From solar-daily-request@lut.fi Sat Aug 21 07:53:37 1993
Received: from lut.fi by cs.tut.fi with SMTP id AA09943
  (5.65c/IDA-1.4.4 for <rko@cs.tut.fi>); Sat, 21 Aug 1993 07:53:35 +0300
Received: by lut.fi with TULP
	(5.65c/IDA-1.4.4/Kim-2.2) id AA17064; Sat, 21 Aug 1993 07:50:55 +0300
Received: from rho.uleth.ca by lut.fi with SMTP
 (5.65c/IDA-1.4.4/Kim-2.2) id AA17045; Sat, 21 Aug 1993 07:49:15 +0300
Return-Path: <oler@rho.uleth.ca>
Received: by rho.uleth.ca (5.57/Ultrix3.0-C)
 id AA15759; Fri, 20 Aug 93 22:48:14 -0600
From: oler@rho.uleth.ca (Cary Oler)
Message-Id: <9308210448.AA15759@rho.uleth.ca>
Subject: Daily Summary of Ionospheric Data for 20 August
To: solar-daily@lut.fi
Date: Fri, 20 Aug 93 22:48:11 MDT
X-Mailer: ELM [version 2.3 PL11]
Reply-To: SOLAR-DAILY Distribution List <solar-daily@lut.fi>
X-Sequence: 962
Status: OR

                    ---------------------------------------
                    DAILY IONOSPHERIC SUMMARY FOR 20 AUG 93
                    ---------------------------------------


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

     ASH  TOM  DIX  KHA  MAG  JUL  SAL  UPS  MUR  BOU  GOO  EIE  TAO  RES  CHU  ARG  BER  NIC  DYS  LEA
     ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---
00Z: 2.7  3.2  2.6            2.8       2.9       3.1  3.1       3.2   F        3.3  3.1  2.8  3.2  3.6
01Z: 2.8  3.1       2.9       2.8  3.0                 2.8       3.3  3.1        B   3.1  3.1  3.2  3.3
02Z: 3.0  3.3       2.6       2.6                      2.7       3.1   F        3.1  2.8  3.1  3.4  3.3
03Z: 3.1  2.8       2.9       2.8  3.0  3.0             A         C   3.2        B   2.7  3.2  3.1  3.4
04Z: 3.0  2.7                 3.1  2.9  3.0  2.9       2.7        C    F        2.8  2.8  3.2   A   3.1
05Z: 2.9  2.6       3.0       3.3       3.0            2.8        C    F         B   2.8  3.4  2.8  3.3
06Z: 3.1  2.7       3.0  3.0  3.3  3.1                 2.6        C              B   2.9  3.4  3.0
07Z:      3.2       3.1  3.1  3.0  3.1                 3.0        C              B   3.4  3.5  2.9
08Z: 3.4            3.0  3.0  3.1  3.0                 2.8        C              A    A   3.2  3.1  3.4
09Z: 3.1  3.1  2.8       3.0       3.0                 3.3        C             3.5   A   3.0  3.0   B
10Z: 3.0  3.3  2.9  3.1  3.0       3.0                 3.3        C             3.4  3.6  3.1  2.9  3.5
11Z: 3.3       3.1  2.7  3.0       3.1       2.9       3.4        C             3.4  3.6  3.0  2.8  3.1
12Z:      3.3  3.1  2.9  3.0       3.1                 3.2        C             3.1  3.4  3.0  3.2  3.0
13Z:                                                   3.0        C             3.1  3.5  3.0  3.3  3.3
14Z:                                                   3.5        C         R   2.9   A   3.1  3.1  3.2
15Z:                                                   3.0       3.0       3.0  3.2  2.9  3.0  3.1  3.3
16Z:                                                   3.0  2.7  3.0       3.1  2.8  2.9       2.9  2.8
17Z:                                                   2.9  2.7  3.1   F        3.1   B        3.1  2.9
18Z:
19Z:
20Z:
21Z:
22Z:
23Z:
=========================================
Estimated Average Global M(3000)F2:  3.06.


