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From: oler@rho.uleth.ca (Cary Oler)
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Subject: Daily Summary of Ionospheric Data for 15 July
To: solar-daily@lut.fi
Date: Fri, 16 Jul 93 0:40:59 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 15 JUL 93
                    ---------------------------------------


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

     MUR  SAL  TOM  KHA  MAG  BOU  ASH  DIX  UPS  JUL  MAU  VBG  GOO  TAO  RES  CHU  KEA  RAM  NIC  DYS
     ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---
00Z: 3.1  2.8  3.0            3.2                 3.0  2.8  3.2  3.0  3.0   F        2.8  3.1  3.2  3.0
01Z:      2.7  2.6       3.0                 2.8  2.9  3.0  3.1  3.2  3.3   F        3.0  3.1  3.1  3.2
02Z:           3.0       3.0       3.1       2.9  2.8  3.1  3.2  3.1  2.9  2.9       3.1  3.0  3.0  3.2
03Z:      2.8  3.0       3.0       3.1       2.8  2.8  3.2  3.5  3.1  2.9  3.2       3.2  3.0  3.0  3.5
04Z:      3.1  3.0       3.0                 2.7  2.8  3.1  3.3  3.0  3.0   F        3.1  3.0  3.0  3.3
05Z:                     3.0                 2.8  2.8  3.2  3.1  2.8  2.9   F        3.2  2.9  3.4  3.0
06Z:      2.7  3.0       3.0       2.8            2.9  3.1  3.2  2.6  3.1            3.1  2.9       3.0
07Z: 3.1  3.0  2.6       3.0       2.6            3.0  3.3  3.1  3.2  3.3            3.4  3.1       2.9
08Z:      2.8  3.0  3.5  3.0                      2.9  3.5  3.0  3.3  3.1            3.5  2.7  3.1  2.9
09Z:      3.0  3.0  2.7  3.0                           3.0  2.9  2.4  3.1            3.1  2.9  2.9  2.9
10Z:      3.0  3.1       3.2                           2.7  2.7  3.4  3.1            2.9  3.4       3.1
11Z:      3.1       3.0  3.2       2.9  2.8            2.7  2.8  4.1  3.2            2.7  3.4  3.0
12Z:      3.2  3.0       3.1       2.8  2.9            3.2  3.8  3.5  3.2            3.3  3.2  2.9  3.4
13Z:      3.1  3.2  2.7  3.2       2.8  2.8            3.6  3.8  3.7  2.9       2.6  3.6  3.4  3.0  3.3
14Z: 3.1       3.3                 2.9  3.1            3.0  2.9  3.9  2.8        F   3.0  3.6  3.0  3.3
15Z: 3.1  3.2  3.0                 3.0  3.1            3.0  3.0  3.6  2.9       2.9  3.0  3.7  3.0  3.1
16Z: 3.1  3.1            3.2            3.0            3.0  3.2  2.8        F        3.1   A   3.3  3.0
17Z: 1.0  3.1            3.0            3.1            3.2  3.3  3.3  3.0        F   3.2  2.5  3.1  3.1
18Z: 1.0  3.1            3.0       2.9  3.3                 3.3  2.8  3.2        R        3.1  3.1  3.1
19Z:                                                        3.3  2.6  3.3       2.7       2.9  3.1  3.1
20Z:                                                        2.8  3.0  3.1       2.5       2.8  3.0
21Z:                                                        3.1  2.7  3.1       2.7       2.5  2.9  3.1
22Z:                                                        2.8  2.5  3.3   F             2.8  3.1  2.8
23Z:                                                        3.0  3.1  3.4   F             2.9  2.8  2.9
=========================================
Estimated Average Global M(3000)F2:  3.03.


