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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: <9302272330.AA25777@rho.uleth.ca>
Subject: Daily Summary of Ionospheric Data for 22 February
Date: Sat, 27 Feb 93 16:30:42 MST
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                    ---------------------------------------
                    DAILY IONOSPHERIC SUMMARY FOR 22 FEB 93
                    ---------------------------------------


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

     BOU
     ---
00Z: 3.2
01Z: 3.3
02Z: 3.2
03Z: 3.0
04Z: 3.0
05Z: 3.5
06Z: 3.0
07Z: 2.8
08Z: 2.8
09Z: 2.8
10Z: 2.5
11Z: 2.8
12Z: 2.7
13Z: 3.0
14Z:
15Z:
16Z:
17Z:
18Z:
19Z:
20Z:
21Z:
22Z:
23Z:


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

      POI  BOU  OTI  UPS
     ---- ---- ---- ----
00Z:  4.5  9.6
01Z:  3.7  8.5
02Z:  3.9  5.9
03Z:  3.7  5.7
04Z:  3.6  5.4
05Z:  3.4  4.0
06Z:  3.1  3.8       3.5
07Z:  5.9  4.0
08Z:  7.4  3.5       5.3
09Z:  8.8  3.1       6.3
10Z: 10.8  3.2       6.7
11Z: 10.6  3.3       6.8
12Z: 11.3  3.3       7.0
13Z: 10.5  2.9  5.0  7.3
14Z:  9.4  4.5  6.4  6.8
15Z:  9.6  6.0  7.1  7.3
16Z:  9.4  6.9  8.0  6.3
17Z:  7.7  7.5  8.0  5.1
18Z:  6.7  7.7  9.5  3.2
19Z:  6.6  9.1       2.9
20Z:  5.7  9.8       2.3
21Z:  5.3 10.1
22Z:  4.8  9.2       2.7
23Z:  4.3  8.9       3.1


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

      BOU
     ----
00Z: 30.2
01Z: 28.5
02Z: 18.6
03Z: 17.1
04Z: 16.5
05Z: 13.8
06Z: 11.2
07Z: 11.2
08Z:  9.8
09Z:  8.5
10Z:  8.2
11Z:  9.1
12Z:  8.9
13Z:  8.7
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:

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


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 elect

