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From: oler@rho.uleth.ca (Cary Oler)
Reply-To: SOLAR-DAILY Distribution List <solar-daily@lut.fi>
To: SOLAR-DAILY Distribution List <solar-daily@lut.fi>
Message-Id: <9302190950.AA26572@rho.uleth.ca>
Subject: Daily Summary of Ionospheric Data for 18 February
Date: Fri, 19 Feb 93 2:50:42 MST
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                    ---------------------------------------
                    DAILY IONOSPHERIC SUMMARY FOR 18 FEB 93
                    ---------------------------------------


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

     UPS  BOU
     ---  ---
00Z:      3.3
01Z: 2.8  3.2
02Z: 2.8  3.3
03Z: 3.0  3.0
04Z:      3.0
05Z:      3.0
06Z:      3.0
07Z:      3.0
08Z:      2.8
09Z:      2.8
10Z:      2.8
11Z:      2.8
12Z:      2.9
13Z:      2.8
14Z:
15Z:
16Z:
17Z:
18Z:
19Z:
20Z:
21Z:
22Z:
23Z:


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

      UPS  POI  BOU  OTI
     ---- ---- ---- ----
00Z:       4.0  7.3
01Z:  2.0  4.1  6.3
02Z:  2.3  3.9  5.0
03Z:  1.8  3.6  3.5
04Z:  1.7  3.5  2.8
05Z:  1.9  3.3  2.5
06Z:       2.9  2.4
07Z:       5.4  2.0
08Z:            1.8
09Z:            1.8
10Z:            2.7
11Z:            2.6
12Z:            2.2
13Z:            2.0  5.8
14Z:                 6.7
15Z:                 7.4
16Z:                 7.8
17Z:
18Z:                 8.8
19Z:
20Z:
21Z:
22Z:
23Z:


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

      UPS  BOU
     ---- ----
00Z:      24.1
01Z:  5.6 20.5
02Z:  6.6 16.5
03Z:  5.3 10.7
04Z:       8.3
05Z:       7.5
06Z:       7.1
07Z:       5.9
08Z:       5.1
09Z:       5.1
10Z:       7.4
11Z:       7.1
12Z:       6.4
13Z:       5.5
14Z:
15Z:
16Z:
17Z:
18Z:
19Z:
20Z:
21Z:
22Z:
23Z:


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

NO DATA PRESENTLY AVAILABLE
 

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

UPS = Uppsala                    Sweden              (N60E018)
POI = Poitiers                   France              (N46E000)
BOU = Boulder CO                 USA                 (N40W105)
OTI = Ottawa                     Canada              (N45W076)


DESCRIPTIVE CODES WHICH MAY APPEAR IN THE FOF2 AND M(3000) 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


     TEC 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.


