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From: oler@rho.uleth.ca (Cary Oler)
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Subject: Daily Summary of Ionospheric Data for 01 June
To: solar-daily@lut.fi
Date: Tue, 1 Jun 93 21:26:51 MDT
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                    ---------------------------------------
                    DAILY IONOSPHERIC SUMMARY FOR 01 JUN 93
                    ---------------------------------------


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

     TOM  DIX  KHA  MAG  MUR  ASH  SAL  JUL  UPS  MAU  VBG  GOO  MAN  EIE  TAO  RES  CHU  KEA  RAM  ARG  BER
     ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---
00Z: 2.8       3.1  3.0  3.0  2.7  2.9  2.9       2.8  3.1  2.9  3.1  2.8  3.0   F        2.9  3.0  3.6   B
01Z: 3.1       2.9  3.2  3.1  2.7  2.7  2.9  2.7  2.8  3.4  2.8  2.3  2.9  2.8   F        2.8  3.0   B   3.6
02Z:      2.8  2.8  3.0       2.9       2.8  2.8  2.8  3.0  2.8  2.3  2.9  2.7   F        2.8  2.9  3.2   B
03Z:      2.6  2.9  3.0  3.0  2.8  2.7  2.7  2.7  3.0  3.1  2.9  2.3  3.0  2.8   F        3.0  2.7  3.0   B
04Z: 2.9  2.6  2.9  2.9  3.2  2.5  2.9  2.9  2.8  3.0  2.9  2.9  2.4  2.9  2.8  2.9       3.1  2.8  2.9   A
05Z:                                    2.7  2.8  3.2  2.9  2.8  2.4  3.0  2.8  3.0       3.3  2.8  3.1  3.3
06Z:           2.8  3.0  2.6       2.8  2.8       2.9  2.8  2.8  2.4  3.0  2.8            2.9  2.9   B    B
07Z:      2.7  2.9  2.9  2.6  2.5  2.9  2.7       2.8  2.8  2.8  2.4  2.9  3.0            2.8  3.0   B   2.9
08Z: 2.9       3.0  2.9  2.8  2.7  2.9  2.8       2.8  2.6  2.8  2.4  3.0  3.1            2.8  2.7   B   2.9
09Z: 3.0  2.8  3.0  3.0  2.6  2.6  3.1            2.8  2.8  2.9  2.5  3.0  2.9            2.9  2.8  2.9  3.2
10Z: 3.0  2.8  3.0       2.7  2.7  3.0            3.0  2.6  2.9   C   3.0  3.0            3.0  3.0   B   3.4
11Z: 3.0  2.9  2.8       2.8       3.1            3.0  2.6  3.1   C   2.6  3.0            3.0  3.0   A   3.4
12Z: 3.2  2.9  2.9       2.8       3.1            2.8  2.5  2.8   C   2.9  3.4            2.9  3.1   B   3.2
13Z:                                              3.0  2.8  2.8   C   2.8  3.1       2.8  3.0  2.8   B   2.8
14Z:                                              3.2  2.9  3.4   C   2.2  3.0        F   3.3  2.9  3.1   A
15Z:                                              2.8  2.7  2.7  2.6  2.5  3.3       2.7  2.8  3.1  2.7  2.8
16Z:                                              2.6  3.0  2.8  2.6  2.7  3.1       2.5  2.6  2.9   B   2.8
17Z:                                              2.7  2.9  2.9  3.4  2.8  3.6       2.8  2.7  2.8   A   2.9
18Z:                                                   3.1  2.6  3.0  2.7  3.4       2.6       2.9  2.9  3.5
19Z:                                                   3.2  2.8  3.2  2.5  3.1   F             2.9  2.9  2.9
20Z:                                                   3.1  2.8  3.3  3.0  3.3       2.8       2.8  3.0  3.0
21Z:                                                        2.9  3.1  2.8  3.6       2.7       2.8  3.1  2.9
22Z:                                                   3.0  3.0  3.3  2.8  3.0  3.0            2.9  3.6  3.3
23Z:                                                   3.1  2.9  3.2  3.0  2.8                 3.0  3.6   A


