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From: oler@rho.uleth.ca (Cary Oler)
Message-Id: <9310231438.AA09003@rho.uleth.ca>
Subject: Daily Summary of Ionospheric Data for 22 October
To: solar-daily@lut.fi
Date: Sat, 23 Oct 93 8:38:45 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 22 OCT 93
                    ---------------------------------------


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

     ASH  SVE  TOM  UPS  MUR  SAL  DIX  KHA  MAG  BOU  WLP  VBG  GOO  EIE  TAO  CHU  ARG  BER  NIC  DYS  LEA
     ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---
00Z: 2.6  2.6  3.1  2.8                           3.6  3.5  3.3  3.2  3.4  3.5       2.8  3.2  3.0  3.5  3.3
01Z: 2.9       3.2       3.0  2.8       3.2  3.5       3.0  3.6  2.6  3.4  3.2       3.0  2.7  3.2  3.5  3.2
02Z:           3.1  2.8  2.9  3.0       3.4  3.6       2.8  2.9  2.8  3.2  3.3       2.6  3.0  3.3   A   3.1
03Z:           3.3                      3.5  3.6       2.6  4.0  3.0  3.1  3.3       2.8  2.8  3.4  3.1  3.1
04Z: 3.2       3.4            3.3       3.2  3.4       2.6  2.9  2.8  3.0  3.2        B   2.9  3.6  2.9  3.1
05Z: 3.2       3.4  3.0  3.1  3.3       3.4  3.4       2.7  2.8  2.8  2.9  3.2        B   2.9  3.8  3.1  3.1
06Z: 3.1       3.5       3.2  3.2  3.3  3.4  3.4       2.9  3.2  3.0  2.6  3.2        A             3.0  3.1
07Z:           3.5       3.2  3.3  3.3  3.3  3.4       3.0  3.0   A   2.8  3.3        A   3.4       3.1  3.1
08Z:      2.9  3.4            3.3       3.6  3.4       2.9  2.8  2.6   A   3.4        B   3.6       3.0  3.1
09Z: 3.1       3.3       3.4  3.3  3.1  3.1  3.2       3.1  2.7  3.2  3.7  3.4        A   3.5       3.0  3.0
10Z: 3.0       3.5       3.2  3.3  3.3  3.1  3.2       3.1  2.8  3.1  3.7  3.3       3.4  3.3       2.9  3.4
11Z:           3.5       2.8  3.4       3.0  3.1       3.5  2.8  3.5   A   3.2       3.3  3.7       3.0  3.6
12Z:                     3.4  3.3                                3.4   A   3.0            4.0       3.1
13Z:                                                   3.4  2.9  3.3  3.7  3.2       3.5  3.5       3.6  3.3
14Z:                                                   3.4  3.2  3.3  3.0  2.9       3.2  3.3       3.5  3.2
15Z:                                                   3.3  3.5  3.2  2.6   I        3.3  3.3       3.6  2.9
16Z:                                                   3.3  3.3  3.2  2.8  3.2       3.2  3.2       3.4  3.0
17Z:                                                                       3.5
18Z:                                                                       3.7
19Z:                                                   3.0  3.1  3.3  3.0  3.7       3.3  3.5       3.1  2.9
20Z:                                                   3.2  3.1  3.2  3.1  2.8  3.1  3.3  3.0       3.2  2.8
21Z:                                                   3.3  3.2  3.2  2.9  2.6  3.2  3.3  3.9       3.3  2.8
22Z:                                                   3.4  3.3  3.0  3.2  3.4       3.2  3.5       3.4  3.3
23Z:                                                   3.2  3.4  2.9  3.0  3.8       3.0  3.3       3.5  3.2
=========================================
Estimated Average Global M(3000)F2:  3.19.


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

     ASH  SVE  TOM  MUR  SAL  DIX  KHA  MAG
     ---  ---  ---  ---  ---  ---  ---  ---
00Z: 2.0  1.6  1.0
01Z: 2.0  1.6  1.5  1.0  1.0       1.2  1.1
02Z:      2.2  1.3  1.2  1.0       1.3  1.1
03Z:      1.8  1.0                 1.5  1.1
04Z: 1.9  1.0  1.6       2.0       1.2  1.1
05Z: 2.0  1.0  1.4  2.1  1.8       1.3  1.0
06Z: 2.0  1.0  1.6  1.3  1.0  3.5  1.4  1.0
07Z:           1.5  1.0  1.5  2.1  1.2  1.0
08Z:      1.0  1.5       4.0       1.2  1.0
09Z: 1.9  1.0  1.4  2.3  3.4  3.5  1.2  1.0
10Z: 1.8  1.0  1.0  2.3  2.5  1.6  1.1  1.0
11Z:      1.0  1.0  2.5  1.8  1.2  1.2  1.0
12Z:      1.0       2.3  1.6
13Z:
14Z:
15Z:
16Z:
17Z:
18Z:
19Z:
20Z:
21Z:
22Z:
23Z:


