From solar-daily-request@lut.fi Tue May 18 08:32:28 1993
Received: from lut.fi by cs.tut.fi with SMTP id AA26096
  (5.65c/IDA-1.4.4 for <rko@cs.tut.fi>); Tue, 18 May 1993 08:31:40 +0300
Received: by lut.fi with TULP
	(5.65c8/IDA-1.4.4/Kim-2.2) id AA10132; Tue, 18 May 1993 08:30:23 +0300
Received: from rho.uleth.ca by lut.fi with SMTP
 (5.65c8/IDA-1.4.4/Kim-2.2) id AA10095; Tue, 18 May 1993 08:28:46 +0300
Return-Path: <oler@rho.uleth.ca>
Received: by rho.uleth.ca (5.57/Ultrix3.0-C)
 id AA13147; Mon, 17 May 93 23:28:06 -0600
From: oler@rho.uleth.ca (Cary Oler)
Message-Id: <9305180528.AA13147@rho.uleth.ca>
Subject: Daily Summary of Ionospheric Data for 17 May
To: solar-daily@lut.fi
Date: Mon, 17 May 93 23:28:02 MDT
X-Mailer: ELM [version 2.3 PL11]
X-Charset: FI
X-Char-Esc: 29
Reply-To: SOLAR-DAILY Distribution List <solar-daily@lut.fi>
X-Sequence: 771
Status: OR

                    ---------------------------------------
                    DAILY IONOSPHERIC SUMMARY FOR 17 MAY 93
                    ---------------------------------------


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

     ASH  SAL  TOM  DIX  KHA  MAG
     ---  ---  ---  ---  ---  ---
00Z: 2.7  3.0  3.0       2.9  2.5
01Z: 2.8  3.1  3.1       2.9  2.8
02Z: 3.0  3.1  3.1  2.8  3.0
03Z:      3.0  2.8  2.8  2.9  3.0
04Z: 2.9  2.8  3.0       3.0  2.8
05Z: 2.9  2.8  2.9       2.8  2.8
06Z: 2.7  2.9  2.9       2.9  2.8
07Z:      3.0  3.1       2.8  3.0
08Z: 1.9  3.0  3.1  2.6  3.0  3.0
09Z:      2.9  3.1       3.1  3.0
10Z: 1.8  3.0  3.2  2.6  3.0  3.2
11Z:      3.0       2.8       3.2
12Z:
13Z:
14Z:
15Z:
16Z:
17Z:
18Z:
19Z:
20Z:
21Z:
22Z:
23Z:


MINIMUM OBSERVED FREQUENCIES - FMIN (MHz)
-----------------------------------------

     ASH  SAL  TOM  DIX  KHA  MAG
     ---  ---  ---  ---  ---  ---
00Z: 2.0  3.1  1.5       1.3  1.1
01Z: 2.0  1.0  1.0  2.4  1.2  1.1
02Z: 2.0  1.0  1.3  2.4  1.3  1.0
03Z:      1.0  1.4  3.2  1.3  1.0
04Z: 2.0  1.0  1.7       1.2  1.0
05Z: 2.0  1.0  1.8       1.2  1.0
06Z: 2.0  1.0  1.4       1.3  1.0
07Z:      1.0  1.4       1.2  1.0
08Z: 2.0  1.0  1.2  3.1  1.1  1.0
09Z:      1.0  1.7       1.0  1.0
10Z: 2.0  1.0  1.4  3.0  1.0  1.2
11Z:      1.0       1.5       1.0
12Z:
13Z:
14Z:
15Z:
16Z:
17Z:
18Z:
19Z:
20Z:
21Z:
22Z:
23Z:


CRITICAL SPORADIC E-LAYER FREQUENCIES - Es (MHz)
------------------------------------------------

     ASH  TOM  DIX  KHA  MAG
     ---  ---  ---  ---  ---
00Z:      2.8       5.6  3.4
01Z: 2.5  5.8  4.4  4.8
02Z: 3.6  6.0  3.5  4.8
03Z:      5.3       4.0
04Z: 4.0  4.0       3.9  3.0
05Z: 4.0  3.4       3.6
06Z: 4.0  3.6            3.4
07Z:      3.6       3.5  3.3
08Z: 4.2  3.3       4.0
09Z:      3.4       3.7  1.6
10Z: 4.0  4.2       4.2  1.8
11Z:           3.0       1.4
12Z:
13Z:
14Z:
15Z:
16Z:
17Z:
18Z:
19Z:
20Z:
21Z:
22Z:
23Z:


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

      ASH  SAL  TOM  DIX  KHA  MAG  POI  OTI
     ---- ---- ---- ---- ---- ---- ---- ----
00Z:  4.5  5.0  6.6       6.1  5.1  6.3
01Z:  4.8  5.9  6.8       6.0  5.3  6.0
02Z:  6.3  6.1  7.0  5.4  6.1  4.9  5.7
03Z:       6.2  7.4  5.8  6.4  5.2  5.4
04Z:  8.7  6.6  7.6       5.5  5.2  4.8
05Z:  8.5  7.0  7.1       5.5  5.4  4.9
06Z:  8.7  7.2  7.7       6.1  5.5  5.4
07Z:       7.2  8.0       6.4  5.4  6.6
08Z: 10.4  7.0  7.4  5.7  6.8  5.4
09Z:       6.5  6.8       6.6  5.9
10Z: 10.7  6.7  6.7  5.3  7.1  6.4
11Z:       6.2       5.5       6.4
12Z:                                     5.2
13Z:                                     5.5
14Z:                                     6.0
15Z:                                     5.8
16Z:                                     6.0
17Z:                                     5.9
18Z:                                     6.0
19Z:
20Z:
21Z:
22Z:
23Z:


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

      ASH  SAL  TOM  DIX  KHA  MAG
     ---- ---- ---- ---- ---- ----
00Z: 12.2 15.0 19.8      17.7 12.8
01Z: 13.4 18.3 21.1      17.4 14.8
02Z: 18.9 18.9 21.7 15.1 18.3
03Z:      18.6 20.7 16.2 18.6 15.6
04Z: 25.2 18.5 22.8      16.5 14.6
05Z: 24.7 19.6 20.6      15.4 15.1
06Z: 23.5 20.9 22.3      17.7 15.4
07Z:      21.6 24.8      17.9 16.2
08Z: 19.8 21.0 22.9 14.8 20.4 16.2
09Z:      18.9 21.1      20.5 17.7
10Z: 19.3 20.1 21.4 13.8 21.3 20.5
11Z:      18.6      15.4      20.5
12Z:
13Z:
14Z:
15Z:
16Z:
17Z:
18Z:
19Z:
20Z:
21Z:
22Z:
23Z:


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

      PAL  SHE  OSA  TAO  CNV  BOU  ANC
     ---- ---- ---- ---- ---- ---- ----
00Z:  550            190  330  290  150
01Z:  590            240  310  300  150
02Z:  670            280  230  280  140
03Z:  670            340  180       120
04Z:  660            390  180  200  140
05Z:  570            410  160  180  140
06Z:  500            430  170  170  140
07Z:  390            480  170  180  130
08Z:  300            500  170  180   98
09Z:  250            500  150  180   66
10Z:  230            460  120  170   53
11Z:  210            390  110        49
12Z:  160            330  150  170   40
13Z:  120            260  200  200   52
14Z:  110            230  210  240   62
15Z:  110            300  250  270   87
16Z:  120            280  260  260  130
17Z:  160            230  270  270  170
18Z:  190            220  310  280  200
19Z:  220            180  320  290  200
20Z:  260            110  310  290  180
21Z:  320            130  300  290  140
22Z:  380            170  310  290  130
23Z:  450            210  340  270  130


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

ASH = Ashkhabad                  USSR                (N37E058)
SAL = Salekhard                  USSR                (N66E066)
TOM = Tomsk                      USSR                (N56E085)
DIX = Dixon                      USSR                (N74E081)
KHA = Khabarovsk                 USSR                (N48E135)
MAG = Magadan                    USSR                (N60E151)
POI = Poitiers                   France              (N46E000)
OTI = Ottawa                     Canada              (N45W076)
PAL = Palehua HI                 USA                 (N21W158)
SHE = Shemya AK                  USA                 (N52E174)
OSA = Osan AB                    Korea               (N37E127)
TAO = Taoyuan                    Taiwan              (N25E121)
CNV = Cape Canaveral FL          USA                 (N28W080)
BOU = Boulder CO                 USA                 (N40W105)
ANC = Anchorage AK               USA                 (N61W150)


DESCRIPTIVE CODES WHICH MAY APPEAR IN THE FOF2, M(3000), OR SID 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


     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.