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

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


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

     TOM  DIX  KHA  MAG  MUR  ASH  SAL
     ---  ---  ---  ---  ---  ---  ---
00Z: 3.4  3.0  5.3  5.4  5.0       3.0
01Z: 5.6  3.0  5.8  3.6
02Z: 6.6  3.0  4.0  3.5       3.6
03Z:  10  3.2  3.9  3.6       5.0
04Z: 3.8  3.5  4.7            3.8  3.2
05Z:
06Z:  12  5.0  4.9  3.5  4.0       4.9
07Z:  12  4.0  6.2  3.3       4.7  3.9
08Z: 5.6       9.0  3.1  4.3  4.2  3.5
09Z: 8.0  3.4  4.8  2.7       4.2  3.7
10Z: 6.7       6.0       5.0  4.3  3.5
11Z: 4.0       3.2                 4.5
12Z: 4.0       5.2                 2.7
13Z:
14Z:
15Z:
16Z:
17Z:
18Z:
19Z:
20Z:
21Z:
22Z:
23Z:


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

      TOM  DIX  KHA  MAG  MUR  ASH  SAL  JUL  UPS  POI  OTI  MAU  CAM  VBG  GOO  MAN  EIE  TAO  RES  CHU  KEA  RAM  ARG  BER  NIC
     ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----
00Z:  6.0  5.2  7.1  5.9  5.0  7.0  5.8  6.3       7.4      12.1  7.6  8.8  7.2  9.0  5.8  6.7   F       12.1  8.7  5.7   B   8.9
01Z:  6.6  5.2  7.1  5.8  5.3  6.4  5.6  6.0  5.6  6.7      11.7  7.9  7.9  7.2  9.8  5.7  7.9   F       11.7  7.6   B   3.3  7.1
02Z:       5.4  6.6  5.9       6.8       5.4  5.2  6.4      12.0  8.3  7.5  6.9  9.5  5.6  8.7   F       12.0  6.6  5.7   B   6.2
03Z:       6.0  6.9  5.6  5.0  7.8  6.0  5.2  5.0  6.0      12.5  8.3  7.9  5.9  9.2  5.7 10.1   F       12.5  6.6  5.7   B   6.2
04Z:  6.7  6.0  6.3  5.9  5.1  7.6  6.5  5.6  5.5  5.5      12.4  7.6  7.3  5.4  9.4  5.6 11.0  5.8      12.4  6.5  5.8   A   7.2
05Z:                                     6.0  5.8  6.3      12.7  8.7  6.2  5.0  9.8  5.8 11.0  6.0      12.7  6.5  5.3  5.6
06Z:       5.8  6.5  5.9  5.9       6.7  6.4       6.9       9.3  7.7  5.8  4.3 10.2  5.7 11.3            9.3  6.1   B    B
07Z:       6.0  6.6  5.9  6.3  9.5  6.7  6.6       7.4       9.0  6.6  5.9  4.1 10.5  5.7 12.6            9.0  5.7   B   5.8
08Z:  6.6  6.2  6.8  6.3  6.4  9.5  6.7  7.0                 9.2  4.7  6.1  4.2 10.0  5.8 12.4            9.2  5.1   B   5.4
09Z:  6.6  6.2  7.1  6.6  6.4  9.0  6.4                      9.1  4.7  5.6  4.8  9.5  5.8 13.4            9.1  5.0  5.0  5.8
10Z:  6.8  6.0  7.6       6.4  9.1  6.4                      8.9  4.4  5.3  5.1   C   4.5 13.8            8.9  5.4   B   6.6
11Z:  6.8  6.2  8.3       6.4       6.4                      8.0  4.2  5.0  5.0   C   4.9 13.5            8.0  6.3   A   7.9
12Z:  6.8  6.0  8.2       6.4       6.2                 5.7  7.8  3.8  5.4  5.3   C   4.9 10.6            7.8  6.7   B   7.2
13Z:                                                    5.9  7.7  3.8  6.2  5.6   C   4.4 10.8       4.9  7.7  6.6   B   7.5
14Z:                                                    5.6  6.8  4.1  7.7  5.5   C   4.5 10.9        F   6.8  6.7  6.3   A
15Z:                                                    5.6  5.4  4.1  7.9  5.6  9.0  5.3  8.9       5.4  5.4  6.5  6.0  8.4
16Z:                                                    6.2  5.2  4.5  8.6  6.0  7.5  5.9 12.7       5.3  5.2  7.1   B   8.2
17Z:                                                    6.3  6.6  4.7  8.9  6.0       6.2  9.3       5.5  6.6  7.6   A   8.9
18Z:                                                    6.2       4.9  8.8  5.8  6.9  5.6 11.0       5.5       7.0  6.4  6.5
19Z:                                                              5.3  7.4  6.2  6.6  5.6 10.4   F             6.8  6.6  8.4
20Z:                                                              4.1  7.6  6.2  6.1  6.0  9.3       6.0       7.2  6.6  8.6
21Z:                                                              5.1       6.4  4.8  6.1  8.8       6.0       7.3  6.6  9.3
22Z:                                                              7.1  8.6  6.7  5.8  5.7  8.1  6.0            7.4  6.4  8.3
23Z:                                                              6.9  8.7  6.6  6.5  5.5  8.4                 7.9  5.7   A


