From solar-daily-request@lut.fi Wed Dec 22 08:50 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 IAA14575 for <rko@cs.tut.fi>; Wed, 22 Dec 1993 08:50:06 +0200
Received: by lut.fi with TULP
	(5.65c/IDA-1.4.4/Kim-2.2) id AA14689; Wed, 22 Dec 1993 08:47:42 +0200
Received: from rho.uleth.ca by lut.fi with SMTP
 (5.65c/IDA-1.4.4/Kim-2.2) id AA14621; Wed, 22 Dec 1993 08:46:09 +0200
Received: by rho.uleth.ca (5.57/Ultrix3.0-C)
 id AA18126; Tue, 21 Dec 93 21:21:28 -0700
From: oler@rho.uleth.ca (Cary Oler)
Message-Id: <9312220421.AA18126@rho.uleth.ca>
Subject: Daily Summary of Ionospheric Data for 21 December
To: solar-daily@lut.fi
Date: Tue, 21 Dec 93 21:21:25 MST
X-Mailer: ELM [version 2.3 PL11]
Reply-To: SOLAR-DAILY Distribution List <solar-daily@lut.fi>
X-Sequence: 1206
Content-Type: text
Content-Length: 12914
Status: RO

                    ---------------------------------------
                    DAILY IONOSPHERIC SUMMARY FOR 21 DEC 93
                    ---------------------------------------


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

     MUR  ASH  SVE  TOM  DIX  SAL  MAG  VBG  GOO  EIE  TAO  CHU  KEA  ARG  NIC  DYS  LEA
     ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---
00Z:      3.0       3.1            3.6  3.7  3.2  3.2  3.6       3.2   B   2.9       3.5
01Z:      3.1  2.8  3.0       3.1  3.7  3.5  3.2  3.2  3.8       3.4   B   3.0       3.7
02Z:      2.9  2.8  3.2       3.1  3.6  3.3  2.7  3.5  3.7       3.2   B   3.2       2.7
03Z:      3.2       3.6       3.1  3.6  3.2  2.7   B   3.1       3.1   B   3.5       2.7
04Z: 3.2  3.3       3.4       3.2  3.6  4.2  3.1   B   3.2       3.3   B   3.1       2.6
05Z: 3.3  3.2  3.2  3.7            3.6  3.0  2.7  2.6  3.6       3.2   B   3.7       2.9
06Z: 3.1  3.3  3.5  3.5  3.4  3.4       2.8  3.0  4.2  3.1       2.8   B             2.9
07Z: 3.2       3.4  3.5                 3.1  2.4  3.3  3.1       3.6   B             2.8
08Z: 3.3  3.4  3.4  3.4       3.4       2.6   B   2.8  3.4       3.2   B             2.9
09Z: 3.4       3.5  3.7       3.3  2.8  3.1   B   3.0  3.8        A    B             3.0
10Z: 3.3            3.4            2.9  3.1   B    A   3.6        A   3.1            3.3
11Z: 3.4  3.3  3.4  3.1       3.4  2.8  2.9  3.0   B   3.3        A   3.2            3.6
12Z: 3.2  3.3  3.3  3.0       3.2  3.0  3.1  3.3   B   3.4                           3.5
13Z:           3.3  3.2            2.9  3.1  3.5   A   3.2       3.3                 3.3
14Z:           3.3       3.4       3.0  3.1  3.3        R    F   3.4                 3.9
15Z: 2.9       3.0  3.0            2.9  3.5  3.4   A   3.0   B   3.5                 3.5
16Z:                3.2            3.0  3.6  3.2   A   3.3   R   3.3                 3.2
17Z:                3.1            3.2  3.4  3.2   B   3.1   R   3.3            3.4  3.4
18Z:           3.1                 2.9  3.4  3.4       3.1   B                  3.1  3.6
19Z:                                    3.5  3.2  2.5  3.2   B                  3.5  2.9
20Z:                                    3.4  3.2  3.1  3.1  3.2                 3.4  3.1
21Z:                                    3.6  2.9   B   3.5   F                  3.1  3.4
22Z:                                    3.2  2.9  3.4  2.7   F                  3.4  3.3
23Z:                                    3.4   B   3.3  3.4                      3.3  3.4
=========================================
Estimated Average Global M(3000)F2:  3.23.