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

     MUR  SAL  TOM  KHA  MAG  ASH  DIX
     ---  ---  ---  ---  ---  ---  ---
00Z: 1.0  1.0  1.0  1.5  1.0
01Z: 1.0  1.0  1.0  2.0  1.0       1.0
02Z: 1.0       1.0  1.3  1.0  1.6  1.0
03Z: 1.0  1.0  1.0  1.4  1.0  2.0  2.0
04Z: 1.0  1.0  1.0  1.3  1.0       1.2
05Z: 1.0            1.3  1.0
06Z: 1.4  1.0  1.0  1.4  1.0  2.0  3.1
07Z: 2.0  1.6  1.0  1.2  1.0  3.9  1.2
08Z: 1.8  1.0  1.0  1.2  1.0       1.3
09Z: 1.6  1.0  1.0  1.4  1.0  2.6  1.7
10Z: 1.5  1.0  1.0  1.2  1.0  3.5  1.4
11Z: 1.3  1.0       1.2  1.1  2.1  1.2
12Z: 1.8  1.0  1.0  1.2  1.0  2.0  1.3
13Z: 1.8  1.0  1.0  1.4  1.0  1.9  1.0
14Z: 1.0       1.0       1.0  2.0  1.0
15Z: 1.0  1.0  1.5       1.0  1.8  1.0
16Z:      1.0            1.0  1.8  1.2
17Z: 3.1  1.0            1.0  1.9  1.2
18Z:      1.0            1.0  1.8  1.0
19Z:
20Z:
21Z:
22Z:
23Z:


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

     MUR  SAL  TOM  KHA  MAG  ASH  DIX
     ---  ---  ---  ---  ---  ---  ---
00Z:           3.2  8.7  3.8
01Z:           2.7   10  4.4       3.0
02Z:           3.7  6.1  3.7  3.6  3.0
03Z:      3.0  3.4  8.7  3.4  4.5  3.0
04Z:      3.6  3.5  8.1  3.8
05Z:                8.0
06Z: 3.4  3.2  3.4   10       5.0
07Z:           3.4  8.9       5.0
08Z:      3.3  3.4  6.2  2.9
09Z:      3.3  3.3  4.2  3.1  5.8
10Z:      3.1  3.4   11  2.4  5.8
11Z: 4.0            8.2  1.5  5.4
12Z:           5.3   10  1.2  6.1
13Z:           5.6  8.4  1.1  3.5
14Z: 3.1       7.0       1.3  4.4  3.0
15Z:                          3.2  2.8
16Z:      2.3                 2.6  3.5
17Z:  95                           3.0
18Z:                     2.0       2.5
19Z:
20Z:
21Z:
22Z:
23Z:


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

      MUR  SAL  TOM  KHA  MAG  BOU  ASH  DIX  UPS  JUL  POI  OTI  MAU  CAM  VBG  GOO  TAO  RES  CHU  KEA  RAM  NIC  DYS
     ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----
00Z:  3.2  4.4  5.0       4.7  5.1                 5.0  6.0      10.8  6.8  5.8  6.5  6.3   F       10.8  5.7  5.8  5.8
01Z:  4.2  4.5  5.0       5.1            4.6  4.2  4.6  5.6      11.6  6.8  6.0  6.1  7.2   F       11.6  5.9  5.4  6.2
02Z:  4.2       5.4       5.2       5.3  4.6  4.0  4.0  5.2      11.7  6.2  6.0  5.5  6.7  5.1      11.7  6.0  5.1  6.9
03Z:  4.3  4.9  5.7       5.0       6.0       4.3  3.6  4.7      11.4  7.2  6.9  4.8  8.5  5.1      11.4  5.8  4.8  6.5
04Z:  5.0  5.1  5.9       5.0            4.9  4.4  4.4  4.6      11.0  6.6  6.9  4.1  9.6   F       11.0  5.7  6.3  6.0
05Z:  5.0                 5.2                 4.8  4.8  4.2      10.6  6.7  6.9  3.8 11.6  4.8      10.6  5.4  5.8  5.0
06Z:  5.0  5.0  5.6       5.0       6.8            5.2  4.6       9.6  6.2  6.4  2.9 12.8            9.6  4.6       4.7
07Z:  5.5  5.3  5.5       5.0       6.5  5.0       5.6  5.8       9.9  5.7  4.7  4.0 13.2            9.9  4.3       4.4
08Z:  5.3  5.1  5.9  5.6  5.0            5.2       5.9            8.5  4.2  4.1  3.0  8.4            8.5  3.7  6.4  4.2
09Z:  5.4  5.4  5.6  4.7  5.2            5.0                      5.7  3.8  4.7  5.0  7.7            5.7  3.6  6.4  4.1
10Z:  5.4  5.4  5.8       5.3            5.0                      4.9  3.8  4.3  4.1  7.0            4.9  4.6       4.1
11Z:  5.1  5.1       7.0  6.0       7.5  5.0                      4.9  3.7  6.1  4.0  7.1            4.9  4.9  7.7
12Z:  5.0  5.2  5.4       6.3       6.4  5.0                 4.5  5.0  3.7  4.7  4.5  7.1            5.0  5.4  7.2  4.8
13Z:  5.0  5.1  5.7  5.8  6.0       6.4  5.0                 4.7  4.5  3.6  6.8  4.5  5.8       4.5  4.5  5.3  7.6  5.5
14Z:  5.2       5.3                 6.9  5.0                 4.9  3.4  3.2  5.4  4.4  5.5        F   3.4  9.1  7.8  6.6
15Z:  5.0  5.0  5.7                 6.6  5.0                 5.0  3.5  3.4  5.9  4.9  5.7       4.9  3.5  5.4  8.0  6.6
16Z:  4.8  4.8            4.0            5.0                 5.2  3.5  3.5  6.4  5.0        F        3.5   A   8.0  7.8
17Z:       4.8            4.1            4.5                 4.9  6.1  3.8  6.5  5.0  5.2       4.9  6.1  5.1  7.3  7.5
18Z:       4.8            4.4       6.7  4.3                 4.8       4.6  6.7  5.4  5.8       5.0       5.1  7.1  6.9
19Z:                                                                   4.2  6.7  5.2  5.2       5.0       5.4  7.0  6.8
20Z:                                                                   3.0  6.5  5.2  4.3       5.0       5.4  6.7
21Z:                                                                   4.1  6.3  5.3  4.3       5.3       5.2  6.2  6.6
22Z:                                                                   5.3  5.9  6.0  5.3  5.7            5.4  6.1  5.6
23Z:                                                                   6.7  6.7  6.5  6.0   F             6.1  5.8  6.5
=========================================
Estimated Average Global foF2:  5.72 MHz.