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

     ASH  TOM  DIX  KHA  MAG  SAL  MUR
     ---  ---  ---  ---  ---  ---  ---
00Z: 1.5  1.0  1.0       1.1
01Z: 1.7  1.0  1.2  1.5  1.0  1.0
02Z: 1.9  1.0       1.5  1.0
03Z: 1.6  1.4       2.3  1.0  1.0  3.2
04Z: 1.5  1.5       1.5  1.3  1.0  2.5
05Z: 2.0  2.0       1.5  1.2       2.6
06Z: 2.0  1.0  3.6  1.5  1.0  1.0
07Z:      1.0       1.3  1.2  1.0  3.0
08Z: 2.1            1.1  1.1  1.0  3.0
09Z: 1.6  1.6  3.2       1.2  1.0  1.0
10Z: 2.2  1.2  1.0  1.1  1.0  1.5
11Z: 1.6       2.8  1.2  1.2  3.2  1.0
12Z:      1.5  1.0  1.1  1.3  1.8
13Z:
14Z:
15Z:
16Z:
17Z:
18Z:
19Z:
20Z:
21Z:
22Z:
23Z:


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

     ASH  TOM  DIX  KHA  MAG  SAL
     ---  ---  ---  ---  ---  ---
00Z:      4.4  3.4       3.7
01Z:      4.7  2.4  3.7  3.3
02Z: 2.2  4.0       4.0
03Z: 3.0  4.8       5.6
04Z: 3.8  4.8       6.0
05Z: 5.6            3.7  3.7
06Z: 4.2  3.2       3.8  4.1  3.5
07Z:                3.5  2.6  4.0
08Z: 5.6            3.9       4.2
09Z: 3.7                 2.7
10Z: 4.0            5.6  2.3
11Z: 5.5            3.2  2.0
12Z:                3.9  2.0
13Z:
14Z:
15Z:
16Z:
17Z:
18Z:
19Z:
20Z:
21Z:
22Z:
23Z:


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

      ASH  TOM  DIX  KHA  MAG  JUL  SAL  UPS  MUR  POI  BOU  OTI  GOO  EIE  TAO  RES  CHU  ARG  BER  NIC  DYS  LEA
     ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----
00Z:  3.7  4.3  3.2            3.6       2.0       4.5  5.5       4.4       6.2  4.4       4.8  4.9  4.3  6.3  6.5
01Z:  3.9  4.6  4.3  5.1  4.6  3.2  3.9            4.2            3.8       6.1  4.6        B   4.1  4.3  6.9  6.7
02Z:  5.1  5.2       5.1  4.7  2.6                 3.9            3.4       6.6  4.9       3.2  4.2  3.8  6.1  7.9
03Z:  5.0  5.2       4.9  4.6  2.4  4.7  2.5  3.7  3.7             A         C   4.9        B   3.9  5.1  5.0  7.2
04Z:  7.0  5.2            4.5  3.2  5.0  3.5  4.1  3.6            2.7        C   4.8       2.4  3.6  5.2   A   7.3
05Z:  7.0  5.0       5.2       4.2       4.1  4.5  3.6            2.6        C    F         B   3.7  5.8  3.8  9.0
06Z:  7.2  5.2  5.0  5.4  4.5  4.6  5.4       4.9  4.7            3.3        C              B   3.8  8.2  4.1
07Z:       5.3       5.3  4.6  5.0  5.2       5.0  5.0            2.5        C              B   3.5  7.8  4.1
08Z:  8.7            5.2  4.9  6.0  5.3       5.0                 3.5        C              A    A   7.1  3.6  6.0
09Z:  8.7  5.4  5.0       5.0       5.3       5.5                 4.1        C             4.3   A   7.1  3.6   B
10Z:  8.4  5.5  5.0  5.4  5.1       5.1                           4.4        C             5.0  4.9  7.4  3.2  4.7
11Z:  7.7       5.0  5.7  5.3       5.2       5.2                 4.7        C             5.1  5.9  7.8  3.3  4.1
12Z:       5.4  4.2  5.8  5.1       5.0                      5.3  5.4        C             5.5  6.1  8.6  4.5  4.0
13Z:                                                         6.1  4.9        C             5.8  5.6  7.6  5.2  4.4
14Z:                                                         6.4  5.4        C         R   5.3   A   7.1  6.7  3.8
15Z:                                                         6.4  5.3       4.8       5.4  5.7  6.9  7.9  7.0  3.7
16Z:                                                         6.6  5.4  4.5  4.6       5.4  5.7  7.2       7.0  2.9
17Z:                                                         6.2  5.4  4.7  4.7   F        5.8   B        7.5  3.1
18Z:                                                         6.0
19Z:
20Z:
21Z:
22Z:
23Z:
=========================================
Estimated Average Global foF2:  5.08 MHz.