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

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


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

     MUR  ASH  SVE  TOM  DIX  SAL  MAG
     ---  ---  ---  ---  ---  ---  ---
00Z: 5.2                 5.2       1.8
01Z:      2.3  3.0            2.0  2.0
02Z:                2.6            1.8
03Z:      2.3       3.0            2.4
04Z: 2.0  2.5                      1.9
05Z:      3.2                 1.2  2.1
06Z:           2.2  2.3
07Z:                2.4
08Z:      3.7       2.3       1.8
09Z:                2.0            2.3
10Z:
11Z:      3.3       1.7  3.1
12Z:      2.5            2.2
13Z:                     4.0       2.1
14Z: 2.9                 6.0       2.2
15Z: 1.9                 5.0       2.0
16Z: 2.1                 5.6       2.1
17Z: 4.0                      2.0  2.2
18Z: 6.0                 4.8  3.0  3.0
19Z:
20Z:
21Z:
22Z:
23Z:


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

      MUR  ASH  SVE  TOM  DIX  SAL  MAG  WAR  OTI  VBG  GOO  EIE  TAO  CHU  KEA  ARG  NIC  DYS  LEA
     ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----
00Z:       3.7  2.3  2.7            5.5  3.1       6.2  4.7  5.3  7.0      13.5   B   3.1       4.4
01Z:       3.4  2.2  2.2       2.6  6.0  3.1       4.6  3.4  4.7  7.0      14.2   B   3.3       4.8
02Z:       3.5  2.1  2.8       2.4  7.5  2.8       3.1  3.0  3.8  7.0      11.7   B   3.6       5.4
03Z:       4.0  2.0  4.4       1.9  6.2  3.0       2.7  2.7   B   6.7       9.8   B   3.3       5.7
04Z:  2.2  6.1  3.0  6.4       2.2  6.2  3.4       3.0  2.7   B  10.4       9.5   B   3.3       5.8
05Z:  2.0  6.0  5.0  6.5            5.4  3.1       2.8  2.6  3.8  8.9       6.7   B   5.0       6.5
06Z:  2.0  6.4  5.8  7.4  3.2  4.7       2.7       3.4  2.1  2.8  7.0       3.6   B             6.4
07Z:  2.7       6.8  7.2                 4.0       3.8  2.4  8.7  8.5       5.0   B             6.5
08Z:  4.0  5.6  6.5  6.4       5.5       6.5       3.3   B   2.8 10.6       3.8   B             6.6
09Z:  4.8       6.3  5.8       5.7  1.8            3.3   B   4.0  9.2        A    B             7.0
10Z:  4.8            5.5            1.6            3.4   B    A   5.4        A   2.3            6.9
11Z:  4.9  6.7  6.0  4.1      14.0  1.8            3.6  2.8   B   4.1        A   3.9            5.8
12Z:  4.0  5.8  5.2  3.9      13.2  2.1            3.3  4.0   B   3.8       3.3                 5.2
13Z:            4.4  2.4            2.4       4.2  3.4  4.6   A   3.2       3.0                 4.9
14Z:            3.0       4.0       2.7            4.5  6.0        R    F   2.6                 3.0
15Z:  2.0       2.0  2.3            2.9       6.9  5.4  6.4   A   3.0   B   3.3                 4.9
16Z:  2.0            2.4            2.4       7.4  6.0  6.9   A   2.9   R   2.4                 5.8
17Z:                 2.6            2.4       7.4  6.7  6.9   B   2.6   R   4.0            7.7  5.5
18Z:            2.2                 2.2       7.6  7.5  7.6       2.6   B                  8.5  3.9
19Z:                                               8.5  6.9  4.6  2.7   B                  7.6  4.6
20Z:                                               8.3  5.6  4.0  2.6  6.4                 7.3  4.4
21Z:                                               7.5  3.1   B   2.3   F                  8.5  4.0
22Z:                                               7.5  2.7  5.1  2.1   F                  7.8  5.3
23Z:                                               7.7   B   4.5  5.3                      5.3  6.3
=========================================
Estimated Average Global foF2:  4.84 MHz.


