From solar-daily-request@lut.fi Sun Dec 19 09:06 EET 1993
Return-Path: solar-daily-request@lut.fi
Received: from lut.fi (listserv@lut.fi [157.24.10.8]) by cs.tut.fi (8.6.4/8.6.4) with SMTP id JAA17768 for <rko@cs.tut.fi>; Sun, 19 Dec 1993 09:06:31 +0200
Received: by lut.fi with TULP
	(5.65c/IDA-1.4.4/Kim-2.2) id AA25187; Sun, 19 Dec 1993 09:05:58 +0200
Received: from rho.uleth.ca by lut.fi with SMTP
 (5.65c/IDA-1.4.4/Kim-2.2) id AA25120; Sun, 19 Dec 1993 09:03:47 +0200
Received: by rho.uleth.ca (5.57/Ultrix3.0-C)
 id AA04916; Sat, 18 Dec 93 22:23:17 -0700
From: oler@rho.uleth.ca (Cary Oler)
Message-Id: <9312190523.AA04916@rho.uleth.ca>
Subject: Daily Summary of Ionospheric Data for 18 December
To: solar-daily@lut.fi
Date: Sat, 18 Dec 93 22:23:15 MST
X-Mailer: ELM [version 2.3 PL11]
Reply-To: SOLAR-DAILY Distribution List <solar-daily@lut.fi>
X-Sequence: 1200
Content-Type: text
Content-Length: 13348
Status: RO

                    ---------------------------------------
                    DAILY IONOSPHERIC SUMMARY FOR 18 DEC 93
                    ---------------------------------------


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

     MUR  SAL  TOM  DIX  MAG  ASH  SVE  MAU  VBG  GOO  EIE  TAO  CHU  KEA  ARG  BER  NIC  DYS  LEA
     ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---
00Z:      3.1  3.1       3.7            3.7  3.5  2.8  3.2  3.5       3.7   B    A   3.0  3.4  3.2
01Z:      3.0  3.0       3.8  3.2  2.9  3.2  3.3  3.1  3.2  3.5       3.2   B    A   3.7  3.9  2.8
02Z: 2.8       2.9       3.6  3.2       3.6  2.4  3.0  3.1  3.4       3.6   B    B   3.8  2.5  2.8
03Z: 2.9       3.5       3.7  3.2       3.8  2.8  3.1  3.7  3.2       3.9   B    A    C    A   3.0
04Z: 3.9  2.9  3.8       3.6            3.4  4.1  2.3   A   3.3       3.4   B    A   3.1   A   2.9
05Z: 2.8  3.1  3.6  3.2  3.6       3.5  3.2  2.5  2.9   B   3.4       3.3   B   3.1  3.6  3.0  2.7
06Z:      3.3  3.7  3.2  3.6  3.4  3.4  3.5  2.8   A   4.0  3.5       3.5   B   3.1  3.8  2.8  3.2
07Z: 3.2  3.4  3.4       3.4  3.3  3.5  3.7  3.3  2.8  3.4  3.3       3.7   B    A   3.7  2.9  3.0
08Z: 3.2  3.3  3.7  3.1  3.2            3.5  2.9   A   3.0  3.4       3.5   B   3.3   C   3.3  3.2
09Z: 3.3  3.3  3.5       3.2       3.4  3.5  2.8   A   3.5  3.7       3.5   B        3.4   A   3.3
10Z: 3.4  3.2  3.7       2.9  3.2  3.3  2.8  2.9   B    A   3.7       2.9   B        3.8   A   3.8
11Z:      3.4  3.5  3.1  3.2  3.3  3.3  3.0  3.3   B    A   3.2       3.0   B   3.6  3.8  2.9  2.9
12Z: 3.3  3.1  3.4  3.1  3.2  3.3       3.2  3.9  3.2  4.0  3.4       3.3  3.5  3.5  3.6  3.2   A
13Z:      3.4  3.2       3.0  3.2       3.1  4.2  3.3   A   3.6       3.1  3.6  3.5  3.6  3.3  3.3
14Z:           3.2       3.0       3.4  3.0  3.5  3.5   A   3.0   R   3.0  3.5  3.6  3.7  3.7  3.1
15Z:                     3.0  3.4  2.9   F   3.0  3.5   A   3.1   B    D   3.5  3.4  3.6  3.7  3.0
16Z: 2.6       2.7       3.2  2.9       3.1  3.5  3.4   B   3.0       3.1  3.4  3.5   C   3.5  2.8
17Z:      2.9            3.6            3.2  3.7  3.4   B   3.2  3.3  3.2  3.4  3.5   C   3.5  3.2
18Z: 3.1  3.0                 2.9            3.9  3.3   A   3.2   B        3.4  3.9  3.4  3.4  3.5
19Z:                                         3.3  3.4       3.5   B        3.5  3.3  2.9  3.4  3.4
20Z:                                         3.6  3.2       3.3   R         B        3.0  3.4   A
21Z:                                         3.5  3.2  3.3  2.7   F        3.5  3.4  3.1  3.4  3.5
22Z:                                         3.5   B   3.2  3.4   F         B   4.0  3.1  3.7  3.1
23Z:                                         3.5  2.7  3.1  3.7             B    B   3.2  3.6  3.3
=========================================
Estimated Average Global M(3000)F2:  3.30.


