From solar-daily-request@lut.fi Thu May 13 10:36:45 1993
Received: from lut.fi by cs.tut.fi with SMTP id AA18213
  (5.65c/IDA-1.4.4 for <rko@cs.tut.fi>); Thu, 13 May 1993 10:36:35 +0300
Received: by lut.fi with TULP
	(5.65c8/IDA-1.4.4/Kim-2.2) id AA21546; Thu, 13 May 1993 10:34:06 +0300
Received: from rho.uleth.ca by lut.fi with SMTP
 (5.65c8/IDA-1.4.4/Kim-2.2) id AA15365; Thu, 13 May 1993 07:53:54 +0300
Return-Path: <oler@rho.uleth.ca>
Received: by rho.uleth.ca (5.57/Ultrix3.0-C)
 id AA18058; Wed, 12 May 93 22:52:49 -0600
From: oler@rho.uleth.ca (Cary Oler)
Message-Id: <9305130452.AA18058@rho.uleth.ca>
Subject: Daily Summary of Ionospheric Data for 12 May
To: solar-daily@lut.fi
Date: Wed, 12 May 93 22:52:47 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: 762
Status: OR

                    ---------------------------------------
                    DAILY IONOSPHERIC SUMMARY FOR 12 MAY 93
                    ---------------------------------------


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

     MUR  SAL  TOM  DIX  KHA  MAG  ASH  UPS
     ---  ---  ---  ---  ---  ---  ---  ---
00Z: 3.1  2.9  3.0  2.4            2.7
01Z: 3.1  3.1  2.9       2.7       2.7  2.9
02Z: 2.8  2.7  2.9       2.7       3.0  2.8
03Z: 2.8  2.7  2.9       2.8  2.8  2.8  3.0
04Z:           2.7       3.0  2.7  2.9  2.9
05Z:      2.7  2.9       2.7  2.7  2.8  2.7
06Z:                     2.8  2.9
07Z:      3.0  2.8       2.9  2.9  2.7
08Z:      3.0  2.9       3.1  2.9
09Z:      2.8  3.1       3.0  2.9  2.7
10Z:      3.0                 3.0  2.7
11Z:      3.0  3.1  2.6       3.0  3.0
12Z:      3.0  3.1       2.7  2.8  3.0
13Z:
14Z:
15Z:
16Z:
17Z:
18Z:
19Z:
20Z:
21Z:
22Z:
23Z:


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

     MUR  SAL  TOM  DIX  KHA  MAG  ASH
     ---  ---  ---  ---  ---  ---  ---
00Z: 1.0  1.0  1.3  1.2  1.3  1.0  2.0
01Z: 1.0  1.0  1.4  1.0  1.3  1.0  2.0
02Z: 1.0  1.0  1.2  1.4  1.4  1.0  2.0
03Z: 1.0  1.0  1.4  1.4  1.4  1.0  2.0
04Z: 2.0       1.4       1.2  1.0  2.0
05Z:      2.0  1.8       1.4  1.0  2.0
06Z: 3.0                 1.2  1.0
07Z:      3.3  1.7       1.1  1.0  2.0
08Z:      1.0  1.3       1.2  1.0  2.0
09Z:      1.0  1.8  1.7  1.0  1.3  2.0
10Z:      3.4       2.9       1.0  2.0
11Z:      2.0  1.4  1.5       1.1  2.0
12Z:      1.0  1.2  1.4  1.0  1.0  2.0
13Z:
14Z:
15Z:
16Z:
17Z:
18Z:
19Z:
20Z:
21Z:
22Z:
23Z:


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

     MUR  SAL  TOM  DIX  KHA  MAG  ASH
     ---  ---  ---  ---  ---  ---  ---
00Z: 3.0       7.0       4.4  2.3  2.8
01Z:      3.0  3.0       4.2  3.6  2.3
02Z:      2.7  3.6       3.9  3.3  5.6
03Z:      3.1  3.7  3.1  4.0  3.6  4.1
04Z:           3.5       3.9  3.5  6.0
05Z:      3.4  3.4       3.7       4.7
06Z:                     4.4  3.0
07Z:           3.4       5.4  2.5  6.2
08Z:                          1.5   13
09Z:                     3.2  2.1
10Z:                          1.2
11Z:                          1.7  4.0
12Z:                7.0  2.4       3.9
13Z:
14Z:
15Z:
16Z:
17Z:
18Z:
19Z:
20Z:
21Z:
22Z:
23Z:


