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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: <9212291028.AA16265@rho.uleth.ca>
Subject: Daily Summary of Ionospheric Data for 28 December
Date: Tue, 29 Dec 92 3:28:09 MST
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Status: OR

                    ---------------------------------------
                    DAILY IONOSPHERIC SUMMARY FOR 28 DEC 92
                    ---------------------------------------


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

     UPS  BOU
     ---  ---
00Z:      3.0
01Z:      3.0
02Z: 2.8  3.2
03Z:      3.4
04Z:      3.4
05Z:      2.9
06Z:      3.2
07Z:      2.8
08Z:      2.7
09Z:      2.7
10Z:      2.8
11Z:      3.0
12Z:      3.2
13Z:      2.8
14Z:
15Z:
16Z:
17Z:
18Z:
19Z:
20Z:
21Z:
22Z:
23Z:


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

      POI  UPS  BOU
     ---- ---- ----
00Z:  3.6  7.3  6.9
01Z:  3.8  7.7  6.0
02Z:  3.7  5.7  5.7
03Z:  3.8  5.6  4.7
04Z:  3.9  5.6  3.2
05Z:  3.9  5.0  2.6
06Z:  3.1       2.7
07Z:  3.5       2.3
08Z:            2.4
09Z:            2.9
10Z:            3.1
11Z:            3.2
12Z:            3.0
13Z:            2.6
14Z:
15Z:
16Z:
17Z:
18Z:
19Z:
20Z:
21Z:
22Z:
23Z:


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

      UPS  BOU
     ---- ----
00Z:      21.0
01Z:      17.7
02Z: 16.0 18.2
03Z:      16.0
04Z:      10.9
05Z:       7.5
06Z:       8.5
07Z:       6.6
08Z:       6.4
09Z:       7.8
10Z:       8.5
11Z:       9.4
12Z:       9.5
13Z:       7.3
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:

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


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.