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

     MUR  SAL  TOM  DIX  MAG  ASH  SVE
     ---  ---  ---  ---  ---  ---  ---
00Z:      1.0  1.3       1.6
01Z:      1.7  1.3       1.7  2.0  1.5
02Z: 1.5       1.1       1.7  2.0  1.0
03Z: 1.3       1.0       1.5  2.0
04Z: 1.3  1.0  1.4       1.2       1.8
05Z: 1.0  1.6  1.3  1.3  1.0       1.0
06Z:      1.0  1.3  1.0  1.0  2.0  1.0
07Z: 1.7  1.0  7.4       1.0  2.0  1.0
08Z: 1.0  1.0  1.1  1.0  1.0       1.0
09Z: 2.9  2.0  1.3  2.3  1.0       1.0
10Z: 2.2  1.7  1.0  1.4  1.0  2.0  1.8
11Z:      1.0  1.0  1.0  1.0  2.0  1.0
12Z: 1.6  1.0  1.1  1.0  1.0  2.0  1.0
13Z:      1.0  1.1       1.0  2.0  1.6
14Z: 1.0       1.5  1.6  1.0       1.4
15Z:           1.8  1.6  1.0  2.0  1.6
16Z: 1.3       1.8  2.3  1.0  2.0
17Z: 1.2  1.0            1.0
18Z: 1.0  1.0                 2.0
19Z:
20Z:
21Z:
22Z:
23Z:


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

     MUR  SAL  TOM  DIX  MAG  ASH  SVE
     ---  ---  ---  ---  ---  ---  ---
00Z:      2.0
01Z:
02Z: 3.4       2.4                 3.0
03Z:           3.0            2.5
04Z: 2.8       1.9       1.5
05Z:           2.4       2.0       2.8
06Z:      2.2  2.7  2.0       2.3  4.2
07Z:      2.2  3.0       1.6  3.6  2.5
08Z: 4.7  4.0  2.0       1.4       2.5
09Z:           3.0  2.6  1.9       3.0
10Z:           2.1  3.8            2.7
11Z:                2.2  2.5  3.1  2.0
12Z:      2.3       2.2       2.8
13Z:      5.0                 3.0
14Z: 2.8            4.1
15Z:                4.1
16Z:                3.2
17Z: 4.6  2.1            1.3
18Z: 2.8  2.0
19Z:
20Z:
21Z:
22Z:
23Z:


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

      MUR  SAL  TOM  DIX  MAG  ASH  SVE  MAU  VBG  GOO  EIE  TAO  CHU  KEA  ARG  BER  NIC  DYS  LEA
     ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----
00Z:       2.5  2.0       5.1           10.2  7.6  2.9  4.9  7.8      10.2   B    A   3.4  4.1  5.9
01Z:       2.2  1.9       6.2  3.5  2.1 10.6  4.5  2.7  4.9  8.2      10.6   B    A   3.8  3.5  7.4
02Z:  3.0       2.4       6.9  2.3      12.0  2.9  2.4  3.9  8.5      12.0   B    B   4.0  2.4  8.6
03Z:  3.0       4.3       7.2  3.1       7.4  3.5  2.0  2.2  9.4       7.4   B    A    C    A   9.3
04Z:  3.2  2.1  5.3       6.2       2.4  5.1  4.1  2.7   A  11.3       5.1   B    A   2.8   A   8.4
05Z:  2.0  3.3  5.5  2.2  5.6       4.6  4.1  4.5  2.6   B  13.6       4.1   B   4.9  5.1  3.0  8.9
06Z:       4.2  7.2  3.3  4.5  6.8  5.9  4.4  4.8   A   3.7 13.4       4.4   B   4.9  5.8  3.4  9.5
07Z:  2.3  4.8  6.4       3.6  7.3  6.3  5.0  2.9  2.7  4.3 11.6       5.0   B    A   5.8  3.3  9.9
08Z:  3.2  5.5  6.9  3.2  2.8       6.5  4.3  3.0   A   4.4 11.2       4.3   B   4.6   C   3.2  9.4
09Z:  3.8  4.8  5.5       2.0       6.9  3.0  3.2   A   4.6  9.5       3.0   B        7.1   A   7.4
10Z:  4.2  4.3  5.3       1.9  6.2  7.2  2.4  2.9   B    A   6.4       2.4   B        6.7   A   5.6
11Z:       4.4  4.6  3.0  2.1  6.9  5.4  3.4  3.2   B    A   5.7       3.4   B   3.4  6.2  3.6  3.1
12Z:  3.4  2.3  2.6  2.6  2.4  6.7  5.3  3.3  2.9  4.2  3.7  5.4       3.3  4.8  5.7  5.8  3.2   A
13Z:       1.3  2.2       2.7  4.0  3.9  3.3  2.7  5.1   A   5.7       3.3  6.2  6.5  7.1  4.0  4.7
14Z:            2.2       2.7       2.6  4.0  3.1  5.8   A   3.1   R   4.0  6.6  7.1  6.8  5.8  4.8
15Z:            1.5       2.9  4.0  2.2  3.5  5.3  5.7   A   3.1   B   3.5  7.2  6.8  4.6  6.9  4.7
16Z:  1.6       2.2       2.5  3.8       3.1  6.7  6.1   B   2.9       3.1  6.3  7.2   C   7.0  4.1
17Z:       2.1            2.3            3.9  6.0  6.9   B   3.0  4.9  3.9  6.2  8.3   C   7.6  4.6
18Z:  3.2  2.5                 3.1            7.0  7.0   A   2.9   B        7.0  6.9  3.0  7.2  4.4
19Z:                                          7.9  7.0       3.2   B        6.5  6.9  2.5  8.6  3.4
20Z:                                          7.9  5.9       2.9   R         B        2.9  7.4   A
21Z:                                          6.8  4.1  4.8  2.3  7.0       4.1  5.8  2.9  7.1  3.1
22Z:                                          7.3   B   6.0  3.0  5.5        B   3.1  2.9  6.8  5.2
23Z:                                          6.5  4.1  7.2  5.0             B    B   2.9  6.1  5.8
=========================================
Estimated Average Global foF2:  4.92 MHz.


