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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: <9302181850.AA21532@rho.uleth.ca>
Subject: Daily Summary of Ionospheric Data for 17 February
Date: Thu, 18 Feb 93 11:50:07 MST
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                    ---------------------------------------
                    DAILY IONOSPHERIC SUMMARY FOR 17 FEB 93
                    ---------------------------------------


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

     BOU  UPS
     ---  ---
00Z: 3.3  2.8
01Z: 3.2  2.7
02Z: 3.2  2.6
03Z: 3.5  2.8
04Z: 3.0  2.3
05Z: 3.0  2.5
06Z: 2.8
07Z: 2.8
08Z: 2.8
09Z: 3.0
10Z: 3.0
11Z: 2.5
12Z: 2.7
13Z: 2.6
14Z:
15Z:
16Z:
17Z:
18Z:
19Z:
20Z:
21Z:
22Z:
23Z:


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

      BOU  UPS  POI  OTI
     ---- ---- ---- ----
00Z:  7.8  2.7  5.0
01Z:  7.0  2.4  4.8
02Z:  6.3  2.4  4.7
03Z:  4.9  2.1  4.7
04Z:  3.7  2.0  4.4
05Z:  3.5  2.1  3.9
06Z:  3.7       3.7
07Z:  3.9       5.1
08Z:  4.2
09Z:  3.3
10Z:  2.6
11Z:  3.3
12Z:  3.8
13Z:  3.2            5.1
14Z:                 5.8
15Z:                 6.4
16Z:                 6.0
17Z:                 7.1
18Z:                 7.3
19Z:
20Z:
21Z:
22Z:
23Z:


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

      BOU  UPS
     ---- ----
00Z: 26.1  7.4
01Z: 22.8  6.5
02Z: 20.5  6.2
03Z: 17.4  5.8
04Z: 11.3  4.7
05Z: 10.3  5.4
06Z: 10.5
07Z: 10.7
08Z: 12.0
09Z: 10.1
10Z:  7.7
11Z:  8.1
12Z: 10.1
13Z:  8.3
14Z:
15Z:
16Z:
17Z:
18Z:
19Z:
20Z:
21Z:
22Z:
23Z:


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

NO TEC DATA PRESENTLY AVAILABLE
 

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

BOU = Boulder CO                 USA                 (N40W105)
UPS = Uppsala                    Sweden              (N60E018)
POI = Poitiers                   France              (N46E000)
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.


