhard                  USSR                (N66E066)
TOM = Tomsk                      USSR                (N56E085)
DIX = Dixon                      USSR                (N74E081)
KHA = Khabarovsk                 USSR                (N48E135)
MUR = Murmansk                   USSR                (N68E033)
ASH = Ashkhabad                  USSR                (N37E058)
UPS = Uppsala                    Sweden              (N60E018)
JUL = Juliusruh/Rugen            Germany             (N54E013)
WAR = Warsaw                     Poland              (N52W021)
POI = Poitiers                   France              (N46E000)
MAG = Magadan                    USSR                (N60E151)
BOU = Boulder CO                 USA                 (N40W105)
OTI = Ottawa                     Canada              (N45W076)
MAU = Maui HI                    USA                 (N20W157)
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)
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.


