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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: <9212121114.AA13746@rho.uleth.ca>
Subject: Daily Summary of Ionospheric Data for 11 December
Date: Sat, 12 Dec 92 4:14:27 MST
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Status: OR

                    ---------------------------------------
                    DAILY IONOSPHERIC SUMMARY FOR 11 DEC 92
                    ---------------------------------------


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

     BOU  UPS
     ---  ---
00Z: 3.2
01Z: 3.3
02Z: 3.3
03Z: 3.2
04Z: 3.2
05Z: 3.5  3.3
06Z: 2.7
07Z: 2.7
08Z: 2.9
09Z: 2.9
10Z: 2.8
11Z: 2.8
12Z: 2.8
13Z: 3.1
14Z:
15Z:
16Z:
17Z:
18Z:
19Z:
20Z:
21Z:
22Z:
23Z:


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

      BOU  UPS  POI  OTI
     ---- ---- ---- ----
00Z:  6.8       4.3
01Z:  6.4       4.3
02Z:  4.0       4.5
03Z:  2.7       4.3
04Z:  2.9       4.2
05Z:  3.0  2.7  4.2
06Z:  2.7       3.9
07Z:  2.6       4.5
08Z:  2.9
09Z:  3.0
10Z:  3.3
11Z:  3.3
12Z:  3.1
13Z:  3.2            6.4
14Z:                 6.9
15Z:
16Z:                10.3
17Z:                10.8
18Z:                11.0
19Z:
20Z:
21Z:
22Z:
23Z:


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

      BOU  UPS
     ---- ----
00Z: 21.8
01Z: 21.1
02Z: 13.2
03Z:  8.5
04Z:  9.3
05Z: 10.5  8.9
06Z:  7.3
07Z:  7.0
08Z:  8.4
09Z:  8.7
10Z:  9.1
11Z:  9.1
12Z:  8.8
13Z:  9.9
14Z:
15Z:
16Z:
17Z:
18Z:
19Z:
20Z:
21Z:
22Z:
23Z:


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

TEC OBSERVATIONS PRESENTLY NOT 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.


