From solar-daily-request@lut.fi Sat Dec 18 07:13 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 HAA12604 for <rko@cs.tut.fi>; Sat, 18 Dec 1993 07:13:22 +0200
Received: by lut.fi with TULP
	(5.65c/IDA-1.4.4/Kim-2.2) id AA17293; Sat, 18 Dec 1993 07:11:43 +0200
Received: from rho.uleth.ca by lut.fi with SMTP
 (5.65c/IDA-1.4.4/Kim-2.2) id AA17243; Sat, 18 Dec 1993 07:10:17 +0200
Received: by rho.uleth.ca (5.57/Ultrix3.0-C)
 id AA29458; Fri, 17 Dec 93 22:08:57 -0700
From: oler@rho.uleth.ca (Cary Oler)
Message-Id: <9312180508.AA29458@rho.uleth.ca>
Subject: Daily Summary of Ionospheric Data for 16 December
To: solar-daily@lut.fi
Date: Fri, 17 Dec 93 22:08:53 MST
X-Mailer: ELM [version 2.3 PL11]
Reply-To: SOLAR-DAILY Distribution List <solar-daily@lut.fi>
X-Sequence: 1196
Content-Type: text
Content-Length: 16737
Status: RO

                    ---------------------------------------
                    DAILY IONOSPHERIC SUMMARY FOR 16 DEC 93
                    ---------------------------------------


REPORTS OF IONOSPHERIC ABSORPTION
---------------------------------

DIX: Type of Measurement = Riometer.
     Type of Phenomenon  = Auroral Absorption.
     Start of Event: 0635Z
     Event Maximum : 0659Z,  Maximum Absorption: 1 dB
     End of Event  : 0700Z

DIX: Type of Measurement = Riometer.
     Type of Phenomenon  = Auroral Absorption.
     Start of Event: 2020Z
     Event Maximum : 2030Z,  Maximum Absorption: 3 dB
     End of Event  : 2200Z


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

     MUR  ASH  SVE  SAL  MAG  TOM  DIX  JUL  BOU  WLP  MAU  VBG  GOO  EIE  TAO  CHU  KEA  ARG  BER  NIC  DYS  LEA
     ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---
00Z:      3.2            3.6            3.0  3.6  3.3  3.3  3.6  4.0  3.2  3.6            3.1  2.4   C   3.7  3.0
01Z:      3.2  2.9       3.7            3.0  3.5       3.3  3.6  2.6  3.3  3.8            2.9   B    C    B   2.9
02Z:      3.0  2.8       3.8            3.0   C        3.3  3.3  2.9  3.3  3.6            2.7   B    C   3.2  2.8
03Z:      3.1            3.4  3.7  2.9  3.2  3.3       3.6  2.9   B   2.9  3.4             B         C   3.3  2.7
04Z:      3.5  3.2       3.6  3.3  3.1  3.3  3.3       3.8  3.2  2.6  3.4  3.3             B    B   3.0  3.1  2.6
05Z:      3.5  3.3  3.4  3.4  3.6  3.2  3.3  3.0       3.9  2.7  4.5   A   3.1             B    B   3.4  3.0  2.6
06Z:      3.5  3.5  3.3  3.3  3.6  3.3  3.2   C        2.8  2.8  2.9  3.7  3.3             B    B        2.8  2.7
07Z:           3.3       3.4  3.5  3.0  3.2  3.2       3.0  2.9  2.9  3.0  3.6             A    B        3.0   A
08Z: 3.2  3.1  3.4  3.4  3.2  3.3  3.2  3.6   C        3.6  3.4  3.0  3.4  3.4             B    B        3.1  2.8
09Z:      3.1  3.4  3.3                       C        3.3  3.8  2.6  3.1  3.5             B    B        3.2  3.1
10Z: 3.3  3.2       3.4  2.8  3.6             C        3.2  3.0   B    A   3.1            2.5            3.6  3.7
11Z: 3.1       3.3       2.6  3.3            3.5       3.0  3.1  2.2   A   3.5            3.1  3.3       3.3  3.7
12Z: 3.2  3.2  3.3  3.1  2.8  3.1             C        2.9  2.6  3.4  3.6  3.7       2.9  3.4  3.4       2.6  3.9
13Z: 3.2  3.2       3.1  2.8  3.4             C        2.7  2.7  2.9   A   2.9       2.7  3.2  3.6       3.1   A
14Z:                     3.0  3.0                      3.3  2.8  3.1   A   3.3   R   3.4  3.4  3.8       3.4  3.4
15Z:      3.4            2.8  3.0                       F   3.4  3.3   B   3.2   B    E   3.3   A        3.4  3.4
16Z: 2.9  3.4  2.8       3.0                            A   3.8  3.3   A   2.9   B    A   3.3   A        3.5  3.5
17Z:      3.1  2.8       3.2  2.8                      3.0  3.3  3.3  4.0  3.1   B   3.1  3.4   A        3.5  3.6
18Z:      2.9  3.0       3.5                                3.5  3.3  2.5  3.3  3.2       3.4  4.0       3.5
19Z:      3.3  2.9       3.2       3.8                      3.4  3.2  2.7  3.9   F        3.3  3.7       3.7
20Z:      2.9  3.0       3.2                                3.3  2.9   B   3.1  3.0       3.1  3.5       3.5
21Z:      3.0  2.9       3.0                                3.5  3.6   B   3.0   F        2.9  3.2       3.2
22Z:      3.2            3.2                                3.3  2.9   B   3.0   F        2.9   A        3.5
23Z:      3.0       2.7  3.5                                3.3  2.8   B   3.6             B    B        3.4
=========================================
Estimated Average Global M(3000)F2:  3.22.


