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From: oler@rho.uleth.ca (Cary Oler)
Message-Id: <9308240413.AA28105@rho.uleth.ca>
Subject: Daily Summary of Ionospheric Data for 23 August
To: solar-daily@lut.fi
Date: Mon, 23 Aug 93 22:13:26 MDT
X-Mailer: ELM [version 2.3 PL11]
Reply-To: SOLAR-DAILY Distribution List <solar-daily@lut.fi>
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Status: OR

                    ---------------------------------------
                    DAILY IONOSPHERIC SUMMARY FOR 23 AUG 93
                    ---------------------------------------


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

     ASH  SAL  TOM  MAG  MUR  DIX  JUL  UPS  GOO  EIE  TAO  RES  CHU  KEA  ARG  NIC  DYS  LEA
     ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---
00Z:      3.0  3.1                 2.9  2.8  3.1       3.3   F        2.9   A        3.6  3.4
01Z:      3.1  3.2  3.0  3.1  2.8  2.8  2.7  3.1       3.3  3.1       3.0   A   2.9  3.2  3.5
02Z: 3.3  3.2  3.1  3.2  3.1  2.8  3.0       2.8       3.3  3.1       3.2   A        3.3  3.3
03Z: 3.2  3.0  3.0  3.2  2.8       3.0  2.8  2.8       3.0            3.2   A   3.2  3.4  3.7
04Z:           3.2  3.2            3.1  3.0  3.1       3.0   F        3.1   B   3.4  3.5  3.1
05Z:      2.8  3.2  3.2  2.7       3.2  3.1   A        2.8   F        3.3  3.0  3.5  3.1  3.0
06Z:      3.2  3.1  3.2            3.2        A        3.0            3.3  3.0  3.6   B   3.1
07Z:      3.2  3.1  3.3  2.8       3.2       3.5        C             3.1   A        3.0  3.5
08Z:      3.2  3.1  3.0            3.2       2.5       3.0            3.2   A   3.2  2.9  3.4
09Z:      3.1  3.2  3.2       3.0            3.3        C             3.1  3.2  3.2  3.0  2.3
10Z:      3.1  3.1  3.2       3.1            3.5        C             2.8  3.5  3.1  2.4  3.4
11Z:      3.2  3.2  3.0  3.2  3.1            3.6        C             2.9  3.8       3.2  3.4
12Z: 3.0  3.3  3.1  3.0  3.1                 3.7        C             3.1  3.5       3.4  3.0
13Z: 3.0  3.2  3.2  3.0  3.2  3.3            3.6       2.9       3.1  3.3  3.3  3.1  3.5  3.2
14Z: 3.1  3.2  3.0  3.2  3.2  3.3            2.8       3.1       3.0  3.2   A   3.2  3.5  3.0
15Z: 3.0  3.3  3.1  3.0  3.2  3.3            3.2       3.1       3.2  3.5   A   3.1  3.4  3.1
16Z:      3.2  3.2       3.2  3.3            2.9       3.1       3.1  3.5  3.1  3.2  3.1  3.1
17Z:      3.1  3.1  2.8  3.1  3.0             A        3.2        C   3.7  3.2  3.3  3.1  2.9
18Z:                                         3.2       3.4       3.0        A   3.2  3.0  2.7
19Z:                                         3.2  2.9  3.1       3.1       3.1  3.0  2.9  3.0
20Z:                                         3.3  2.9  3.1       3.1       3.0  3.0  3.1  3.1
21Z:                                         3.2  2.9  3.1       3.1       3.2  3.3  3.0  3.3
22Z:                                         3.1  2.8  3.7   F             3.3  2.9  3.3  3.6
23Z:                                         2.6  3.1  3.7   F             3.0  3.0  3.1  3.7
=========================================
Estimated Average Global M(3000)F2:  3.14.


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

     ASH  SAL  TOM  MAG  MUR  DIX
     ---  ---  ---  ---  ---  ---
00Z: 1.5  1.0  1.4  1.2
01Z: 1.5  1.0  1.0  1.2  1.0  1.6
02Z: 2.0  1.0  1.0  1.2  1.0  1.8
03Z: 1.6  1.0  1.6  1.0  1.3  1.4
04Z:           1.5  1.2       1.0
05Z:      3.0  1.0  1.1  1.0
06Z:      1.6  1.1  1.2  1.0  1.7
07Z:      1.8  1.0  1.2  1.0  3.8
08Z:      3.1  1.4  1.2  1.0  2.8
09Z:      3.3  1.0  1.2  1.0  3.2
10Z:      3.0  1.2  1.2       1.0
11Z:      1.0  1.3  1.4  1.0  1.0
12Z: 2.0  1.0  1.2  1.5  1.0
13Z: 1.6  1.0  1.0  1.5  1.0  1.0
14Z: 1.2  1.0  1.0  1.5  1.0  1.0
15Z: 1.6  1.0  1.2  1.5  1.0  1.0
16Z:      1.0  1.0  1.3  1.0  1.0
17Z:      1.0  1.0  1.5  1.0  1.0
18Z:
19Z:
20Z:
21Z:
22Z:
23Z:


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

     ASH  SAL  TOM  MAG  MUR  DIX
     ---  ---  ---  ---  ---  ---
00Z: 3.0  3.8       3.4
01Z: 2.2       2.6  3.8  4.0  3.0
02Z: 2.9       3.0  3.7       3.4
03Z: 3.0       3.5  3.2  4.2  3.0
04Z:           4.0  3.2
05Z:      3.2  4.6  3.1
06Z:      3.3  3.9  2.6       3.6
07Z:      3.6  4.0  2.5
08Z:           4.0  2.1  4.5  3.3
09Z:           3.4       4.5
10Z:           3.0            2.9
11Z:
12Z: 4.8       2.0
13Z: 5.6       1.9
14Z: 5.2       5.0            2.5
15Z: 5.0  2.5  3.5  2.6
16Z:      2.0  4.0  2.0       2.5
17Z:           3.8  2.3  4.5  4.2
18Z:
19Z:
20Z:
21Z:
22Z:
23Z:


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

      ASH  SAL  TOM  MAG  MUR  DIX  JUL  UPS  OTI  GOO  EIE  TAO  RES  CHU  KEA  ARG  NIC  DYS  LEA
     ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----
00Z:       3.6  4.7  4.7            3.4  2.9       5.8       5.5  5.2      11.1   A        6.9  7.0
01Z:       4.2  5.5  5.3  4.0  4.8  3.4  3.0       4.7       6.1  5.5      11.9   A   3.7  7.7  7.4
02Z:  5.4  4.3  5.7  5.6  4.5  4.8  3.4            3.7       6.5  5.4      12.0   A        6.7  8.4
03Z:  5.5  5.0  5.6  5.7  5.0  5.0  3.4  3.1       4.0       7.1           10.6   A   3.6  5.7  7.1
04Z:            5.7  5.6       5.0  3.5  3.6       3.4       7.8   F        9.3   B   5.9  4.0  6.4
05Z:       5.2  5.9  5.3  4.5       4.6  4.8        A        8.9  4.6       9.4  3.2  7.3  3.8  6.8
06Z:       5.4  6.0  5.4  5.0  5.0  5.8             A       10.0            8.0  3.3  7.5   B   7.0
07Z:       5.6  6.2  5.2  5.5       5.9            5.4        C             7.3   A        3.7  7.0
08Z:       5.9  6.4  5.1  5.8  5.0  6.4            2.5      11.0            7.0   A   7.2  3.5  6.6
09Z:       5.8  6.1  5.5  5.8  5.5                 4.0        C             6.2  4.2  7.4  3.5  5.9
10Z:       5.5  5.8  6.0       5.2                 5.1        C             5.9  5.4  7.0  3.6  4.7
11Z:       5.4  5.6  5.8  5.5  5.2                 5.6        C             4.9  6.0       3.5  4.8
12Z:  7.0  5.5  5.7  5.3  5.7                 5.2  5.6        C             4.6  5.7       4.8  3.7
13Z:  6.8  5.6  5.7  4.7  5.5  5.2            5.8  5.9       5.3       4.5  4.7  5.6  7.3  6.1  3.4
14Z:  6.4  5.5  5.7  4.2  5.8  5.2            6.1  5.9       5.9       4.9  4.0   A   7.4  6.2  3.4
15Z:  7.0  5.5  5.8  3.9  5.5  5.2            6.3  5.6       5.9       5.3  4.4   A   7.1  6.1  3.6
16Z:       5.5  5.2       5.5  5.2            6.0  5.7       6.0       5.6  4.1  5.9  7.8  6.0  3.7
17Z:       5.2  4.4  3.2  6.0  5.0            5.9   A        5.7        C   5.1  5.9  8.5  6.3  3.4
18Z:                                          5.9  5.8       5.1       5.7        A   5.9  6.5  3.4
19Z:                                               5.8  5.3  3.9       5.9       6.1  4.8  6.6  3.7
20Z:                                               5.8  5.2  3.8       5.8       5.9  4.9  6.7  3.9
21Z:                                               5.9  5.4  3.9       5.9       5.8  4.8  7.3  3.8
22Z:                                               6.2  5.6  5.4   F             6.1  4.6  7.9  5.1
23Z:                                               6.3  5.1  7.0   F             6.5  4.3  7.7  6.3
=========================================
Estimated Average Global foF2:  5.57 MHz.


