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From: oler@rho.uleth.ca (Cary Oler)
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Subject: Daily Summary of Ionospheric Data for 15 October
To: solar-daily@lut.fi
Date: Sat, 16 Oct 93 17:55:55 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 15 OCT 93
                    ---------------------------------------


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

     MUR  SVE  SAL  TOM  DIX  MAG  JUL  UPS  BOU  WLP  GOO  EIE  TAO  CHU  ARG  NIC  DYS  LEA
     ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---
00Z:                3.0       3.4   C        3.7  3.2  3.0  3.3  3.4       3.0  3.2  2.7  3.3
01Z: 2.8  2.6  2.9  3.2       3.4   C             3.0  2.9  3.3  3.3       2.9  3.4  3.6  3.2
02Z: 2.8       3.2  3.5  3.0  3.4   C             3.0  2.9  3.0  3.1       3.3  3.4   A   3.1
03Z: 3.1       3.3  3.3       3.3   C             2.8  2.7  3.0  3.2       2.7  3.3  2.9  2.9
04Z: 3.1  3.0  3.3  3.2  3.3        C             2.7  2.9  3.0  3.2       2.8  3.8  2.8  3.0
05Z: 3.3       3.3  3.3  3.3  3.4   C   3.2       3.0  2.5  3.0  3.1        B   3.6  3.1  3.1
06Z: 3.3       3.3  3.5  3.3  3.4  3.3            2.9  2.5  2.6  3.2       2.9  3.6  3.2  2.9
07Z: 3.4       3.3       3.3  3.4  3.6            3.0  2.6  2.6  3.3       3.1  3.6  3.0  3.0
08Z: 3.4       3.3  3.4  3.3  3.4  3.8            3.0  2.7   A   3.3       3.3   C   3.0  3.2
09Z: 3.4  3.2  3.3            3.1                 2.9  2.3  3.5  3.5       3.2  3.3  3.1  3.4
10Z: 3.5       3.3       3.3  3.2                 3.0  3.1  2.8   I        3.6  3.5  3.2  3.6
11Z: 3.4  3.2  3.4  3.4  3.4  3.2                 3.3  3.6  2.9  3.5       3.5  3.4  3.0  3.0
12Z: 3.4  3.0  3.3       2.9  3.0                 3.6  3.1  4.1  3.2       3.6  3.2  3.0  3.4
13Z: 3.4  3.0                 3.0                 3.5  3.3  3.8  2.9   R   3.6  3.3  3.5  3.2
14Z: 3.5  2.9            3.1  3.0                 3.4  3.4  2.2  2.6       3.4  3.4  3.5  3.0
15Z: 3.4            2.9       3.0                 3.2  3.4  2.4   I   3.4  3.3  3.7  3.4  2.8
16Z: 3.3            3.0       3.0                 3.2  3.5       3.1  3.3  3.3  3.9  3.5
17Z: 3.1            2.9                           3.2  3.5       3.4  3.3  3.3  3.3  3.4  3.3
18Z: 2.8                                          3.2  3.2       3.7  3.3  3.3  3.3  3.4  2.9
19Z:                                              3.1  3.4       3.0  3.3  3.5  2.9  3.3  3.0
20Z:                                              3.3  3.6       3.1  3.3  3.4  2.8  3.3  3.2
21Z:                                              3.3  3.1       3.0  3.3  3.2  2.9  3.2  3.5
22Z:                                              3.2  3.2       3.4       3.3  3.0  3.4  3.6
23Z:                                              3.2  3.3       3.5       3.2  3.1  3.5  3.3
=========================================
Estimated Average Global M(3000)F2:  3.20.


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

     MUR  SVE  SAL  TOM  DIX  MAG
     ---  ---  ---  ---  ---  ---
00Z: 1.8  1.8       1.0       1.1
01Z: 2.5  1.8  1.0  1.0  1.5  1.0
02Z: 2.1       1.0  1.0  1.2  1.5
03Z: 1.8  1.8  1.6  1.3       1.4
04Z: 1.0  1.7  1.0  1.4  2.0
05Z: 2.3  1.8  1.0  1.4  1.6  1.5
06Z: 3.0  1.5  1.0  1.6  2.8  1.4
07Z: 2.2  1.7  1.0       2.5  1.4
08Z: 3.0  1.8  1.0  2.0  3.2  1.3
09Z: 2.0  1.7  1.0            1.5
10Z: 2.0  1.5  1.0       1.6  1.2
11Z: 2.0  1.7  1.0  1.5  1.2  1.3
12Z: 2.0  1.8  1.0       1.0  1.4
13Z: 1.2  1.6                 1.3
14Z: 1.2  1.8            1.0  1.2
15Z: 1.2  1.5       1.0  1.0  1.2
16Z: 1.2  1.6       1.0  1.6  1.0
17Z: 1.7  1.8       1.0  2.4  1.1
18Z: 1.0                 1.0  1.0
19Z:
20Z:
21Z:
22Z:
23Z:


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

     MUR  SVE  SAL  TOM  DIX  MAG
     ---  ---  ---  ---  ---  ---
00Z: 4.2            3.0
01Z:                     3.6
02Z:                1.9  2.5
03Z:                2.6
04Z:      2.2       3.4  3.0
05Z:      2.7       3.2  2.2  2.0
06Z:      3.3       3.2       1.7
07Z:      3.8  2.4            1.8
08Z:      4.0  2.5  3.0
09Z:           2.7
10Z:           5.0            2.3
11Z:           2.5            2.3
12Z:           2.2       2.5
13Z: 2.8
14Z: 2.6                 2.4
15Z:                3.4  2.8
16Z:      2.8            4.6
17Z:                     5.0  2.3
18Z:                     5.4
19Z:
20Z:
21Z:
22Z:
23Z:


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

      MUR  SVE  SAL  TOM  DIX  MAG  JUL  UPS  WAR  POI  BOU  WLP  OTI  GOO  EIE  TAO  RES  CHU  ARG  NIC  DYS  LEA
     ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----
00Z:       2.6       2.4       5.5   C         C   3.6  6.9  4.2       4.4  6.0  8.3            4.1  3.5  5.6  7.6
01Z:  3.3  2.5  2.1  3.7       6.7   C        3.0  3.7       3.7       3.4  5.3  9.5  4.3       3.5  3.5  4.5  7.0
02Z:  3.6       2.7  5.1  3.4  7.1   C        3.0  3.8       3.5       2.7  5.4 11.2   F        2.4  3.1   A   7.6
03Z:  3.7  5.0  4.0  5.8       7.1   C         C   3.8       3.6       2.3  5.3 13.4   F        3.1  3.1  3.0  8.6
04Z:  2.7  6.3  4.8  6.7  4.6        C         C   3.9       3.5       2.7  4.3 14.8   F        3.0  4.9  3.4  9.2
05Z:  4.8  7.0  5.2  6.8  5.0  6.8   C   2.7  3.7  3.1       3.5       2.7  3.1 16.3   F         B   6.4  3.7  9.1
06Z:  5.8  7.3  5.4  7.0  5.0  6.0  4.6       5.8  3.6       3.7       2.7  2.4 15.0            2.6  8.1  3.8  8.4
07Z:  5.0  7.5  5.7       5.1  5.5  6.3       6.4  6.2       3.5       2.6  2.3 14.8            2.7  8.1  3.7  8.3
08Z:  5.8  7.0  6.0  7.0  5.5  4.6  7.0       7.8            3.4       2.6   A  14.8            2.6   C   3.9  7.6
09Z:  5.8  7.0  6.1            4.0                           3.2       2.6  3.9 14.6            2.6  8.6  4.0  6.4
10Z:  6.8  7.3  6.0       5.3  3.9                           3.2       3.9  6.4   I             4.8  9.3  3.6  5.7
11Z:  6.8  7.0  6.1  5.7  4.8  3.5                           5.7       5.5  2.3  8.1            7.2  8.0  3.8  5.6
12Z:  6.5  6.3  5.3       3.1  3.2                           7.5  5.2  8.6  4.3  6.7            8.2  7.0  4.1  4.4
13Z:  6.3  6.0                 3.0                           7.5  7.2  7.8  3.2  5.2        R   8.2  7.8  6.7  4.6
14Z:  5.3  4.8            2.6  2.9                           7.6  7.7  9.2  2.8  4.7  5.0       8.0  9.4  7.6  4.6
15Z:  5.4  4.3       3.5       2.7                           7.8  7.8  7.7  3.0   I        5.5  8.2 10.1  7.7  4.5
16Z:  4.0  3.5       3.4       2.7                           8.4  8.0  8.2       4.7       6.1  7.8  6.8  8.7
17Z:  3.0  3.3       3.4                                     8.0  7.7  7.5       5.0       6.5  7.4  3.1  8.0  4.5
18Z:  2.0                                                    8.1  8.4  7.5       3.8       7.1  7.0  3.1  7.7  4.1
19Z:                                                         8.1       7.0       2.8       7.1  7.0  3.2  7.8  3.9
20Z:                                                         7.9       7.0       2.0       7.4  7.5  3.6  8.0  3.8
21Z:                                                         8.0       7.0       2.0       7.1  6.7  3.6  8.8  4.3
22Z:                                                         7.8       6.6       4.1   F        5.8  3.7  8.3  5.8
23Z:                                                         5.1       5.8       6.1   I        5.7  3.7  8.0  6.4
=========================================
Estimated Average Global foF2:  5.60 MHz.