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

     MUR  ASH  SVE  SAL  MAG  TOM  DIX
     ---  ---  ---  ---  ---  ---  ---
00Z: 1.0  2.0  1.8       1.4
01Z: 1.0  1.3  1.6       1.4
02Z: 1.0  1.6  1.6       1.4
03Z:      1.8  1.8       1.4  1.6  1.5
04Z: 1.0  1.5  1.8       1.3  1.8  1.0
05Z:      1.5  1.0  1.0  1.0  1.7  1.5
06Z: 1.0  1.5  1.0  1.5  1.0  1.8  1.0
07Z:           1.0       1.0  1.5  2.8
08Z: 1.0  1.6  1.0  1.8  1.0  1.9  1.9
09Z:      1.6  3.5  1.5
10Z: 1.0  1.8  1.8  1.0  1.0  1.0  1.0
11Z: 1.0       1.8       1.0  1.0
12Z: 1.0  1.4  1.8  1.0  1.0  1.4  1.2
13Z: 1.0  1.5       1.0  1.0  1.0  1.2
14Z: 1.5                 1.0  1.0
15Z: 1.0  2.0       1.0  1.0  1.0
16Z: 1.0  2.0  1.7  1.0  1.0       1.0
17Z: 1.0  2.0  1.6  1.0  1.0  1.0  1.0
18Z: 1.0  2.0  1.6  1.0  1.0       1.0
19Z: 1.0  2.0  1.5  1.0  1.0       1.5
20Z: 1.0  2.0  1.5  1.0  1.4
21Z: 1.0  2.0  1.7  1.0  1.0
22Z:      2.0  1.8  1.0  1.0       1.0
23Z:      2.0  1.8  3.0  1.0       1.0


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

     MUR  ASH  SVE  SAL  MAG  TOM  DIX
     ---  ---  ---  ---  ---  ---  ---
00Z: 1.5                 1.7
01Z: 2.8
02Z: 3.2
03Z:                          2.0
04Z: 2.6  3.2                 2.3
05Z:      3.0                 2.3
06Z: 2.2  3.1  2.5            2.3
07Z:                     2.7  2.8
08Z:           3.2  4.0       2.4
09Z:
10Z:           2.6            2.0  2.5
11Z: 3.0                 2.2  2.7
12Z:      2.2                      4.0
13Z: 2.4  2.7                      3.7
14Z: 3.3                 1.1
15Z: 6.0  3.9       4.0
16Z: 3.4  3.1       3.2  2.1       5.0
17Z: 3.6            1.4            4.0
18Z: 4.0            2.0  2.0       4.4
19Z: 2.0            2.8
20Z: 6.0            7.0  2.0
21Z: 4.7            7.0  2.4
22Z:                4.5            6.2
23Z:                               3.8


