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From: oler@rho.uleth.ca (Cary Oler)
Message-Id: <9310221554.AA04905@rho.uleth.ca>
Subject: Daily Summary of Ionospheric Data for 21 October
To: solar-daily@lut.fi
Date: Fri, 22 Oct 93 9:54:28 MDT
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Reply-To: SOLAR-DAILY Distribution List <solar-daily@lut.fi>
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Status: RO

                    ---------------------------------------
                    DAILY IONOSPHERIC SUMMARY FOR 21 OCT 93
                    ---------------------------------------


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

     BOU  WLP  MAU  MUR  ASH  SVE  SAL  TOM  DIX  KHA  VBG  GOO  EIE  TAO  CHU  ARG  BER  NIC  DYS  LEA
     ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---
00Z: 3.7  3.2  3.2                                     3.4       3.3  3.3       3.0  2.8       3.4  3.2
01Z:      3.0  3.3                                     3.6  2.6  3.4  3.4       2.8  2.9       3.3
02Z:      3.1  3.5                                     3.5  3.1  3.1  3.4       2.8  2.9       2.8
03Z:      2.9  3.6                                     3.0  2.5  3.0  3.3       2.9  2.8        A
04Z:      2.9  3.6                                     3.0  2.8  3.0            2.8  2.9       2.9
05Z:      2.9  3.3                                     3.1  3.0  2.9  3.1       3.2  3.1       3.1
06Z:      2.9  3.4                                     3.1  3.2       3.2       3.0  3.2  3.4   B
07Z:      2.8  3.3                                     3.4  3.1       3.4       3.4  3.1  3.5  2.9
08Z:      3.0  3.0                                     2.7   B        3.5        B   3.2   C   2.8
09Z:      3.0  3.3                                     2.8   B        3.5       3.1  3.1  3.6  3.0
10Z:      3.3  3.5                                     2.9  3.1       3.3       3.5  3.4  3.3  3.2  3.7
11Z:      3.4  3.2                                     2.9  3.6       3.2       3.4  3.7  3.3  2.8  3.3
12Z:      3.4  3.4                      3.4            2.8  3.5   A   3.0       3.4  3.3  3.3  3.3  3.1
13Z:      3.3  3.3  3.2            3.1  3.3       2.9  3.0  3.4   A   3.2   R   3.1       3.4  3.6  3.0
14Z:      3.5  3.2  3.2  2.4  2.9  3.0  3.0       2.8  3.7  3.6  2.3  3.0   G   3.5       3.5  3.8  2.9
15Z:      3.2  3.2  3.1  2.9  2.8       3.0       2.8  3.6  3.4  2.5  3.0       3.5       3.5  3.9  2.9
16Z:      3.4  3.2  3.3            3.0  2.9  2.5  2.9  3.3  3.3  3.1   I   3.3  3.0       3.5  3.4  3.1
17Z:      3.2  3.7  3.0            3.0  2.8       3.1  3.4  3.3  3.2  3.7  3.1  3.3  3.1       3.4  3.2
18Z:      3.2       3.1  2.9       2.8       3.2  3.0  3.2       3.1  3.4  3.1       3.1       3.4  3.3
19Z:      3.2                                          3.4  3.3  3.3  3.4  3.2  3.7  3.5       3.3  2.9
20Z:      3.3                                          3.3  3.2  3.2  3.3  3.2  3.9  3.9       3.3  2.6
21Z:      3.2                                          3.2  3.3  3.2  3.0  3.3  3.4  3.5       3.3  3.4
22Z:      3.7                                          3.3  3.6  3.1  3.5       3.6  3.4       3.5  3.4
23Z:      3.3                                          3.4  3.3  3.3  3.6       3.2  3.2       3.5  3.5
=========================================
Estimated Average Global M(3000)F2:  3.20.