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

      MUR  SVE  SAL  TOM  DIX  MAG  JUL  UPS  BOU  WLP  GOO  EIE  TAO  CHU  ARG  NIC  DYS  LEA
     ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----
00Z:                 7.2      18.7   C       25.5 13.4 13.2 19.8 28.2      12.3 11.2 15.1 25.1
01Z:  9.2  6.5  6.1 11.8      22.8   C            11.1  9.9 17.5 31.4      10.2 11.9 16.2 22.4
02Z: 10.1       8.6 17.9 10.2 24.1   C            10.5  7.8 16.2 34.7       7.9 10.5   A  23.6
03Z: 11.5      13.2 19.1      23.4   C            10.1  6.2 15.9 42.9       8.4 10.2  8.7 24.9
04Z:  8.4 18.9 15.8 21.4 15.2        C             9.4  7.8 12.9 47.4       8.4 18.6  9.5 27.6
05Z: 15.8      17.2 22.4 16.5 23.1   C   8.6      10.5  6.8  9.3 50.5        B  23.0 11.5 28.2
06Z: 19.1      17.8 24.5 16.5 20.4 15.2           10.7  6.8  6.2 48.0       7.5 29.2 12.2 24.4
07Z: 17.0      18.8      16.8 18.7 22.7           10.5  6.8  6.0 48.8       8.4 29.2 11.1 24.9
08Z: 19.7      19.8 23.8 18.1 15.6 26.6           10.2  7.0   A  48.8       8.6   C  11.7 24.3
09Z: 19.7 22.4 20.1           12.4                 9.3  6.0 13.7 51.1       8.3 28.4 12.4 21.8
10Z: 23.8      19.8      17.5 12.5                 9.6 12.1 17.9   I       17.3 32.5 11.5 20.5
11Z: 23.1 22.4 20.7 19.4 16.3 11.2                18.8 19.8  6.7 28.4      25.2 27.2 11.4 16.8
12Z: 22.1 18.9 17.5       9.0  9.6                27.0 26.7 17.6 21.4      29.5 22.4 12.3 15.0
13Z: 21.4 18.0                 9.0                26.2 25.7 12.2 15.1   R  29.5 25.7 23.4 14.7
14Z: 18.6 13.9            8.1  8.7                25.8 31.3  6.2 12.2      27.2 32.0 26.6 13.8
15Z: 18.4           10.2       8.1                25.0 26.2  7.2   I  18.7 27.1 37.4 26.2 12.6
16Z: 13.2           10.2       8.1                26.9 28.7      14.6 20.1 25.7 26.5 30.4
17Z:  9.3            9.9                          25.6 26.2      17.0 21.4 24.4 10.2 27.2 14.8
18Z:  5.6                                         25.9 24.0      14.1 23.4 23.1 10.2 26.2 11.9
19Z:                                              25.1 23.8       8.4 23.4 24.5  9.3 25.7 11.7
20Z:                                              26.1 25.2       6.2 24.4 25.5 10.1 26.4 12.2
21Z:                                              26.4 21.7       6.0 23.4 21.4 10.4 28.2 15.1
22Z:                                              25.0 21.1      13.9      19.1 11.1 28.2 20.9
23Z:                                              16.3 19.1      21.4      18.2 11.5 28.0 21.1
===============================================
Estimated Average Global MUF(3000)F2: 17.95 MHz.


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

      BOU  TAO  ANC  CNV  PAL  SHE  OSA
     ---- ---- ---- ---- ---- ---- ----
00Z:  200  320  280  140
01Z:  150  440  280  110
02Z:  110  750  260   94
03Z:       800  230   91
04Z:   85  730  210   97
05Z:   85  700  190   98
06Z:   87  630  180  100
07Z:   85  570  180  100
08Z:   84  520  170  110
09Z:   82  470  170  110
10Z:   82  420  170  100
11Z:       340  170  100
12Z:   82  260  170  140
13Z:   88  270  170  190
14Z:  130  220  160  230
15Z:  160  180  160  270
16Z:  180  160  170  290
17Z:       130  200  290
18Z:  200  120  230  290
19Z:  220  110  270  310
20Z:  250  100  300  320
21Z:  250  110  300  290
22Z:  240  160  320  260
23Z:  220  200  310  220


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

MUR = Murmansk                   USSR                (N68E033)
SVE = Sverdlovsk                 USSR                (N56E061)
SAL = Salekhard                  USSR                (N66E066)
TOM = Tomsk                      USSR                (N56E085)
DIX = Dixon                      USSR                (N74E081)
MAG = Magadan                    USSR                (N60E151)
JUL = Juliusruh/Rugen            Germany             (N54E013)
UPS = Uppsala                    Sweden              (N60E018)
WAR = Warsaw                     Poland              (N52W021)
POI = Poitiers                   France              (N46E000)
BOU = Boulder CO                 USA                 (N40W105)
WLP = Wallops Island VA          USA                 (N37W075)
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)
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.


