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From: oler@rho.uleth.ca (Cary Oler)
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Subject: Daily Summary of Ionospheric Data for 03 July
To: solar-daily@lut.fi
Date: Sun, 4 Jul 93 0:51:05 MDT
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Status: OR

                    ---------------------------------------
                    DAILY IONOSPHERIC SUMMARY FOR 03 JUL 93
                    ---------------------------------------


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

     SAL  TOM  KHA  ASH  MAG
     ---  ---  ---  ---  ---
00Z:           2.8  2.7
01Z:      2.3  3.0  2.5
02Z: 3.1  2.4  2.8  2.6
03Z:      2.4  2.7  2.7
04Z:      2.3       2.8  2.5
05Z:      2.5  2.8       2.6
06Z:      2.4  2.6
07Z:      2.5       2.9
08Z:      2.3       2.6
09Z:      2.5  3.0       2.8
10Z:      2.6  2.9       2.8
11Z:      2.8  2.7       2.8
12Z:
13Z:
14Z:
15Z:
16Z:
17Z:
18Z:
19Z:
20Z:
21Z:
22Z:
23Z:
=========================================
Estimated Average Global M(3000)F2:  2.66.


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

     MUR  SAL  TOM  DIX  KHA  ASH  MAG
     ---  ---  ---  ---  ---  ---  ---
00Z: 1.8       1.0       1.3  2.0  1.0
01Z:           1.0       1.4  1.2  1.0
02Z:      3.5  1.0       1.3  2.0  1.0
03Z:           1.2       1.2  2.0
04Z: 2.5  1.5  1.0       1.2  1.4  1.0
05Z:      1.9  1.0       1.2  1.6  1.0
06Z:           1.0       1.2  1.5
07Z:      1.8  1.0       1.1  1.6
08Z:      1.0  1.5            1.6  1.0
09Z: 3.4  1.0  1.4  1.2  1.1  2.6  1.0
10Z: 2.0       1.5  1.0  1.0       1.0
11Z: 3.4       3.2  3.2  1.2       1.0
12Z:
13Z:
14Z:
15Z:
16Z:
17Z:
18Z:
19Z:
20Z:
21Z:
22Z:
23Z:


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

     MUR  TOM  DIX  KHA  ASH  MAG
     ---  ---  ---  ---  ---  ---
00Z: 3.6            6.2       3.7
01Z:      3.0       4.5  2.0  3.6
02Z:      3.2       4.1  3.0  3.7
03Z:      3.4       4.3  3.5
04Z:                9.2  4.2  3.6
05Z:                4.0  5.2  3.6
06Z:                4.2  4.2
07Z:                8.4  4.0
08Z:                     4.6  8.5
09Z:           3.6  7.0  6.2  3.8
10Z:           3.0  7.9       2.5
11Z:                4.2
12Z:
13Z:
14Z:
15Z:
16Z:
17Z:
18Z:
19Z:
20Z:
21Z:
22Z:
23Z:


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

      SAL  TOM  DIX  KHA  ASH  MAG
     ---- ---- ---- ---- ---- ----
00Z:                 5.7  4.9
01Z:       4.4       5.6  4.0  5.0
02Z:  3.9  4.6       6.0  4.9  4.9
03Z:       4.6       6.0  5.4
04Z:       4.7            5.6  5.1
05Z:       4.9       6.7       5.3
06Z:       4.9       6.2
07Z:       5.0            6.4
08Z: 14.4  4.9            6.0
09Z:       5.0       7.3       5.9
10Z:       5.0  4.2  7.4       5.9
11Z:       5.0       7.8       6.0
12Z:
13Z:
14Z:
15Z:
16Z:
17Z:
18Z:
19Z:
20Z:
21Z:
22Z:
23Z:
=========================================
Estimated Average Global foF2:  5.66 MHz.


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

      SAL  TOM  KHA  ASH  MAG
     ---- ---- ---- ---- ----
00Z:           16.0 13.2
01Z:      10.1 16.8 10.0
02Z: 12.1 11.0 16.8 12.7
03Z:      11.0 16.2 14.6
04Z:      10.8      15.7 12.8
05Z:      12.2 18.8      13.8
06Z:      11.8 16.1
07Z:      12.5      18.6
08Z:      11.3      15.6
09Z:      12.5 21.9      16.5
10Z:      13.0 21.5      16.5
11Z:      14.0 21.1      16.8
12Z:
13Z:
14Z:
15Z:
16Z:
17Z:
18Z:
19Z:
20Z:
21Z:
22Z:
23Z:
===============================================
Estimated Average Global MUF(3000)F2: 15.05 MHz.


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

      CNV  BOU  ANC
     ---- ---- ----
00Z:  230  240  140
01Z:  230  250  150
02Z:  210  250  160
03Z:       240  160
04Z:  140  210  150
05Z:  150  210  170
06Z:  160  200  130
07Z:  140  190  110
08Z:   84  190   91
09Z:   74  180   62
10Z:   57  170   55
11Z:   45  160   55
12Z:   81  170   50
13Z:  120  210   47
14Z:  140  240   56
15Z:  170  280   72
16Z:  190  280  110
17Z:  190  290  150
18Z:  190  280  160
19Z:  180  270  160
20Z:  170  250  150
21Z:  170       140
22Z:  170  250  130
23Z:  160       120


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

MUR = Murmansk                   USSR                (N68E033)
SAL = Salekhard                  USSR                (N66E066)
TOM = Tomsk                      USSR                (N56E085)
DIX = Dixon                      USSR                (N74E081)
KHA = Khabarovsk                 USSR                (N48E135)
ASH = Ashkhabad                  USSR                (N37E058)
MAG = Magadan                    USSR                (N60E151)
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.