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

      ASH  SAL  TOM  MAG  MUR  DIX  JUL  UPS  GOO  EIE  TAO  RES  CHU  KEA  ARG  NIC  DYS  LEA
     ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----
00Z:      10.8 14.6                 9.9  8.0 18.0      18.1   F       32.2   A       24.8 23.8
01Z:      13.0 17.6 15.9 12.4 13.4  9.5  8.0 14.6      20.1 17.0      35.7   A  10.7 24.6 25.9
02Z: 17.8 13.8 17.7 17.9 13.9 13.4 10.2      10.4      21.4 16.7      38.4   A       22.1 27.7
03Z: 17.6 15.0 16.8 18.2 14.0      10.2  8.8 11.2      21.3           33.9   A  11.5 19.4 26.3
04Z:           18.2 17.9           10.8 10.6 10.5      23.4   F       28.8   B  20.1 14.0 19.8
05Z:      14.6 18.9 17.0 12.2      14.7 14.9   A       24.9   F       31.0  9.6 25.6 11.8 20.4
06Z:      17.3 18.6 17.3           18.6        A       30.0           26.4  9.9 27.0   B  21.7
07Z:      17.9 19.2 17.2 15.4      18.9      18.9        C            22.6   A       11.1 24.5
08Z:      18.9 19.8 15.3           20.5       6.2      33.0           22.4   A  23.0 10.2 22.4
09Z:      18.0 19.5 17.6      16.5           13.2        C            19.2 13.4 23.7 10.5 13.6
10Z:      17.0 18.0 19.2      16.1           17.9        C            16.5 18.9 21.7  8.6 16.0
11Z:      17.3 17.9 17.4 17.6 16.1           20.2        C            14.2 22.8      11.2 16.3
12Z: 21.0 18.1 17.7 15.9 17.7                20.7        C            14.3 19.9      16.3 11.1
13Z: 20.4 17.9 18.2 14.1 17.6 17.2           21.2      15.4      13.9 15.5 18.5 22.6 21.4 10.9
14Z: 19.8 17.6 17.1 13.4 18.6 17.2           16.5      18.3      14.7 12.8   A  23.7 21.7 10.2
15Z: 21.0 18.1 18.0 11.7 17.6 17.2           17.9      18.3      17.0 15.4   A  22.0 20.7 11.2
16Z:      17.6 16.6      17.6 17.2           16.5      18.6      17.4 14.3 18.3 25.0 18.6 11.5
17Z:      16.1 13.6  9.0 18.6 15.0             A       18.2        C  18.9 18.9 28.0 19.5  9.9
18Z:                                         18.6      17.3      17.1        A  18.9 19.5  9.2
19Z:                                         18.6 15.4 12.1      18.3      18.9 14.4 19.1 11.1
20Z:                                         19.1 15.1 11.8      18.0      17.7 14.7 20.8 12.1
21Z:                                         18.9 15.7 12.1      18.3      18.6 15.8 21.9 12.5
22Z:                                         19.2 15.7 20.0   F            20.1 13.3 26.1 18.4
23Z:                                         16.4 15.8 25.9   F            19.5 12.9 23.9 23.3
===============================================
Estimated Average Global MUF(3000)F2: 17.49 MHz.


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

      BOU  TAO  ANC  CNV  PAL  SHE  OSA
     ---- ---- ---- ---- ---- ---- ----
00Z:   16  200  110  250  370
01Z:   17  230  110  230  410
02Z:   17       110  170  410
03Z:   14       100  130  360
04Z:   15  340  110  120  320
05Z:            110  110
06Z:       410  100  120
07Z:       430   98   94
08Z:   15  420   80  100
09Z:   15  370   73
10Z:   16  310   68
11Z:   15  220   61
12Z:   15        60  120
13Z:   15  160   54  180
14Z:   14  120   49  180
15Z:   41  120   53  190
16Z:   54  140   79  210
17Z:   68  150  110  220
18Z:   69  120  130  230
19Z:   76  100  140  240
20Z:   81  110  130  250
21Z:   89  120  130  270
22Z:   87  160  120  270
23Z:   81  190  110  250


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

ASH = Ashkhabad                  USSR                (N37E058)
SAL = Salekhard                  USSR                (N66E066)
TOM = Tomsk                      USSR                (N56E085)
MAG = Magadan                    USSR                (N60E151)
MUR = Murmansk                   USSR                (N68E033)
DIX = Dixon                      USSR                (N74E081)
JUL = Juliusruh/Rugen            Germany             (N54E013)
UPS = Uppsala                    Sweden              (N60E018)
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)
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)
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.