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

      MUR  SAL  TOM  DIX  KHA  MAG  ASH  UPS  POI  OTI
     ---- ---- ---- ---- ---- ---- ---- ---- ---- ----
00Z:  4.0  4.6  5.7  4.5            5.1       5.6
01Z:  4.3  4.6  5.6  4.4  5.6  5.2  5.1  3.5  5.4
02Z:  4.5  4.7  5.5  4.5  5.4  4.9  6.8  3.4  4.9
03Z:  4.6  5.0  5.6  4.5  5.6  5.4  7.9  4.4  4.8
04Z:  4.9       5.7       5.6  5.1  7.9  4.9  4.7
05Z:       5.1  6.1       5.4  5.1  8.0  5.0  5.1
06Z:  4.5                 5.8  5.5            6.2
07Z:       5.6  6.0       5.9  5.4  9.3       6.9
08Z:       5.7  6.3       5.9  5.5
09Z:       5.6  6.2  5.0  5.9  5.4  9.5
10Z:       5.6       5.0       5.7  8.9
11Z:       5.6  6.0  5.2       5.7  8.4
12Z:       5.2  5.8       6.3  5.4  8.4            5.1
13Z:                                               5.3
14Z:                                               5.6
15Z:                                               5.2
16Z:                                               6.2
17Z:                                               6.2
18Z:                                               6.3
19Z:
20Z:
21Z:
22Z:
23Z:


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

      MUR  SAL  TOM  DIX  KHA  MAG  ASH  UPS
     ---- ---- ---- ---- ---- ---- ---- ----
00Z: 12.4 13.3 17.1 10.8           13.8
01Z: 13.3 14.3 16.2      15.1      13.8 10.2
02Z: 12.6 12.7 16.0      14.6      20.4  9.7
03Z: 12.9 13.5 16.2      15.7 15.1 22.1 13.2
04Z:           15.4      16.8 13.8 22.9 14.2
05Z:      13.8 17.7      14.6 13.8 22.4 13.2
06Z:                     16.2 16.0
07Z:      16.8 16.8      17.1 15.7 25.1
08Z:      17.1 18.3      18.3 16.0
09Z:      15.7 19.2      17.7 15.7 25.6
10Z:      16.8                17.1 24.0
11Z:      16.8 18.6 13.5      17.1 25.2
12Z:      15.6 18.0      17.0 15.1 25.2
13Z:
14Z:
15Z:
16Z:
17Z:
18Z:
19Z:
20Z:
21Z:
22Z:
23Z:


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

      PAL  SHE  OSA  TAO  CNV  BOU  ANC
     ---- ---- ---- ---- ---- ---- ----
00Z:  500            200       260  150
01Z:  570  190       240  250  250  150
02Z:  620  190       280  210  240  150
03Z:  600  190       360  170       100
04Z:  510  200       470  150  200   98
05Z:  410  110       590  150  170  110
06Z:  280  150       680  150  160  100
07Z:  230   64       770  150  160   89
08Z:  200  110       700  150  160   60
09Z:  160  110       580  140  160   33
10Z:  130  140       470  120        15
11Z:  110   60       320  120       4.2
12Z:  100   69       320  170       3.5
13Z:   87            280  210  200   11
14Z:   81            240  250  240   15
15Z:   62            230  280  280   37
16Z:   93   63       240  320        72
17Z:  140  120       230  380  330  110
18Z:  180  160       170  440  340  130
19Z:  230  150       170  470  340  120
20Z:  300  150       160  440  340  140
21Z:  340  150        85  460       130
22Z:  370  150       120  490  380  140
23Z:  420  150       140  480       140


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

MUR = Murmansk                   USSR                (N68E033)
SAL = Salekhard                  USSR                (N66E066)
TOM = Tomsk                      USSR                (N56E085)
DIX = Dixon                      USSR                (N74E081)
KHA = Khabarovsk                 USSR                (N48E135)
MAG = Magadan                    USSR                (N60E151)
ASH = Ashkhabad                  USSR                (N37E058)
UPS = Uppsala                    Sweden              (N60E018)
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.