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

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


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

     SVE  TOM  DIX  KHA
     ---  ---  ---  ---
00Z:
01Z:
02Z:
03Z:
04Z:
05Z:
06Z:
07Z:
08Z:
09Z:
10Z:
11Z:
12Z:      3.7
13Z: 2.0       3.2  1.7
14Z:           3.6  5.6
15Z:           3.5  3.3
16Z:           3.0
17Z:
18Z:           2.2
19Z:
20Z:
21Z:
22Z:
23Z:


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

      BOU  WLP  OTI  MAU  MUR  ASH  SVE  SAL  TOM  DIX  KHA  VBG  GOO  EIE  TAO  RES  CHU  ARG  BER  NIC  DYS  LEA
     ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----
00Z:  7.1  4.1      11.3                                     8.0       6.6  2.7            3.5  3.9       6.1  6.0
01Z:       3.9      11.5                                     7.9  3.4  6.7  9.4   F        3.4  4.3       4.4
02Z:       3.1       9.1                                     4.6  2.6  5.5 11.6   F        3.2  4.1       3.5
03Z:       3.5       7.0                                     2.8  3.6  4.8 12.4   F        3.0  4.4        A
04Z:       3.6       6.2                                     3.1  3.7  4.5        F        3.1  4.2       3.0
05Z:       3.7       4.3                                     3.5  3.7  3.0 14.4   F        2.8  4.3       3.1
06Z:       4.0       4.1                                     3.7  3.4      16.2            3.1  4.8  8.1   B
07Z:       4.0       3.9                                     3.3  2.7      17.0            3.1  4.7  8.3  2.9
08Z:       3.8       3.9                                     3.4   B       16.3             B   4.0   C   3.1
09Z:       3.8       4.4                                     3.5   B       14.2            2.4  3.3  9.2  3.1
10Z:       3.3       3.6                                     3.6  3.6      13.5            5.3  4.6  8.5  2.8  5.5
11Z:       4.8       3.1                                     3.6  5.3      11.0            6.3  6.4  8.3  3.2  5.4
12Z:       6.4  5.8  3.1                      6.2            3.6  6.3   A   8.0            6.3  7.1  8.9  3.5  5.7
13Z:       7.4  4.7  2.8  5.0       5.5  4.2  4.1       5.0  3.6  6.7   A   7.5        R   7.5       9.6  6.9  5.5
14Z:       7.5  7.7  2.6  5.0  6.6  5.0  3.8  3.4       5.1  6.0  6.6  3.2  6.0        G   7.8       9.4  7.1  4.7
15Z:       7.5  7.7  2.9  4.2  5.8  4.7       3.2  3.9  5.0  7.0  6.8  3.4  5.6   F        7.7       8.8  6.5  5.2
16Z:       8.3  7.6  3.4  3.8            2.8  3.2  4.0  5.2  7.9  7.1  3.6   I        5.7  7.8       7.1  7.4  5.2
17Z:       8.4  7.7  6.6  3.0       4.0  2.0  3.2       5.3  7.8  7.3  3.8  4.5       6.4  7.8  8.9       7.3  4.8
18Z:       9.3  8.8       3.0  4.7  2.8  2.0       4.2  5.3  7.5       4.4  3.6       7.1       8.8       8.0  4.1
19Z:       8.8                                               8.2  7.8  4.9  3.1       7.3  7.0  8.6       8.4  3.8
20Z:       9.1                                               7.8  7.8  5.3  2.7       7.3  6.6  6.9       8.9  3.7
21Z:       8.9                                               7.6  7.4  5.5  2.5       7.1  7.6  8.2       9.4  3.8
22Z:       6.7                                               8.7  6.0  6.0  4.4  5.1       5.8  6.4       8.2  5.6
23Z:       4.8                                               8.6  4.9  6.0  7.0   F        4.4  5.2       8.3  6.9
=========================================
Estimated Average Global foF2:  5.76 MHz.