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

      MUR  ASH  SVE  TOM  DIX  SAL  MAG  VBG  GOO  EIE  TAO  CHU  KEA  ARG  NIC  DYS  LEA
     ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----
00Z:      11.1       8.4           19.8 22.9 15.0 17.0 25.2      43.2   B   9.0      15.4
01Z:      10.5  6.2  6.6       8.1 22.2 16.1 10.9 15.0 26.6      48.3   B   9.9      17.8
02Z:      10.2  5.9  9.0       7.4 27.0 10.2  8.1 13.3 25.9      37.4   B  11.5      14.6
03Z:      12.8      15.8       5.9 22.3  8.6  7.3   B  20.8      30.4   B  11.6      15.4
04Z:  7.0 20.1      21.8       7.0 22.3 12.6  8.4   B  33.3      31.4   B  10.2      15.1
05Z:  6.6 19.2 16.0 24.1           19.4  8.4  7.0  9.9 32.0      21.4   B  18.5      18.9
06Z:  6.2 21.1 20.3 25.9 10.9 16.0       9.5  6.3 11.8 21.7      10.1   B            18.6
07Z:  8.6      23.1 25.2                11.8  5.8 28.7 26.3      18.0   B            18.2
08Z: 13.2 19.0 22.1 21.8      18.7       8.6   B   7.8 36.0      12.2   B            19.1
09Z: 16.3      22.1 21.5      18.8  5.0 10.2   B  12.0 35.0        A    B            21.0
10Z: 15.8           18.7            4.6 10.5   B    A  19.4        A   7.1           22.8
11Z: 16.7 22.1 20.4 12.7      47.6  5.0 10.4  8.4   B  13.5        A  12.5           20.9
12Z: 12.8 19.1 17.2 11.7      42.2  6.3 10.2 13.2   B  12.9                          18.2
13Z:           14.5  7.7            7.0 10.5 16.1   A  10.2       9.9                16.2
14Z:            9.9      13.6       8.1 13.9 19.8        R    F   8.8                11.7
15Z:  5.8       6.0  6.9            8.4 18.9 21.8   A   9.0   B  11.6                17.1
16Z:                 7.7            7.2 21.6 22.1   A   9.6   R   7.9                18.6
17Z:                 8.1            7.7 22.8 22.1   B   8.1   R  13.2           26.2 18.7
18Z:            6.8                 6.4 25.5 25.8       8.1   B                 26.3 14.0
19Z:                                    29.8 22.1 11.5  8.6   B                 26.6 13.3
20Z:                                    28.2 17.9 12.4  8.1 20.5                24.8 13.6
21Z:                                    27.0  9.0   B   8.1   F                 26.3 13.6
22Z:                                    24.0  7.8 17.3  5.7   F                 26.5 17.5
23Z:                                    26.2   B  14.8 18.0                     17.5 21.4
===============================================
Estimated Average Global MUF(3000)F2: 15.66 MHz.


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

      TAO  ANC  CNV  PAL  BOU  SHE  OSA
     ---- ---- ---- ---- ---- ---- ----
00Z:  220  130       490  120
01Z:  230   81  100  600
02Z:  270   42   96  480
03Z:  370   16  100  370
04Z:  470   24  100  260
05Z:  500   17  110  110   86
06Z:  510   16  100   68   89
07Z:  530   16  110   70   87
08Z:  500   17  110   46   83
09Z:  290   16  120   38   88
10Z:  160   16  120   26   90
11Z:  150   15  110   29   94
12Z:  110   17  120   37   97
13Z:  110   20  150   41   96
14Z:  110   17  160   45   99
15Z:  120   17  190   39  120
16Z:  120   18  230   40
17Z:  110   20  240   64  180
18Z:   99   35  250  110  240
19Z:   93   50            220
20Z:   87  110  240  160  240
21Z:   84  160  210  180  230
22Z:  110  200  180  230  230
23Z:  180  230  150  280  200


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

MUR = Murmansk                   USSR                (N68E033)
ASH = Ashkhabad                  USSR                (N37E058)
SVE = Sverdlovsk                 USSR                (N56E061)
TOM = Tomsk                      USSR                (N56E085)
DIX = Dixon                      USSR                (N74E081)
SAL = Salekhard                  USSR                (N66E066)
MAG = Magadan                    USSR                (N60E151)
WAR = Warsaw                     Poland              (N52W021)
OTI = Ottawa                     Canada              (N45W076)
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)
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.


