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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: <9302280017.AA27400@rho.uleth.ca>
Subject: Daily Summary of Ionospheric Data for 23 February
Date: Sat, 27 Feb 93 17:17:42 MST
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Status: OR

                    ---------------------------------------
                    DAILY IONOSPHERIC SUMMARY FOR 23 FEB 93
                    ---------------------------------------


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

     BOU  UPS
     ---  ---
00Z: 3.2  2.6
01Z: 3.2  2.8
02Z: 3.2  2.8
03Z: 3.3  2.8
04Z: 3.2  2.7
05Z: 3.2  2.8
06Z: 3.2
07Z: 2.8
08Z: 2.8
09Z: 2.9
10Z: 3.0
11Z: 2.8
12Z: 2.9
13Z: 3.0
14Z:
15Z:
16Z:
17Z:
18Z:
19Z:
20Z:
21Z:
22Z:
23Z:


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

      BOU  OTI  UPS  POI
     ---- ---- ---- ----
00Z:  8.5       3.0  4.2
01Z:  7.5       2.6  4.3
02Z:  5.3       2.4  4.3
03Z:  4.2       2.3  4.1
04Z:  4.2       2.2  3.9
05Z:  3.8       2.2  3.2
06Z:  3.1       3.5  3.0
07Z:  2.5       4.9  5.1
08Z:  2.0       6.4  6.7
09Z:  2.2       8.0  8.8
10Z:  2.6       8.4  9.3
11Z:  2.6       8.4 10.2
12Z:  2.4       8.2 10.1
13Z:  2.8  7.2  8.4  9.7
14Z:  5.2  7.2  8.3  9.6
15Z:  7.1       8.6  9.6
16Z:  7.4 10.4  8.0  9.0
17Z:  8.7 10.4  6.3  8.3
18Z: 10.0       4.5  6.3
19Z: 10.4 10.4  3.9  5.4
20Z: 11.0 10.4  3.1  4.7
21Z: 10.6 10.4  2.9  4.5
22Z:  9.6       2.1  4.1
23Z:  9.1       2.2  3.9


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

      BOU  UPS
     ---- ----
00Z: 27.6  7.8
01Z: 24.4  7.4
02Z: 17.0  6.8
03Z: 14.1  6.3
04Z: 13.2  5.8
05Z: 12.0  6.2
06Z: 10.1
07Z:  6.9
08Z:  5.5
09Z:  6.4
10Z:  7.9
11Z:  7.3
12Z:  7.0
13Z:  8.3
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:

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


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 experimen