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

      ASH  TOM  DIX  KHA  MAG  JUL  SAL  UPS  MUR  BOU  GOO  EIE  TAO  RES  CHU  ARG  BER  NIC  DYS  LEA
     ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----
00Z: 10.0 13.8  8.3           10.1       5.8      17.0 13.6      19.8   F       15.8 15.2 12.0 20.2 23.4
01Z: 10.9 14.3      14.8       9.0 11.7                10.6      20.1 14.3        B  12.7 13.3 22.1 22.1
02Z: 15.3 17.2      13.3       6.8                      9.2      20.5   F        9.9 11.8 11.8 20.7 26.1
03Z: 15.5 14.6      14.2       6.7 14.1  7.6             A         C  15.7        B  10.5 16.3 15.5 24.5
04Z: 21.0 14.0                 9.9 14.5 10.5 11.9       7.3        C    F        6.7 10.1 16.6   A  22.6
05Z: 20.3 13.0      15.6      13.9      12.1            7.3        C    F         B  10.4 19.7 10.6 29.7
06Z: 22.3 14.0      16.2 13.5 15.2 16.7                 8.6        C              B  11.0 27.9 12.3
07Z:      17.0      16.4 14.3 15.0 16.1                 7.5        C              B  11.9 27.3 11.9
08Z: 29.6           15.6 14.7 18.6 15.9                 9.8        C              A    A  22.7 11.2 20.4
09Z: 27.0 16.7 14.0      15.0      15.9                13.5        C            15.1   A  21.3 10.8   B
10Z: 25.2 18.1 14.5 16.7 15.3      15.3                14.5        C            17.0 17.6 22.9  9.3 16.4
11Z: 25.4      15.5 15.4 15.9      16.1      15.1      16.0        C            17.3 21.2 23.4  9.2 12.7
12Z:      17.8 13.0 16.8 15.3      15.5                17.3        C            17.0 20.7 25.8 14.4 12.0
13Z:                                                   14.7        C            18.0 19.6 22.8 17.2 14.5
14Z:                                                   18.9        C         R  15.4   A  22.0 20.8 12.2
15Z:                                                   15.9      14.4      16.2 18.2 20.0 23.7 21.7 12.2
16Z:                                                   16.2 12.2 13.8      16.7 16.0 20.9      20.3  8.1
17Z:                                                   15.7 12.7 14.6   F       18.0   B       23.2  9.0
18Z:
19Z:
20Z:
21Z:
22Z:
23Z:
===============================================
Estimated Average Global MUF(3000)F2: 15.54 MHz.


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

      BOU  TAO  ANC  CNV  PAL  SHE  OSA
     ---- ---- ---- ---- ---- ---- ----
00Z:       220  110  250  510
01Z:   27  230  100  210  520
02Z:   10  400   98  150  500
03Z:   40  510  110  120  460
04Z:  1.6  430  100  100  380
05Z:       560  110  100  310
06Z:   27  640  100   95  210
07Z:   29  610   90   97  150
08Z:   26  580   72   91  120
09Z:   19  590   59       110
10Z:   16  560   52   79   83
11Z:   16  450   43   79   78
12Z:   14        40  120
13Z:   16  180   36  170   68
14Z:   15        34  200   58
15Z:   17        39  220   50
16Z:   17        59  260   50
17Z:   20        84  300   96
18Z:   19       100
19Z:   12
20Z:   34        94
21Z:   41
22Z:   45
23Z:   34


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

ASH = Ashkhabad                  USSR                (N37E058)
TOM = Tomsk                      USSR                (N56E085)
DIX = Dixon                      USSR                (N74E081)
KHA = Khabarovsk                 USSR                (N48E135)
MAG = Magadan                    USSR                (N60E151)
JUL = Juliusruh/Rugen            Germany             (N54E013)
SAL = Salekhard                  USSR                (N66E066)
UPS = Uppsala                    Sweden              (N60E018)
MUR = Murmansk                   USSR                (N68E033)
POI = Poitiers                   France              (N46E000)
BOU = Boulder CO                 USA                 (N40W105)
OTI = Ottawa                     Canada              (N45W076)
GOO = Goose Bay                  Canada              (N53W060)
EIE = Eielson AFB AK             USA                 (N64W147)
TAO = Taoyuan                    Taiwan              (N25E121)
RES = Resolute Bay               Canada              (N74W094)
CHU = Churchill                  Canada              (N58W094)
ARG = Argentia                   Canada              (N48W053)
BER = Bermuda                    Bermuda             (N32W064)
NIC = Nicosia                    Cyprus              (N35E033)
DYS = Dyess AFB TX               USA                 (N32W099)
LEA = Learmonth                  Australia           (S21E115)
ANC = Anchorage AK               USA                 (N61W150)
CNV = Cape Canaveral FL          USA                 (N28W080)
PAL = Palehua HI                 USA                 (N21W158)
SHE = Shemya AK                  USA                 (N52E174)
OSA = Osan AB                    Korea               (N37E127)


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.