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

      TOM  DIX  KHA  MAG  MUR  ASH  SAL  JUL  UPS  MAU  VBG  GOO  MAN  EIE  TAO  RES  CHU  KEA  RAM  ARG  BER
     ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----
00Z: 16.8      22.0 17.7 15.0 18.9 16.8 18.3      34.5 27.3 20.9 27.9 16.2 20.1   F       35.1 26.1 20.5   B
01Z: 20.5      20.6 18.6 16.4 17.3 15.1 17.4 15.1 32.2 26.9 20.2 22.5 16.5 22.1   F       32.8 22.8   B  11.9
02Z:      15.1 18.5 17.7      19.7      15.1 14.6 33.6 22.5 19.3 21.9 16.2 23.5   F       33.6 19.1 18.2   B
03Z:      15.6 20.0 16.8 15.0 21.8 16.2 14.0 13.5 37.5 24.5 17.1 21.2 17.1 28.3   F       37.5 17.8 17.1   B
04Z: 19.4 15.6 18.3 17.1 16.3 19.0 18.9 16.2 15.7 37.8 21.2 15.7 22.6 16.2 30.8 16.8      38.4 18.2 16.8   A
05Z:                                    16.2 16.0 41.3 18.0 14.0 23.5 17.4 30.8 18.0      41.9 18.2 16.4 18.5
06Z:           18.2 17.7 15.3      18.8 17.9      27.0 16.2 12.0 24.5 17.1 31.6           27.0 17.7   B    B
07Z:      16.2 19.1 17.1 16.4 23.8 19.4 17.8      24.8 16.5 11.5 25.2 16.5 37.8           25.2 17.1   B  16.8
08Z: 19.1      20.4 18.3 17.9 25.6 19.4 19.6      25.3 15.9 11.8 24.0 17.4 38.4           25.8 13.8   B  15.7
09Z: 19.8 17.4 21.3 19.8 16.6 23.4 19.8           25.9 15.7 13.9 23.8 17.4 38.9           26.4 14.0 14.5 18.6
10Z: 20.4 16.8 22.8      17.3 24.6 19.2           26.3 13.8 14.8   C  13.5 41.4           26.7 16.2   B  22.4
11Z: 20.4 18.0 23.2      17.9      19.8           23.6 13.0 15.5   C  12.7 40.5           24.0 18.9   A  26.9
12Z: 21.8 17.4 23.8      17.9      19.2           22.2 13.5 14.8   C  14.2 36.0           22.6 20.8   B  23.0
13Z:                                              23.1 17.4 15.7   C  12.3 33.5      13.7 23.1 18.5   B  21.0
14Z:                                              22.1 22.3 18.7   C   9.9 32.7        F  22.4 19.4 19.5   A
15Z:                                              15.1 21.3 15.1 23.4 13.2 29.4      14.6 15.1 20.1 16.2 23.5
16Z:                                              13.5 25.8 16.8 19.5 15.9 39.4      13.2 13.5 20.6   B  23.0
17Z:                                              17.8 25.8 17.4      17.4 33.5      15.4 17.8 21.3   A  25.8
18Z:                                                   27.3 15.1 20.7 15.1 37.4      14.3      20.3 18.6 22.8
19Z:                                                   23.7 17.4 21.1 14.0 32.2   F            19.7 19.1 24.4
20Z:                                                   23.6 17.4 20.1 18.0 30.7      16.8      20.2 19.8 25.8
21Z:                                                        18.6 14.9 17.1 31.7      16.2      20.4 20.5 27.0
22Z:                                                   25.8 20.1 19.1 16.0 24.3 18.0           21.5 23.0 27.4
23Z:                                                   27.0 19.1 20.8 16.5 23.5                23.7 20.5   A


