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From: oler@rho.uleth.ca (Cary Oler)
Message-Id: <9308020730.AA16763@rho.uleth.ca>
Subject: Daily Summary of Ionospheric Data for 30 July
To: solar-daily@lut.fi
Date: Mon, 2 Aug 93 1:30:29 MDT
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Reply-To: SOLAR-DAILY Distribution List <solar-daily@lut.fi>
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Status: OR

                    ---------------------------------------
                    DAILY IONOSPHERIC SUMMARY FOR 30 JUL 93
                    ---------------------------------------


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

     BOU  SAL  DIX  KHA  MAG  ASH  TOM  JUL  UPS  VBG  GOO  EIE  TAO  KEA  RAM  ARG  BER  NIC
     ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---
00Z: 3.1  3.2       3.0  3.2            2.7  2.7       2.8       3.2   C   3.3   B        2.8
01Z:      3.1       2.9  3.4  2.9  2.9  2.7  2.8       2.6       2.8   C   3.4   B        2.8
02Z:                     3.0            2.9            2.2       2.8   C   3.0   B        2.9
03Z:                2.6  3.0  2.9  2.7  2.9  2.9  2.9  2.6       3.0  2.7  3.0   B        3.2
04Z:      2.5       2.7  3.0  2.8  2.8  3.1  2.8  2.9  2.5       3.1  2.9  2.7   B        2.8
05Z:      2.5       2.8  2.8       3.0       2.6  2.8  2.8       2.7  3.0  2.8   B
06Z:                3.1       2.8       2.7       2.9  2.5        A   3.0  2.6   B
07Z:      2.7            3.0       3.1  2.8       3.0  2.4       3.0  2.9  2.7   B
08Z:      2.8            3.2       3.1  3.0       3.1  3.0       1.9  2.5  2.9   B
09Z:      2.7       3.2  3.2  2.9                 2.9  3.3       3.0  2.7  2.9  3.5
10Z:      2.8                      3.0            3.1  3.4       3.0  3.0  3.0  3.5
11Z:      3.0            3.0  2.6  3.0            3.2  3.0        I   3.2  3.1  3.3
12Z:      3.1                 2.2  3.0            3.2  3.4            3.4  2.8  3.6
13Z:      2.9  2.9  2.8  3.0  2.8  3.1            2.6  3.0            3.2   A   2.7
14Z:      2.9  3.4  2.7       2.8  3.1            2.7  3.3            3.2  3.0   A
15Z:      3.1            3.0  2.8  3.0            3.6  3.0            3.5  3.3  2.6
16Z:                     2.8  2.9  3.0            4.0  3.2            3.2  2.9   B   3.2  3.0
17Z:      3.1                                      A   3.0            3.3  2.9   B   3.1   C
18Z:      3.1                                     2.9  3.0                 2.8  3.0  3.3  2.9
19Z:                                              2.9  3.1  2.9            2.9  3.0  2.9  2.8
20Z:                                              2.8  3.0  2.8            2.8  3.3  3.0  2.8
21Z:                                              2.6  3.1  2.7            3.1   A   3.0  2.8
22Z:                                              3.9  3.1  3.2            3.1  3.0  3.5  3.0
23Z:                                               A   3.1  3.0            3.0  3.4  3.7   C
=========================================
Estimated Average Global M(3000)F2:  2.96.


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

     MUR  SAL  DIX  KHA  MAG  ASH  TOM
     ---  ---  ---  ---  ---  ---  ---
00Z: 1.5  1.0  1.0  1.2  1.0
01Z: 1.0  1.0  1.0  1.3  1.0  1.5  1.0
02Z: 1.2  1.0  1.0  1.2  1.0
03Z: 1.0  1.0  3.4  1.5  1.0  2.0  1.0
04Z: 1.0  1.0       1.4  1.0  2.0  1.4
05Z: 1.0  1.0  3.1  1.4  1.0  2.0  2.0
06Z:                1.3       3.0
07Z: 1.0  1.0  1.3       1.0       1.6
08Z: 1.0  1.0  1.8       1.0       1.4
09Z:      1.0  1.3  1.1  1.0  2.0
10Z:      1.0  1.0            2.0  1.1
11Z:      1.0       1.2  1.0  2.0  1.2
12Z: 1.0  1.0  1.0       1.0  2.0  1.2
13Z:      1.0  1.0  1.2  1.0  2.0  1.0
14Z:      1.0  1.0  1.2  1.0  2.0  1.2
15Z:      1.0  1.0       1.1  2.0  1.0
16Z:           1.0       1.0  2.0  1.0
17Z:      1.0  1.0
18Z:      1.0  1.0
19Z:
20Z:
21Z:
22Z:
23Z:


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

     MUR  SAL  DIX  KHA  MAG  ASH  TOM
     ---  ---  ---  ---  ---  ---  ---
00Z: 4.7       4.4  4.1  4.0
01Z: 4.9       4.2  4.3  3.7  2.8  4.2
02Z: 4.8       3.6  5.8  4.0
03Z: 4.5            4.2  3.6  4.0  3.1
04Z: 4.0            6.1  3.2  4.8  3.5
05Z:      3.4       4.3  3.1  5.7  3.8
06Z:                5.2       3.9
07Z:      3.5            5.1       3.8
08Z:      3.3            5.0       3.7
09Z:      5.0       4.3  4.4  4.2
10Z: 4.0  4.2                 5.2
11Z:      3.1       7.4  3.2  3.8  3.0
12Z: 4.2  3.3  3.8       3.8  3.5  4.0
13Z:      8.0  2.9  4.2  2.2  3.3  2.6
14Z:      5.2  3.0  3.3  3.4       2.2
15Z:      6.0  5.0       1.3  3.2  2.8
16Z:           2.5       4.0  2.7
17Z:      2.5  6.5
18Z:      4.0  5.5
19Z:
20Z:
21Z:
22Z:
23Z:


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

      BOU  MUR  SAL  DIX  KHA  MAG  ASH  TOM  JUL  UPS  WAR  POI  OTI  CAM  VBG  GOO  EIE  TAO  KEA  RAM  ARG  BER  NIC  DYS
     ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----
00Z:  5.2       4.4       6.8  5.7            4.3  3.2   A   6.1       7.5       4.0       6.0   C   6.9   B        5.7  6.6
01Z:            4.4       6.9  5.7  3.8  4.5  4.3  3.2   C   6.1       8.0       3.5       7.0   C   5.4   B        5.5  6.6
02Z:            4.2  4.0       5.4            3.8        B   5.6       7.3       3.5       7.8   C   5.2   B        5.2  5.7
03Z:            4.4  4.5  6.0  5.5  4.8  5.1  3.8  3.7  4.1  5.1       6.4  6.8  3.0       9.2  9.0  5.5   B        4.5  5.2
04Z:       4.5  4.6       6.4  5.6  5.6  5.2  4.6  4.4  4.7  4.9       6.9  5.9  3.2       8.8  8.9  5.2   B        4.9  5.1
05Z:       4.8  4.3  5.0  7.0  5.8       5.7   A   4.5  4.9  5.0       6.8  6.7  2.7       8.6  8.0  4.8   B             4.7
06Z:                      7.8       6.2       5.1        A   5.8       6.2  5.7  2.6        A   7.2  4.4   B             4.8
07Z:       5.0  5.3  5.0       5.8       6.2  5.6        A   6.4       6.0  5.6  3.2      11.0  7.7  4.1   B             4.6
08Z:       5.2  5.1  5.0       6.2       6.2  5.8                      4.9  5.9  3.3      14.3  6.8  4.0   B             4.6
09Z:       5.5  5.2  5.0  6.8  6.5  6.5                                3.8  5.5  4.4      10.1  6.5  3.2  4.0            3.6
10Z:       5.2  5.2  5.0                 6.0                           3.5  4.6  4.8      10.6  6.8  3.9  4.9            3.3
11Z:            5.3            6.6  5.6  5.9                           3.7  5.1  5.6        I   7.9  4.5  5.3            3.1
12Z:            5.0  4.9            6.4  5.9                      4.4  3.7  4.0  5.5            6.2  4.8  5.7            3.8
13Z:            5.0  4.9  7.8  6.6  6.3  5.9                           3.9  6.4  5.9            5.1   A   5.5            4.1
14Z:            4.9  5.0  7.4       6.1  5.7                      5.1       5.2  6.1            5.4  5.2   A             4.6
15Z:            4.9            4.9  6.5  6.0                      5.1       5.0  5.9            4.3  5.4  5.4            5.1
16Z:                           4.1  7.4  6.1                      5.1       5.0  6.2            4.1  5.4   B   6.1  6.1   A
17Z:            4.8                                               5.3        A   5.9            5.5  5.7   B   6.4   C   4.8
18Z:            4.5                                               5.2       5.8  5.8                 5.5  5.5  6.7  5.9  5.4
19Z:                                                                        5.6  6.0  5.3            5.9  6.0  6.1  5.7  5.5
20Z:                                                                        5.4  6.1  5.2            5.9  5.5  6.4  5.8  5.9
21Z:                                                                   4.7  5.5  6.5  5.6            5.5   A   7.0  5.7  5.7
22Z:                                                                   5.7  5.1  6.6  4.9            5.9  6.8  7.8  5.5  5.7
23Z:                                                                   6.2   A   6.7  5.2            6.3  6.6  5.9   C    A
=========================================
Estimated Average Global foF2:  5.54 MHz.