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

      MUR  ASH  SVE  SAL  MAG  TOM  DIX  JUL  BOU  WLP  OTI  MAU  VBG  GOO  EIE  TAO  CHU  KEA  ARG  BER  NIC  DYS  LEA  MNZ  BEI  CHQ  GUO  UPS  POI  WAR
     ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----
00Z:       4.4  3.0       5.8            3.2  5.5  5.1      14.4  6.9  5.4  5.7  7.6            2.6  2.9   C   4.6  5.9  3.6  5.1  5.3  7.8
01Z:       4.4  3.2       6.8            3.2  3.7           13.5  5.4  2.8  4.7  7.8            2.4   B    C    B   6.3  4.8  5.4  6.4  8.7
02Z:       4.3  2.8       6.7            3.2   C            11.7  3.1  2.3  3.5  6.6            2.4   B    C   3.1  6.5  6.8       7.0  5.1
03Z:       4.5  2.5       7.0  5.0  1.8  3.1  2.6            9.5  2.6   B   2.9  7.6             B         C   3.7  6.4  6.2  7.2  6.8  6.4
04Z:       6.0  3.0       6.4  5.7  2.2  2.7  2.8            7.5  3.4  8.7  3.5  9.2             B    B   3.0  3.5  6.5  6.5  7.2  6.8  5.9
05Z:       5.6  5.2  3.1  5.1  6.7  2.5  2.7  2.9            3.6  3.4 12.2   A   9.3             B    B   5.0  3.5  6.8  6.2            8.4
06Z:       5.8  6.0  4.8  4.3  6.5  2.8  2.6   C             2.8  3.7  4.6  4.1 10.6             B    B        4.1  7.2  6.5  5.4      11.0
07Z:            6.2       3.5  7.0  3.6  3.8  3.7            4.0  4.1  5.7  4.0  9.5             A    B        4.3   A   5.9  6.7  8.5 11.0  3.0
08Z:  3.2  6.8  6.6  5.7  2.5  7.2  3.7  5.9   C             3.5  4.1  3.6  4.3  8.9             B    B        4.6  9.4  5.0  5.5  8.0 11.2  4.2  5.6
09Z:       6.3  7.5  5.5                 5.5   C             2.5  3.3  4.1  3.9  7.7             B    B        4.3  7.5  5.2  4.8  7.9 11.1  5.0  5.7  5.6
10Z:  5.1  7.2  7.8  4.2  1.8  5.9       6.2   C             2.3  4.0   B    A   5.8            2.2            4.5  4.2  4.0  5.2  7.0  8.6  6.7  7.0  6.4
11Z:  4.8       6.0       1.8  3.6       7.2  3.5            2.1  3.7  8.2   A   6.4            3.9  4.9       2.9  3.6  2.2  3.1  4.5  5.8  6.9  7.9  6.6
12Z:  4.3  6.2  5.5 12.8  2.3  2.9  4.2  7.0   C             2.3  3.3  4.2  4.7  3.9       2.3  5.5  5.8       2.5  3.1  2.2  2.5  3.9  5.8  6.8  7.1  6.7
13Z:  3.3  5.8      12.1  2.5  2.4       7.2   C             3.5  3.7  5.6   A   3.2       3.5  7.0  5.4       3.8   A   2.6  2.7  3.0  3.7  5.9  6.5  6.7
14Z:                      2.5  2.0       5.8  3.9            5.0  3.9  6.0   A   3.1   R   5.0  8.1  5.7       5.8  3.8  3.0  3.1  3.2  3.8  5.2  7.2  5.6
15Z:       5.2            2.4  2.3       6.0   C             2.5  6.9  6.7   B   3.1   B   2.5  8.0   A        7.0  4.1  3.0  3.1  3.2  3.8       7.5  5.2
16Z:  3.0  3.8  2.3       2.5            5.8  6.0            1.3  6.9  6.7   A   3.0   B   1.3  7.5   A        8.6  4.3  3.2  3.2  3.1  3.5  3.7  6.1  4.4
17Z:       3.2  2.3       2.4  2.7       3.2   C             3.8  6.8  6.4  4.1  3.0   B   3.8  7.2   A        8.4  3.9  3.9  3.3  3.3  3.4  2.1  5.4   C
18Z:       3.8  2.3       2.3             A   9.2            6.7  8.9  6.3  3.4  3.9  5.1       6.2  7.0       8.4       3.2  3.5  3.8  4.0  2.2  3.0   C
19Z:       3.9  2.1       2.3       2.5  2.2  8.7            8.4  8.3  5.6  3.4  4.0   F        5.4  6.8       8.2       3.2  3.1  4.0  3.6  2.3  3.1   C
20Z:       3.8  2.3       2.2            2.4   C        6.4  8.6  7.8  5.2   B   2.2  5.5       5.1  6.2       7.4       3.2  3.1  2.9  2.2       3.4  2.9
21Z:       3.6  2.1       2.1            3.0  7.4       7.2  5.9  7.5  4.3   B   1.7   F        3.5  5.7       7.0       2.9  2.8  3.0  2.0       3.3   C
22Z:       4.0  2.3       2.6            3.1  8.9            8.0  7.4  4.1   B   2.1   F        2.0   A        8.5       2.0  2.8  3.0  2.0  2.4  3.3  3.2
23Z:       4.2  2.3  3.9  4.0            3.1   C            10.1  7.6  4.1   B   5.4             B    B        6.0       2.3  3.1  2.8  4.2       3.8  3.0
=========================================
Estimated Average Global foF2:  4.89 MHz.


