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From: oler@rho.uleth.ca (Cary Oler)
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Subject: Daily Summary of Ionospheric Data for 04 June
To: solar-daily@lut.fi
Date: 	Sat, 5 Jun 1993 20:26:19 +0300
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                    ---------------------------------------
                    DAILY IONOSPHERIC SUMMARY FOR 04 JUN 93
                    ---------------------------------------


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

     ASH  SAL  TOM  MAG  KHA  JUL  UPS
     ---  ---  ---  ---  ---  ---  ---
00Z: 2.5  2.8  2.6  2.8       2.7  2.7
01Z: 2.4  2.6  2.9            2.9  2.8
02Z: 2.5       2.8            2.8  2.8
03Z:      2.5  2.6  2.6  2.6  2.7  2.5
04Z: 2.8  2.3  2.7  2.6  3.2  2.7  2.5
05Z: 2.7  2.4  2.6  2.6  2.7  2.8  2.5
06Z: 2.5  2.4  2.6  2.6  2.6  2.5
07Z: 2.4  2.5  2.8  2.6       2.4
08Z: 2.6       2.5  2.7       2.5
09Z: 2.3  2.4  2.7  2.6  2.6
10Z: 2.8       2.6       2.5
11Z: 2.6       3.0  2.6  2.8
12Z: 2.6  2.7  2.9  2.8
13Z:
14Z:
15Z:
16Z:
17Z:
18Z:
19Z:
20Z:
21Z:
22Z:
23Z:


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

     MUR  ASH  SAL  TOM  DIX  MAG  KHA
     ---  ---  ---  ---  ---  ---  ---
00Z: 1.0  2.0  1.0  1.2  1.2  1.0  1.1
01Z: 1.0  2.0  1.0  1.0  1.8  1.0
02Z: 1.5  2.0  1.0  1.0  1.8  1.0  1.2
03Z:      2.0  1.0  1.0       1.0  1.4
04Z: 2.5  2.0  1.0  1.2       1.0  1.2
05Z: 2.0  2.0  1.0  1.7       1.0  1.3
06Z:      2.0  1.0  1.3  1.4  1.0  1.4
07Z:      2.0  1.0  1.2       1.0
08Z:      2.0       1.0  1.2  1.0
09Z: 2.0  2.0  2.0  1.0  1.4  1.0  1.1
10Z: 2.2  2.0       1.0  1.2  1.0  1.1
11Z: 1.3  2.0  1.0  1.0  1.2  1.0  1.1
12Z: 1.2  2.0  1.0  1.0  1.0  1.0
13Z:
14Z:
15Z:
16Z:
17Z:
18Z:
19Z:
20Z:
21Z:
22Z:
23Z:


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

     MUR  ASH  TOM  DIX  MAG  KHA
     ---  ---  ---  ---  ---  ---
00Z: 5.0  3.1  3.0  4.2  3.9  5.3
01Z: 4.8  3.2  3.2  5.2  4.9
02Z: 4.0  3.2  3.5  5.4  3.9  6.8
03Z:      5.1  3.8       3.1  5.4
04Z: 4.7  4.2  4.0       3.8  5.3
05Z:      4.4  4.3       3.9  3.8
06Z:      4.0  4.0            4.8
07Z:      4.5  4.3       3.0
08Z:      6.2  3.4  3.5
09Z:      6.5  3.4  3.4  2.3  3.0
10Z:      5.8            3.0  2.1
11Z:      4.6       3.0  1.5  1.9
12Z:      3.4  3.0  2.8
13Z:
14Z:
15Z:
16Z:
17Z:
18Z:
19Z:
20Z:
21Z:
22Z:
23Z:


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

      MUR  ASH  SAL  TOM  DIX  MAG  KHA  JUL  UPS  POI
     ---- ---- ---- ---- ---- ---- ---- ---- ---- ----
00Z:       5.8  4.7  5.1       5.3       5.0  4.9  6.5
01Z:       5.2  5.1  5.7                 4.6  4.5  5.9
02Z:       6.0  4.9  6.0       4.9       4.4  4.2  5.6
03Z:            4.7  5.9       5.5  6.0  4.4  4.6  5.2
04Z:       8.0  4.8  6.4       5.5  6.0  5.4  4.5  5.2
05Z:       8.6  5.2  6.0       5.9  6.2  5.6  4.8  6.0
06Z:       7.6  5.3  5.8  5.0  5.7  6.3  5.3       6.5
07Z:       9.0  5.3  6.2       5.9       5.6       5.7
08Z:      10.3       5.9       6.3       5.8
09Z:  5.1  9.4  5.2  6.3       7.3  6.5
10Z:  5.2 10.9       6.5            7.7
11Z:  5.3 10.0  5.0  6.3       3.1  9.0
12Z:  5.3 10.2  5.3  6.6       2.9
13Z:
14Z:
15Z:
16Z:
17Z:
18Z:
19Z:
20Z:
21Z:
22Z:
23Z:


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

      ASH  SAL  TOM  MAG  KHA  JUL  UPS
     ---- ---- ---- ---- ---- ---- ----
00Z: 14.5 13.2 13.3 14.8      13.5 13.0
01Z: 12.5 13.3 16.5           13.3 12.6
02Z: 15.0      16.8           12.3 11.8
03Z:      11.8 15.3 14.3 15.6 11.9 11.7
04Z: 22.4 11.0 17.3 14.3 19.2 14.6 11.2
05Z: 23.2 12.5 15.6 15.3 16.7 15.7 11.8
06Z: 19.0 12.7 15.1 14.8 16.4 13.2
07Z: 21.6 13.2 17.4 15.3      13.4
08Z: 26.8      14.8 17.0      14.5
09Z: 21.6 12.5 17.0 19.0 16.9
10Z: 30.5      16.9      19.2
11Z: 26.0      18.9  8.1 25.2
12Z: 26.5 14.3 19.1  8.1
13Z:
14Z:
15Z:
16Z:
17Z:
18Z:
19Z:
20Z:
21Z:
22Z:
23Z:


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

      PAL  SHE  OSA  TAO  CNV  BOU  ANC
     ---- ---- ---- ---- ---- ---- ----
00Z:  370            300  210   15  470
01Z:  390            360  170   43  470
02Z:  390            430  170       480
03Z:  370            500  110   36  470
04Z:  370                 160   22  480
05Z:  360            650  170   21  500
06Z:  330            730  170   14  500
07Z:  310            870  140  2.6  490
08Z:  290            880  100   33  360
09Z:  300            810   96   31  360
10Z:  280            720   50   24  380
11Z:  250            700   46  1.3  330
12Z:  240            600   46   63  330
13Z:  230                  82   83  340
14Z:  160                 120  110  350
15Z:                      130  130  390
16Z:  130                 170  160  420
17Z:  160                 190  170  440
18Z:  210                 200  190  460
19Z:  240                 190  170  460
20Z:  260                 170  170  470
21Z:  270            150  190  180  460
22Z:  300            210  200  180  460
23Z:  310            290  190  160  450


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)
MAG = Magadan                    USSR                (N60E151)
KHA = Khabarovsk                 USSR                (N48E135)
JUL = Juliusruh/Rugen            Germany             (N54E013)
UPS = Uppsala                    Sweden              (N60E018)
POI = Poitiers                   France              (N46E000)
PAL = Palehua HI                 USA                 (N21W158)
SHE = Shemya AK                  USA                 (N52E174)
OSA = Osan AB                    Korea               (N37E127)
TAO = Taoyuan                    Taiwan              (N25E121)
CNV = Cape Canaveral FL          USA                 (N28W080)
BOU = Boulder CO                 USA                 (N40W105)
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.