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

      BOU  SAL  DIX  KHA  MAG  ASH  TOM  JUL  UPS  VBG  GOO  EIE  TAO  KEA  RAM  ARG  BER  NIC
     ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----
00Z: 16.1 14.1      20.4 18.2           11.6  8.6      11.2      19.2   C  22.8   B       16.0
01Z:      13.6      20.0 19.4 11.0 13.1 11.6  8.8       9.1      19.6   C  18.4   B       15.4
02Z:                     16.2           11.0            7.7      21.8   C  15.6   B       15.1
03Z:                15.6 16.5 13.9 13.8 11.0 10.7 19.7  7.8      27.6 24.3 16.5   B       14.4
04Z:      11.5      17.3 16.8 15.7 14.6 14.3 12.5 17.1  8.0      27.3 25.8 14.0   B       13.7
05Z:      10.8      19.6 16.2      17.1   A  11.7 18.8  7.6      23.2 24.0 13.4   B
06Z:                24.2      17.4      13.8      16.5  6.5        A  21.6 11.4   B
07Z:      14.3           17.4      19.2 15.7      16.8  7.7      33.0 22.3 11.1   B
08Z:      14.3           19.8      19.2 17.4      18.3  9.9      27.2 17.0 11.6   B
09Z:      14.0      21.8 20.8 18.9                16.0 14.5      30.3 17.6  9.3 14.0
10Z:      14.6                     18.0           14.3 16.3      31.8 20.4 11.7 17.1
11Z:      15.9           19.8 14.6 17.7           16.3 16.8        I  25.3 13.9 17.5
12Z:      15.5                14.1 17.7           12.8 18.7           21.1 13.4 20.5
13Z:      14.5 14.2 21.8 19.8 17.6 18.3           16.6 17.7           16.3   A  14.9
14Z:      14.2 17.0 20.0      17.1 17.7           14.0 20.1           17.3 15.6   A
15Z:      15.2           14.7 18.2 18.0           18.0 17.7           15.1 17.8 14.0
16Z:                     11.5 21.5 18.3           20.0 19.8           13.1 15.7   B  19.5 18.3
17Z:      14.9                                      A  17.7           18.1 16.5   B  19.8   C
18Z:      13.9                                    16.8 17.4                15.4 16.5 22.1 17.1
19Z:                                              16.2 18.6 15.4           17.1 18.0 17.7 16.0
20Z:                                              15.1 18.3 14.6           16.5 18.1 19.2 16.2
21Z:                                              14.3 20.1 15.1           17.0   A  21.0 16.0
22Z:                                              19.9 20.5 15.7           18.3 20.4 27.3 16.5
23Z:                                                A  20.8 15.6           18.9 22.4 21.8   C
===============================================
Estimated Average Global MUF(3000)F2: 16.43 MHz.


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

      BOU  TAO  PAL  SHE  OSA  CNV  ANC
     ---- ---- ---- ---- ---- ---- ----
00Z:  110  250  330                 260
01Z:  110  300  320            180  250
02Z:   95  350  320            130  230
03Z:   91  410  300            100  240
04Z:   78  440  280             90  250
05Z:   63  490  260             86  250
06Z:   54  560  230             94  260
07Z:   54 .00  220             81  250
08Z:   64  620  190             74  240
09Z:   48  580  160             46  220
10Z:   59  560  150             40  200
11Z:   59  500  160             42  190
12Z:   59  440  120             72  190
13Z:   60  340   84             96  200
14Z:   60  220   71            110  200
15Z:   81        55            130  210
16Z:   99  190  140            140  240
17Z:  110  200   89            140  110
18Z:  110  210  120            160  130
19Z:  110  170  140            170
20Z:  130       160            160  120
21Z:       170  190            160  110
22Z:  120  270  230            160  110
23Z:  120  220  260            160  110


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

BOU = Boulder CO                 USA                 (N40W105)
MUR = Murmansk                   USSR                (N68E033)
SAL = Salekhard                  USSR                (N66E066)
DIX = Dixon                      USSR                (N74E081)
KHA = Khabarovsk                 USSR                (N48E135)
MAG = Magadan                    USSR                (N60E151)
ASH = Ashkhabad                  USSR                (N37E058)
TOM = Tomsk                      USSR                (N56E085)
JUL = Juliusruh/Rugen            Germany             (N54E013)
UPS = Uppsala                    Sweden              (N60E018)
WAR = Warsaw                     Poland              (N52W021)
POI = Poitiers                   France              (N46E000)
OTI = Ottawa                     Canada              (N45W076)
CAM = Camden                     Australia           (S34E151)
VBG = Vandenberg AFB CA          USA                 (N34W120)
GOO = Goose Bay                  Canada              (N53W060)
EIE = Eielson AFB AK             USA                 (N64W147)
TAO = Taoyuan                    Taiwan              (N25E121)
KEA = Keakawapu HI               USA                 (N20W156)
RAM = Ramey AFB                  Puerto Rico         (N18W067)
ARG = Argentia                   Canada              (N48W053)
BER = Bermuda                    Bermuda             (N32W064)
NIC = Nicosia                    Cyprus              (N35E033)
DYS = Dyess AFB TX               USA                 (N32W099)
PAL = Palehua HI                 USA                 (N21W158)
SHE = Shemya AK                  USA                 (N52E174)
OSA = Osan AB                    Korea               (N37E127)
CNV = Cape Canaveral FL          USA                 (N28W080)
ANC = Anchorage AK               USA                 (N61W150)


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.


