From solar-daily-request@lut.fi Wed Jan 20 18:28:14 1993
Received: from lut.fi by cs.tut.fi with SMTP id AA19414
  (5.65c/IDA-1.4.4 for <rko@cs.tut.fi>); Thu, 21 Jan 1993 10:29:33 +0200
Received: by lut.fi with TULP
	(5.65c8/IDA-1.4.4/Kim-2.2) id AA12992; Thu, 21 Jan 1993 10:29:02 +0200
Received: from rho.uleth.ca by lut.fi with SMTP
	(5.65c8/IDA-1.4.4/Kim-2.2) id AA12942; Thu, 21 Jan 1993 10:28:36 +0200
Received: by rho.uleth.ca (5.57/Ultrix3.0-C)
	id AA18097; Thu, 21 Jan 93 01:28:17 -0700
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: <9301210828.AA18097@rho.uleth.ca>
Subject: Daily Summary of Ionospheric Data for 20 January
Date: Thu, 21 Jan 93 1:28:14 MST
X-Sequence: 536
X-Charset: FI
X-Char-Esc: 29
Status: OR

                    ---------------------------------------
                    DAILY IONOSPHERIC SUMMARY FOR 20 JAN 93
                    ---------------------------------------


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

     UPS  BOU
     ---  ---
00Z:      3.3
01Z: 2.7  3.2
02Z: 2.7  3.5
03Z: 2.9  3.0
04Z: 2.8  3.0
05Z: 3.2  2.8
06Z:      2.8
07Z:      3.0
08Z:      3.1
09Z:      2.8
10Z:      2.8
11Z:      2.8
12Z:      3.0
13Z:      2.8
14Z:
15Z:
16Z:
17Z:
18Z:
19Z:
20Z:
21Z:
22Z:
23Z:


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

      UPS  POI  BOU  OTI
     ---- ---- ---- ----
00Z:       4.0  7.6
01Z:  4.6  4.1  7.0
02Z:  3.8  3.5  4.6
03Z:  3.2  3.1  2.9
04Z:  2.6  2.8  2.7
05Z:  1.9  2.6  2.8
06Z:       2.9  3.0
07Z:       3.7  3.3
08Z:            3.4
09Z:            3.3
10Z:            3.3
11Z:            3.5
12Z:            3.5
13Z:            3.5  5.1
14Z:                 5.6
15Z:                 6.8
16Z:                 7.2
17Z:                 7.4
18Z:                 8.4
19Z:
20Z:
21Z:
22Z:
23Z:


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

      UPS  BOU
     ---- ----
00Z:      25.1
01Z: 12.2 22.8
02Z: 10.3 16.1
03Z:  9.3  8.7
04Z:  7.3  8.1
05Z:  6.2  8.0
06Z:       8.4
07Z:       9.7
08Z:      10.5
09Z:       9.4
10Z:       9.1
11Z:       9.8
12Z:      10.3
13Z:      10.0
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:

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