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

     ASH  SVE  TOM  MUR  DIX  KHA  MAG
     ---  ---  ---  ---  ---  ---  ---
00Z:           3.0
01Z:                2.6       3.7  3.0
02Z:           2.1                 2.7
03Z:           1.4            3.2  2.5
04Z:           2.6
05Z: 3.4       2.8            3.7  2.5
06Z: 3.4  3.0  2.8            3.0  2.2
07Z:           2.8            3.8  1.5
08Z:      3.0                 1.8  1.5
09Z: 3.6  3.0  2.3                 2.1
10Z: 3.3       2.0       2.0  3.5  2.3
11Z:           2.0       2.5  2.1  1.5
12Z:
13Z:
14Z:
15Z:
16Z:
17Z:
18Z:
19Z:
20Z:
21Z:
22Z:
23Z:


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

      ASH  SVE  TOM  UPS  POI  MUR  SAL  DIX  KHA  MAG  BOU  WLP  OTI  VBG  GOO  EIE  TAO  RES  CHU  ARG  BER  NIC  DYS  LEA
     ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----
00Z:  4.2  3.8  3.2  2.1  3.6                           7.0  4.5       8.8  4.6  6.2  7.8            4.1  4.6  3.7  6.7  6.8
01Z:  4.1       4.0  2.3  3.6  3.0  2.0       8.2  7.2       3.6       6.3  4.0  5.6  9.2            3.8  4.1  3.8  3.8  7.4
02Z:       3.6  6.5  2.4  3.7  3.3  2.2       7.4  8.9       3.7       3.4  2.9  5.1 11.6   F        3.6  4.2  3.5   A   8.1
03Z:       5.0  6.4       3.5                 9.2  7.6       4.1       5.6  2.6  4.8 12.2  4.1       2.7  4.5  3.3  3.3  8.3
04Z:  8.2  4.0  8.4       3.2       5.0       8.4  7.5       4.2       6.9  2.6  4.1 11.2   F         B   4.1  4.9  3.6  8.5
05Z:  8.5  7.0  8.5  2.2  3.4  3.2  5.6       7.3  6.9       4.4       3.5  2.7  3.0 12.6   F         B   4.7  6.7  3.3  8.7
06Z:  9.6  8.0  7.6       3.8  4.8  6.2  5.2  8.1  7.4       4.4       4.1  2.7  2.7 14.8             A             3.7  8.5
07Z:            8.6       6.3  5.4  6.7  5.5  8.8  6.5       4.3       3.2   A   6.8 14.4             A   5.7       3.7  7.9
08Z:       8.5 13.8                 7.0       6.8  5.0       4.4       3.3  3.3   A  13.6             B   5.4       4.1  7.2
09Z:  7.8  8.0  8.7            6.8  7.7  6.7  5.1  4.5       4.5       3.2  2.8  5.2 13.4             A   2.6       3.7  7.8
10Z:  8.0  8.0  7.9            7.2  7.3  5.8  5.0  3.6       3.7       3.3  3.4  4.4 12.0            4.5  4.6       3.8  7.8
11Z:       7.0  6.6            7.5  6.9       5.0  2.9       4.7       3.5  4.6   A  10.1            5.4  5.4       3.7  5.6
12Z:       7.0                 6.7  6.5                           4.6       5.1   A   9.0                 6.5       4.1
13Z:                                                         6.5  5.7  3.4  5.8  6.8  8.5            6.2  7.1       6.1  5.7
14Z:                                                         7.2  6.2  5.3  6.1  4.1  6.0            7.0  7.2       7.7  5.1
15Z:                                                         7.6  6.8  8.0  6.3  3.7   I             7.2  7.8       7.5  5.5
16Z:                                                         7.5  6.8  8.8  6.6  3.6  4.4            7.1  8.2       8.0  5.1
17Z:                                                              7.0                 4.2
18Z:                                                              7.2                 3.7
19Z:                                                         8.6       8.2  7.1  4.8  2.7            7.8  8.2       8.2  4.1
20Z:                                                         9.3       9.4  7.7  5.6  2.5       7.2  7.0  5.6       9.0  3.9
21Z:                                                         8.5       9.2  6.4  5.6  2.5       6.8  7.0  6.9       9.3  3.9
22Z:                                                         6.8       9.1  6.0  5.8  5.1   F        5.9  5.5       9.5  5.1
23Z:                                                         5.8       9.4  5.1  5.7  7.7   F        5.3  5.6       8.9  5.8
=========================================
Estimated Average Global foF2:  5.99 MHz.


