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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: <9301260709.AA08706@rho.uleth.ca>
Subject: Daily Summary of Ionospheric Data for 25 January
Date: Tue, 26 Jan 93 0:09:46 MST
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Status: OR

                    ---------------------------------------
                    DAILY IONOSPHERIC SUMMARY FOR 25 JAN 93
                    ---------------------------------------


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

     UPS  BOU
     ---  ---
00Z:      3.3
01Z: 2.9  3.2
02Z:      3.4
03Z:      3.0
04Z:      3.0
05Z: 2.9  2.8
06Z:      2.9
07Z:      3.0
08Z:      2.9
09Z:      3.0
10Z:      3.3
11Z:      3.3
12Z:      2.8
13Z:      3.3
14Z:
15Z:
16Z:
17Z:
18Z:
19Z:
20Z:
21Z:
22Z:
23Z:


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

      POI  UPS  BOU  OTI
     ---- ---- ---- ----
00Z:  4.0  2.4  6.2
01Z:  3.9  2.1  4.7
02Z:  4.0       4.0
03Z:  4.0       3.3
04Z:  3.8       2.9
05Z:  3.4  1.9  3.0
06Z:  3.5       3.1
07Z:  3.9       3.7
08Z:            3.4
09Z:            3.6
10Z:            3.7
11Z:            3.2
12Z:            3.2
13Z:            2.9  5.0
14Z:                 6.3
15Z:                 7.3
16Z:                 7.8
17Z:                 8.1
18Z:
19Z:
20Z:
21Z:
22Z:
23Z:


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

      UPS  BOU
     ---- ----
00Z:      20.8
01Z:  6.1 15.0
02Z:      13.6
03Z:       9.9
04Z:       8.8
05Z:  5.5  8.5
06Z:       9.0
07Z:      11.3
08Z:       9.9
09Z:      10.6
10Z:      12.4
11Z:      10.7
12Z:       8.8
13Z:       9.7
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:

POI = Poitiers                   France              (N46E000)
UPS = Uppsala                    Sweden              (N60E018)
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.