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

      MUR  ASH  SVE  SAL  MAG  TOM  DIX  JUL  BOU  WLP  MAU  VBG  GOO  EIE  TAO  CHU  KEA  ARG  BER  NIC  DYS  LEA
     ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----
00Z:      14.1           20.9            9.6 20.0 16.8 47.5 24.8 21.6 18.2 27.4            8.1  7.0   C  17.0 17.7
01Z:      14.1  9.3      25.2            9.6 13.1      44.5 19.4  7.3 15.5 29.6            7.0   B    C    B  18.3
02Z:      12.9  7.8      25.5            9.6   C       39.2 10.2  6.7 11.6 23.8            6.5   B    C   9.9 18.2
03Z:      13.9           23.8 18.5  5.2  9.9  8.7      34.2  7.5   B   8.4 25.8             B         C  12.2 17.3
04Z:      21.0  9.6      23.0 18.8  6.8  8.9  9.3      28.1 10.9 22.6 11.9 30.4             B    B   9.0 10.8 16.9
05Z:      19.6 17.2 10.5 17.3 24.1  8.0  8.9  8.6      14.0  9.2 54.9   A  28.8             B    B  17.0 10.5 17.7
06Z:      20.3 21.0 15.8 14.2 23.4  9.2  8.3   C        7.8 10.4 13.3 15.2 35.0             B    B       11.5 19.4
07Z:           20.5      11.9 24.5 10.8 12.2 11.7      12.2 11.9 16.5 12.0 34.2             A    B       12.9   A
08Z: 10.2 21.1 22.4 19.4  8.0 23.8 11.8 21.2   C       12.6 13.9 10.8 14.6 30.3             B    B       14.3 26.3
09Z:      19.5 25.5 18.1                       C        8.4 12.5 10.7 12.1 26.9             B    B       13.8 23.2
10Z: 16.8 23.0      14.3  5.0 21.2             C        7.5 12.0   B    A  18.0            5.5           16.2 15.5
11Z: 14.9      19.8       4.7 11.9           12.2       6.2 11.5 18.0   A  22.4           12.1 16.2       9.6 13.3
12Z: 13.8 19.8 18.1 39.7  6.4  9.0             C        6.7  8.6 14.3 16.9 14.4       6.7 18.7 19.7       6.5 12.1
13Z: 10.6 18.6      37.5  7.0  8.2             C        9.3 10.0 16.2   A   9.3       9.4 22.4 19.4      11.8   A
14Z:                      7.5  6.0                     16.8 10.9 18.6   A  10.2   R  17.0 27.5 21.7      19.7 12.9
15Z:      17.7            6.7  6.9             C         F  23.5 22.1   B   9.9   B    E  26.4   A       23.8 13.9
16Z:  8.7 12.9  6.4       7.5                            A  26.2 22.1   A   8.7   B    A  24.8   A       30.1 15.1
17Z:       9.9  6.4       7.7  7.6             C       11.6 22.4 21.1 16.4  9.3   B  11.8 24.5   A       29.4 14.0
18Z:      11.0  6.9       8.1             A                 31.1 20.8  8.5 12.9 16.3      21.1 28.0      29.4
19Z:      12.9  6.1       7.4       9.5                     28.2 17.9  9.2 15.6   F       17.8 25.2      30.3
20Z:      11.0  6.9       7.0                  C            25.7 15.1   B   6.8 16.5      15.8 21.7      25.9