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

      TAO  PAL  SHE  OSA  CNV  BOU  ANC
     ---- ---- ---- ---- ---- ---- ----
00Z:  300  540  180
01Z:  350  510  200       320
02Z:  390  500  230       260       340
03Z:  400  500  200       210       330
04Z:  410  470  230       190       340
05Z:  420  440  240       170       330
06Z:  430  340  240        88       340
07Z:  410  260  230        69       340
08Z:       260             61       340
09Z:       230  220        53       330
10Z:  360  220  210        58       320
11Z:  270  200  200        76       310
12Z:       170  190       130       290
13Z:       180  180                 280
14Z:       150  190                 280
15Z:  180  110  190       290       310
16Z:  220  110  190       270   35  370
17Z:  220  190  190       310   54  420
18Z:  160  260  190       350   40  430
19Z:  110  310  180       340   20  450
20Z:   71  350  150       330   41  480
21Z:   96  400  170       320   26  470
22Z:  110  450  200       280   40  450
23Z:  130  490            260   20  440


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

TOM = Tomsk                      USSR                (N56E085)
DIX = Dixon                      USSR                (N74E081)
KHA = Khabarovsk                 USSR                (N48E135)
MAG = Magadan                    USSR                (N60E151)
MUR = Murmansk                   USSR                (N68E033)
ASH = Ashkhabad                  USSR                (N37E058)
SAL = Salekhard                  USSR                (N66E066)
JUL = Juliusruh/Rugen            Germany             (N54E013)
UPS = Uppsala                    Sweden              (N60E018)
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)
MAN = Manila                     Philippines         (N14E121)
EIE = Eielson AFB AK             USA                 (N64W147)
TAO = Taoyuan                    Taiwan              (N25E121)
RES = Resolute Bay               Canada              (N74W094)
CHU = Churchill                  Canada              (N58W094)
KEA = Keakawapu HI               USA                 (N20W156)
RAM = Ramey AFB                  Puerto Rico         (N18W067)
ARG = Argentia                   Canada              (N48W053)
BER = Bermuda                    Bermuda             (N32W064)
NIC = Nicosia                    Cyprus              (N35E033)
PAL = Palehua HI                 USA                 (N21W158)
SHE = Shemya AK                  USA                 (N52E174)
OSA = Osan AB                    Korea               (N37E127)
CNV = Cape Canaveral FL          USA                 (N28W080)
BOU = Boulder CO                 USA                 (N40W105)
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.