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

      BOU  WLP  MAU  MUR  ASH  SVE  SAL  TOM  DIX  KHA  VBG  GOO  EIE  TAO  CHU  ARG  BER  NIC  DYS  LEA
     ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----
00Z: 26.1 13.1 36.7                                    27.2      21.8  8.9      10.5 10.9      20.7 19.2
01Z:      11.7 38.5                                    28.4  8.8 22.8 32.0       9.5 12.5      14.5
02Z:       9.6 31.9                                    16.1  8.1 17.0 39.4       9.0 11.9       9.8
03Z:      10.2 25.2                                     8.4  9.0 14.4 40.9       8.7 12.3        A
04Z:      10.4 22.3                                     9.3 10.4 13.5            8.7 12.2       8.7
05Z:      10.7 14.2                                    10.8 11.1  8.7 44.6       9.0 13.3       9.6
06Z:      11.6 13.9                                    11.5 10.9      51.8       9.3 15.4 27.5   B
07Z:      11.2 13.1                                    11.2  8.4      57.8      10.5 14.6 29.1  8.4
08Z:      11.4 11.9                                     9.2   B       57.0        B  12.8   C   8.7
09Z:      11.4 14.7                                     9.8   B       49.7       7.4 10.2 33.1  9.3
10Z:      10.9 12.4                                    10.4 11.2      44.5      18.6 15.6 28.0  9.0 20.4
11Z:      16.3  9.9                                    10.4 19.1      35.2      21.4 23.7 27.4  9.0 17.8
12Z:      21.8 10.5                     21.1           10.1 22.1   A  24.0      21.4 23.4 29.4 11.6 17.7
13Z:      24.4  9.4 16.0           13.0 13.5      14.5 10.8 22.8   A  24.0   R  23.2      32.6 24.8 16.5
14Z:      26.2  8.2 16.0 15.8 14.5 11.4 10.2      14.3 22.2 23.8  7.4 18.0   G  27.3      32.9 27.0 13.6
15Z:      24.0  9.1 13.0 16.8 13.2       9.6      14.0 25.2 23.1  8.5 16.8      26.9      30.8 25.4 15.1
16Z:      28.2 10.7 12.5            8.4  9.3 10.0 15.1 26.1 23.4 11.2   I  18.8 23.4      24.9 25.2 16.1
17Z:      26.9 24.1  9.0            6.0  9.0      16.4 26.5 24.1 12.2 16.6 19.8 25.7 27.6      24.8 15.4
18Z:      29.8       9.3 13.6       5.6      13.4 15.9 24.0      13.6 12.2 22.0      27.3      27.2 13.5
19Z:      28.2                                         27.9 25.7 16.2 10.5 23.4 25.9 30.1      27.7 11.0
20Z:      30.0                                         25.7 25.0 17.0  8.9 23.4 25.7 26.9      29.4  9.6
21Z:      28.5                                         24.3 24.4 17.6  7.5 23.4 25.8 28.7      31.0 12.9
22Z:      24.8                                         28.7 21.6 18.6 15.4      20.9 21.8      28.7 19.0
23Z:      15.8                                         29.2 16.2 19.8 25.2      14.1 16.6      29.1 24.1
===============================================
Estimated Average Global MUF(3000)F2: 18.44 MHz.


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

      BOU  TAO  ANC  CNV  PAL  SHE  OSA
     ---- ---- ---- ---- ---- ---- ----
00Z:  170  270
01Z:  120  380  460   94
02Z:   76  480  430   82
03Z:   61  620        87
04Z:   54  800        89
05Z:   56  820        81
06Z:   51  830        81
07Z:   45  780        82
08Z:   43  730        86
09Z:   43  610        91
10Z:   44  520        91
11Z:   43  470        94
12Z:   41  320       130
13Z:   42  280       160
14Z:   76  180       200
15Z:   99  160
16Z:  110  150
17Z:  140  130  450
18Z:  160  120  480  280
19Z:  180  110  500  320
20Z:  180  100  510  330
21Z:  190  110  550  310
22Z:  190  170  550  300
23Z:  190  230  560  240


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

BOU = Boulder CO                 USA                 (N40W105)
WLP = Wallops Island VA          USA                 (N37W075)
OTI = Ottawa                     Canada              (N45W076)
MAU = Maui HI                    USA                 (N20W157)
MUR = Murmansk                   USSR                (N68E033)
ASH = Ashkhabad                  USSR                (N37E058)
SVE = Sverdlovsk                 USSR                (N56E061)
SAL = Salekhard                  USSR                (N66E066)
TOM = Tomsk                      USSR                (N56E085)
DIX = Dixon                      USSR                (N74E081)
KHA = Khabarovsk                 USSR                (N48E135)
VBG = Vandenberg AFB CA          USA                 (N34W120)
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.