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

      MUR  SAL  TOM  KHA  MAG  BOU  ASH  DIX  UPS  JUL  MAU  VBG  GOO  TAO  RES  CHU  KEA  RAM  NIC  DYS
     ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----
00Z:  9.9 12.3 15.0           16.6                15.0 30.2 18.6 19.5 18.9   F       30.2 17.7 18.6 17.4
01Z:      12.2 13.0      15.3                11.8 13.3 34.8 18.6 19.5 23.8   F       34.8 18.3 16.7 19.8
02Z:           16.2      15.6      16.4      11.6 11.2 36.3 19.2 17.0 19.4 14.8      36.3 18.0 15.3 22.1
03Z:      13.7 17.1      15.0      18.6      12.3 10.1 35.9 24.1 14.9 24.7 16.3      36.5 17.4 14.4 22.8
04Z:      15.8 17.7      15.0                11.9 12.3 34.1 22.8 12.3 28.8   F       34.1 17.1 18.9 19.8
05Z:                     15.6                13.2 13.4 33.9 21.4 10.6 33.6   F       33.9 15.7 19.7 15.0
06Z:      13.5 16.8      15.0      19.0           15.1 29.8 20.5  7.5 39.7           29.8 13.3      14.1
07Z: 17.0 15.9 14.3      15.0      16.9           16.8 33.2 14.6 12.8 43.6           33.7 13.3      12.8
08Z:      14.3 17.7 19.6 15.0                     17.1 29.8 12.3  9.9 26.0           29.8 10.0 19.8 12.2
09Z:      16.2 16.8 12.7 15.6                          17.4 13.6 12.0 23.9           17.7 10.4 18.6 11.9
10Z:      16.2 18.0      17.0                          13.2 11.6 13.9 21.7           14.2 15.6      12.7
11Z:      15.8      21.0 19.2      21.8 14.0           13.2 17.1 16.4 22.7           13.2 16.7 23.1
12Z:      16.6 16.2      19.5      17.9 14.5           16.2 17.9 15.8 22.7           16.5 17.3 20.9 16.3
13Z:      15.8 18.2 15.7 19.2      17.9 14.0           16.2 25.8 16.6 16.8      11.7 16.2 18.0 22.8 18.1
14Z: 16.1      17.5                20.0 15.5           10.0 15.7 17.2 15.4        F  10.2 32.8 23.4 21.8
15Z: 15.5 16.0 17.1                19.8 15.5           10.3 17.7 17.6 16.5      14.2 10.5 20.0 24.0 20.5
16Z: 14.9 14.9           12.8           15.0           10.7 20.5 14.0        F       10.8   A  26.4 23.4
17Z:      14.9           12.3           13.9           19.5 21.4 16.5 15.6        F  19.5 12.8 22.6 23.2
18Z:      14.9           13.2      19.4 14.2                22.1 15.1 18.6        R       15.8 22.0 21.4
19Z:                                                        22.1 13.5 17.2      13.5      15.7 21.7 21.1
20Z:                                                        18.2 15.6 13.3      12.5      15.1 20.1
21Z:                                                        19.5 14.3 13.3      14.3      13.0 18.0 20.5
22Z:                                                        16.5 15.0 17.5   F            15.1 18.9 15.7
23Z:                                                        20.1 20.1 20.4   F            17.7 16.2 18.9
===============================================
Estimated Average Global MUF(3000)F2: 17.35 MHz.


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

      BOU  TAO  PAL  SHE  OSA  CNV  ANC
     ---- ---- ---- ---- ---- ---- ----
00Z:  210  220  370                 110
01Z:  210  230  390            160  110
02Z:       230  370            140  110
03Z:  240       350            110  110
04Z:  210       330             88  110
05Z:  190       300             71  110
06Z:  170       260             73  120
07Z:  170       230             74  120
08Z:  160  360  180             71  120
09Z:  170  240  120             54  120
10Z:  160   98   86             52  110
11Z:  160   93   79             60   88
12Z:  160  150   76             86   83
13Z:  180  110   64            130   73
14Z:  220   98   48            130   71
15Z:  250   83   47            150   87
16Z:  270   82   57            190  120
17Z:        91  120            230  140
18Z:  130  100  170            220  160
19Z:  130   97  210            200  190
20Z:        99                 200  190
21Z:  110  110                 190  180
22Z:   89  150                 170  170
23Z:  100  190                 170  170


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

MUR = Murmansk                   USSR                (N68E033)
SAL = Salekhard                  USSR                (N66E066)
TOM = Tomsk                      USSR                (N56E085)
KHA = Khabarovsk                 USSR                (N48E135)
MAG = Magadan                    USSR                (N60E151)
BOU = Boulder CO                 USA                 (N40W105)
ASH = Ashkhabad                  USSR                (N37E058)
DIX = Dixon                      USSR                (N74E081)
UPS = Uppsala                    Sweden              (N60E018)
JUL = Juliusruh/Rugen            Germany             (N54E013)
POI = Poitiers                   France              (N46E000)
OTI = Ottawa                     Canada              (N45W076)
MAU = Maui HI                    USA                 (N20W157)
CAM = Camden                     Australia           (S34E151)
VBG = Vandenberg AFB CA          USA                 (N34W120)
GOO = Goose Bay                  Canada              (N53W060)
TAO = Taoyuan                    Taiwan              (N25E121)
RES = Resolute Bay               Canada              (N74W094)
CHU = Churchill                  Canada              (N58W094)
KEA = Keakawapu HI               USA                 (N20W156)
RAM = Ramey AFB                  Puerto Rico         (N18W067)
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.