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

      MUR  SAL  TOM  DIX  MAG  ASH  SVE  MAU  VBG  GOO  EIE  TAO  CHU  KEA  ARG  BER  NIC  DYS  LEA
     ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----
00Z:       7.8  6.2      18.9           37.7 26.6  8.1 15.7 27.3      37.7   B    A  10.2 13.9 18.9
01Z:       6.6  5.7      23.6 11.2  6.1 33.4 14.8  8.4 15.7 28.7      33.9   B    A  14.1 13.7 20.7
02Z:  8.4       7.0      24.8  7.4      43.2  7.0  7.2 12.1 28.9      43.2   B    B  15.2  6.0 24.1
03Z:  8.7      15.1      26.6  9.9      28.5  9.8  6.2  8.1 30.1      28.9   B    A    C    A  27.9
04Z: 12.5  6.1 20.1      22.3           17.3 16.8  6.2   A  37.3      17.3   B    A   8.7   A  24.4
05Z:  5.6 10.2 19.8  7.0 20.2      16.1 13.3 11.2  7.5   B  46.2      13.5   B  15.2 18.4  9.0 24.0
06Z:      13.9 26.6 10.6 16.2 23.1 20.1 15.2 13.4   A  14.8 46.9      15.4   B  15.2 22.0  9.5 30.4
07Z:  7.4 16.3 21.8      12.2 24.1 22.1 18.5  9.6  7.6 14.6 38.3      18.5   B    A  21.5  9.6 29.7
08Z: 10.2 18.1 25.5  9.9  9.0           15.1  8.7   A  13.2 38.1      15.1   B  15.2   C  10.6 30.1
09Z: 12.5 15.8 19.2       6.4      23.5 10.5  9.0   A  16.1 35.2      10.5   B       24.1   A  24.4
10Z: 14.3 13.8 19.6       5.5 19.8 23.8  6.8  8.4   B    A  23.7       7.0   B       25.5   A  21.3
11Z:      15.0 16.1  9.3  6.7 22.8 17.8 10.2 10.6   B    A  18.2      10.2   B  12.2 23.6 10.4  9.0
12Z: 11.2  7.1  8.8  8.1  7.7 22.1      10.7 11.3 13.4 14.8 18.4      10.9 16.8 19.9 20.9 10.2   A
13Z:       4.4  7.0       8.1 12.8      10.2 11.3 16.8   A  20.5      10.2 22.3 22.8 25.6 13.2 15.5
14Z:            7.0       8.1       8.8 12.0 10.8 20.3   A   9.3   R  12.0 23.1 25.6 25.2 21.5 14.9
15Z:                      8.7 13.6  6.4   F  15.9 19.9   A   9.6   B    D  25.2 23.1 16.6 25.5 14.1
16Z:  4.2       5.9       8.0 11.0       9.6 23.4 20.7   B   8.7       9.6 21.4 25.2   C  24.5 11.5
17Z:       6.1            8.3           12.5 22.2 23.5   B   9.6 16.2 12.5 21.1 29.1   C  26.6 14.7
18Z:  9.9  7.5                 9.0           27.3 23.1   A   9.3   B       23.8 26.9 10.2 24.5 15.4
19Z:                                         26.1 23.8      11.2   B       22.8 22.8  7.2 29.2 11.6
20Z:                                         28.4 18.9       9.6   R         B        8.7 25.2   A
21Z:                                         23.8 13.1 15.8  6.2   F       14.3 19.7  9.0 24.1 10.8
22Z:                                         25.6   B  19.2 10.2   F         B  12.4  9.0 25.2 16.1
23Z:                                         22.8 11.1 22.3 18.5             B    B   9.3 22.0 19.1
===============================================
Estimated Average Global MUF(3000)F2: 16.25 MHz.


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

      TAO  ANC  CNV  PAL  BOU  SHE  OSA
     ---- ---- ---- ---- ---- ---- ----
00Z:  230  130  120  330  130
01Z:  260  130   93  340
02Z:  320   83   82  300   44
03Z:  450   50   89  150   35
04Z:  610   29  100  110   33
05Z:  680   24  110   82   33
06Z:  520   23  100   71   34
07Z:  390   24        61   39
08Z:  330   19        46   39
09Z:  220   19  120   31
10Z:  190   20  120   22   35
11Z:  170   20  110   29   34
12Z:  140   20  110   35   34
13Z:  120       140   37
14Z:  110       170   67   34
15Z:  110       200   68   66
16Z:  110       220   49   84
17Z:  110   19  220   66  110
18Z:  110       220  120  150
19Z:  100       230  160  200
20Z:   88       230  150
21Z:   85       200  160  160
22Z:  120            220  160
23Z:  140            170  120


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)
MAG = Magadan                    USSR                (N60E151)
ASH = Ashkhabad                  USSR                (N37E058)
SVE = Sverdlovsk                 USSR                (N56E061)
MAU = Maui HI                    USA                 (N20W157)
VBG = Vandenberg AFB CA          USA                 (N34W120)
GOO = Goose Bay                  Canada              (N53W060)
EIE = Eielson AFB AK             USA                 (N64W147)
TAO = Taoyuan                    Taiwan              (N25E121)
CHU = Churchill                  Canada              (N58W094)
KEA = Keakawapu HI               USA                 (N20W156)
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)
BOU = Boulder CO                 USA                 (N40W105)
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.