21Z:      10.8  6.1       6.3                               26.2 15.5   B   5.1   F       10.2 18.2      22.4
22Z:      12.8            8.3                               24.4 11.9   B   6.3   F        5.8   A       29.8
23Z:      12.6      10.5 14.0                  C            25.1 11.5   B  19.4             B    B       20.4
===============================================
Estimated Average Global MUF(3000)F2: 15.76 MHz.


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

      BOU  TAO  ANC  CNV  PAL  SHE  OSA
     ---- ---- ---- ---- ---- ---- ----
00Z:  120  240  190  140  510
01Z:   71  240  110  110  500
02Z:   57  290   80  100
03Z:   51  400   40   99  260
04Z:   58  500   29  100  150
05Z:       460   22  120   69
06Z:   61  350   21  120   48
07Z:   64  280   24  120   49
08Z:   66  230   25  120   48
09Z:   65  180   22  120   40
10Z:   65  170   23  110   26
11Z:   59  180   23  100   27
12Z:   53  130   20  100   31
13Z:   49  120   22  150   43
14Z:   56  120   23  220   65
15Z:   97  130   26  240   32
16Z:  120  130   24  240   31
17Z:  180  120   28        55
18Z:  200  120   39  230  110
19Z:        93   63  270  160
20Z:  170   77       240  180
21Z:  190   74   90  180  190
22Z:  220  110  120  190  260
23Z:  180  190  130  180  360


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

MUR = Murmansk                   USSR                (N68E033)
ASH = Ashkhabad                  USSR                (N37E058)
SVE = Sverdlovsk                 USSR                (N56E061)
SAL = Salekhard                  USSR                (N66E066)
MAG = Magadan                    USSR                (N60E151)
TOM = Tomsk                      USSR                (N56E085)
DIX = Dixon                      USSR                (N74E081)
JUL = Juliusruh/Rugen            Germany             (N54E013)
BOU = Boulder CO                 USA                 (N40W105)
WLP = Wallops Island VA          USA                 (N37W075)
OTI = Ottawa                     Canada              (N45W076)
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)
MNZ = Manzhouli                  China               (N49E117)
BEI = Beijing                    China               (N40E116)
CHQ = Chongqing                  China               (N29E106)
GUO = Guangzhou                  China               (N23E113)
UPS = Uppsala                    Sweden              (N60E018)
POI = Poitiers                   France              (N46E000)
WAR = Warsaw                     Poland              (N52W021)
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.