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

      ASH  SVE  TOM  UPS  MUR  SAL  DIX  KHA  MAG  BOU  WLP  VBG  GOO  EIE  TAO  CHU  ARG  BER  NIC  DYS  LEA
     ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----
00Z: 10.9  9.9  9.9  5.8                          25.3 15.8 29.0 14.7 21.1 27.3      11.5 14.7 11.1 23.4 22.4
01Z: 11.9      12.8       9.0  5.6      26.2 25.2      10.8 22.7 10.4 19.0 29.4      11.4 11.1 12.2 13.3 23.7
02Z:           20.1  6.8  9.6  6.6      25.2 32.0      10.4  9.9  8.1 16.3 38.3       9.4 12.6 11.6   A  25.1
03Z:           21.1                     32.2 27.4      10.7 22.4  7.8 14.9 40.3       7.6 12.6 11.2 10.2 25.7
04Z: 26.2      28.6           16.5      26.9 25.5      10.9 20.0  7.3 12.3 35.8        B  11.9 17.6 10.4 26.3
05Z: 27.2      28.9  6.7  9.9 18.5      24.8 23.5      11.9  9.8  7.6  8.7 40.3        B  13.6 25.5 10.2 27.0
06Z: 29.8      26.6      15.4 19.8 17.2 27.5 25.2      12.8 13.1  8.1  7.0 47.4        A            11.1 26.3
07Z:           30.1      17.3 22.1 18.1 29.0 22.1      12.9  9.6   A  19.0 47.5        A  19.4      11.5 24.5
08Z:      24.7 46.9           23.1      24.5 17.0      12.8  9.2  8.6   A  46.2        B  19.4      12.3 22.3
09Z: 24.2      28.7      23.1 25.4 20.8 15.8 14.4      13.9  8.6  9.0 19.2 45.6        A   9.1      11.1 23.4
10Z: 24.0      27.6      23.0 24.1 19.1 15.5 11.5      11.5  9.2 10.5 16.3 39.6      15.3 15.2      11.0 26.5
11Z:           23.1      21.0 23.5      15.0  9.0      16.4  9.8 16.1   A  32.3      17.8 20.0      11.1 20.2
12Z:                     22.8 21.4                               17.3   A  27.0           26.0      12.7
13Z:                                                   22.1  9.9 19.1 25.2 27.2      21.7 24.9      22.0 18.8
14Z:                                                   24.5 17.0 20.1 12.3 17.4      22.4 23.8      26.9 16.3
15Z:                                                   25.1 28.0 20.2  9.6   I       23.8 25.7      27.0 16.0
16Z:                                                   24.8 29.0 21.1 10.1 14.1      22.7 26.2      27.2 15.3
17Z:                                                                       14.7
18Z:                                                                       13.7
19Z:                                                   25.8 25.4 23.4 14.4 10.0      25.7 28.7      25.4 11.9
20Z:                                                   29.8 29.1 24.6 17.4  7.0 22.3 23.1 16.8      28.8 10.9
21Z:                                                   28.0 29.4 20.5 16.2  6.5 21.8 23.1 26.9      30.7 10.9
22Z:                                                   23.1 30.0 18.0 18.6 17.3      18.9 19.2      32.3 16.8
23Z:                                                   18.6 32.0 14.8 17.1 29.3      15.9 18.5      31.1 18.6
===============================================
Estimated Average Global MUF(3000)F2: 19.10 MHz.


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

      BOU  TAO  ANC  CNV  PAL  SHE  OSA
     ---- ---- ---- ---- ---- ---- ----
00Z:  160  260  550       410
01Z:  110  360  550  110  400
02Z:   70  460  530   96  290
03Z:   61       510  100  200
04Z:   57       500  100  130
05Z:   58       470   98   92
06Z:   59       450   98   81
07Z:   58       440  100   74
08Z:   57       440  110   58
09Z:   54       440  110   42
10Z:   52       440  110   38
11Z:   51       440  110   38
12Z:   52       440  140   37
13Z:   52       440  160   16
14Z:   87       440  200   16
15Z:  130       440  220   19
16Z:  150       440  270   21
17Z:  160       470        83
18Z:  190                 170
19Z:  200                 250
20Z:            470  360  280
21Z:  240  120  490  380  320
22Z:  230  200  480  340  440
23Z:       230  490  300  530


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

ASH = Ashkhabad                  USSR                (N37E058)
SVE = Sverdlovsk                 USSR                (N56E061)
TOM = Tomsk                      USSR                (N56E085)
UPS = Uppsala                    Sweden              (N60E018)
POI = Poitiers                   France              (N46E000)
MUR = Murmansk                   USSR                (N68E033)
SAL = Salekhard                  USSR                (N66E066)
DIX = Dixon                      USSR                (N74E081)
KHA = Khabarovsk                 USSR                (N48E135)
MAG = Magadan                    USSR                (N60E151)
BOU = Boulder CO                 USA                 (N40W105)
WLP = Wallops Island VA          USA                 (N37W075)
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)
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.


