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From: oler@rho.uleth.ca (Cary Oler)
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Subject: Daily Summary of Ionospheric Data for 30 May
To: solar-daily@lut.fi
Date: Tue, 1 Jun 93 13:58:18 MDT
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                    ---------------------------------------
                    DAILY IONOSPHERIC SUMMARY FOR 30 MAY 93
                    ---------------------------------------


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

     MUR  ASH  SAL  TOM  DIX  KHA  MAG  MAU  VBG  GOO  EIE  TAO  RES  CHU  KEA  RAM  ARG  BER  DYS  LEA  TOW  EGL
     ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---
00Z: 2.8  2.9  3.0  3.1       2.7       2.9  3.3  3.2  3.4  3.1  3.0       2.9  2.4  3.2   B   3.5   A   3.4  3.1
01Z: 2.7       3.0  3.0       2.7       2.9  3.1  2.8  3.5   A    F        2.9  3.1  3.3   B   3.4  2.3  3.1  3.1
02Z:           2.8  2.9       2.8       2.9  3.2  3.1  2.9  2.7   F        2.9  3.0  3.2  3.1  3.6   A   3.3  3.0
03Z:                                    3.1  3.4  2.9  3.0  2.9   F        3.1  2.8  3.2   B   3.1  3.4  3.3  2.8
04Z:      2.9  2.7  2.8                 3.0  3.2  2.6  2.8  2.9   F        3.1  3.2  2.9  3.1  2.9  3.2  3.4  2.9
05Z:      3.0  2.7  2.9            2.6  3.0  3.1  2.7  3.1  3.0  3.1       3.1  2.8  2.9   A   2.8  3.4       2.9
06Z: 2.6       6.0                 2.8  3.0  2.8  2.9  2.9  3.0            3.0  2.8  2.9  3.1  2.7  3.3       3.0
07Z:           2.8                 3.2  2.8  2.7  3.0  3.0  3.0            2.9  2.8  2.9   B   2.8   A        3.0
08Z:      2.9  2.7  2.9            2.9  2.8  3.2  3.1  2.6  3.0            2.8  3.1  3.0   B   2.8  3.3       2.9
09Z:      2.6  2.8       2.8  3.1  2.8  2.8  3.1  3.1  2.9  3.0            2.8  2.9  2.9  3.1  2.8   A        2.9
10Z:      2.8  2.9  3.0  2.7  3.1  3.0  2.9  3.1  3.0  2.7  3.2            2.9  3.2  3.3  3.3  3.0   A        3.4
11Z:      2.8       3.0  2.8  3.0  3.0  3.0  3.0  2.9  3.0   R             3.0  3.0  2.8  3.5  3.2  3.7       3.3
12Z:                3.0                 3.0  2.7  3.1  2.8  2.9            3.1  2.9  3.1  3.3  3.3  3.0       3.2
13Z: 2.8       3.1  3.1  3.0  2.8  3.0  3.2  3.3  3.3  2.9  2.8        R   3.3  3.0  3.1  3.0  3.1  3.0       2.8
14Z: 2.8  2.8  3.0  3.1       2.9  2.8  3.2  2.8  3.2  2.6  2.6       2.8  3.2  3.1  3.0  2.9  3.0  3.3  2.6  3.1
15Z: 2.8  2.6  3.0  2.9  3.0  2.8  2.9  2.8  2.6  3.1  3.0   F        2.8  2.8  3.4   A    A   2.8  3.0       2.8
16Z: 3.0  2.7  2.9  2.9  3.1  2.8       2.8  3.3  2.8  2.6   A        2.8  2.8  2.9  3.1   A   2.8  3.2  3.0  2.7
17Z: 3.1       3.0       3.1  2.9  3.0  2.8  3.0  2.7  2.7   F             2.8  3.0  3.0  3.0  3.3  2.9       2.7
18Z: 3.0  2.8  3.0            2.9            2.8  2.9  3.0   F        2.5       2.8  2.9  3.0  2.8  3.0       2.7
19Z:           3.0            3.0            3.0  2.9  2.7   F        2.9       2.8  3.0  2.8  3.0  3.0       2.8
20Z: 3.0  2.7  2.9  2.9            2.8       2.7  2.9  2.8   F        2.8       2.9  3.0  3.1  3.0  2.9       2.8
21Z: 3.1       3.0  3.0  2.9  3.1  3.0       3.3  3.0  2.6   F                  2.9  3.0  3.4  3.1  2.9       3.0
22Z: 3.0  2.9  3.0  3.1  3.0  2.8  2.8            3.0  2.7  3.4   F             3.0  3.6  3.2  3.2  3.3       2.8
23Z: 3.0  2.7  3.0  3.0  2.8  3.0  2.8       3.1  3.0  2.9  3.5   F             3.0  3.7   A   3.3   A        3.3


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

     MUR  ASH  SAL  TOM  DIX  KHA  MAG
     ---  ---  ---  ---  ---  ---  ---
00Z: 1.5  2.0  2.5  1.0  1.0  1.2
01Z: 1.0       2.5  1.0  1.2  1.2  1.0
02Z:           1.0  1.0       1.3  1.0
03Z:                     2.7
04Z:      2.0  1.5  1.0            1.0
05Z:      2.0  1.6  1.0            1.0
06Z: 1.0       1.6       1.6       1.0
07Z:           1.8       1.4       1.0
08Z:      1.1  1.9  1.0  1.2       1.0
09Z:      2.0  2.0       1.4  1.2  1.0
10Z:      2.0  2.0  1.0  1.2  1.1  1.0
11Z:      2.0       1.0  1.2  1.3  1.0
12Z:                1.0
13Z: 2.8       1.0  1.0  1.2  1.1  1.0
14Z: 3.0  2.0  1.0  1.0       1.3  1.0
15Z: 3.0  2.0  1.0  1.0  1.0  1.2  1.0
16Z: 2.0  2.0  1.0  1.0  1.2  1.0  1.0
17Z: 2.8       1.0  1.0  1.0  1.2  1.0
18Z: 1.3  2.0  1.0  1.0       1.2
19Z:           1.0       1.6  1.3
20Z: 1.0  2.0  1.0  1.0  1.0       1.0
21Z: 1.3       1.0  1.0  1.0  1.1  1.0
22Z: 1.0  2.0  1.0  1.2  1.0  1.3  1.0
23Z: 1.0  2.0  1.0  1.1  1.0  1.1  1.0


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

     MUR  ASH  SAL  TOM  DIX  KHA  MAG
     ---  ---  ---  ---  ---  ---  ---
00Z: 2.8  4.8            3.2  4.4
01Z:                          4.0  3.8
02Z:                3.9       4.1  3.6
03Z:                     6.0
04Z:      3.6  4.4                 3.5
05Z:      4.8  4.7  3.9            3.2
06Z: 3.5       4.8       4.4       3.6
07Z:           4.0       4.6       3.4
08Z:           3.8  3.8            3.0
09Z:      5.0  3.5            3.2  2.4
10Z:      6.0  3.6  3.3       3.2  2.5
11Z:      5.8       3.4       3.1  2.0
12Z:                3.3
13Z:                          4.6
14Z:      3.0  3.0  3.1       3.2
15Z:      2.4  5.0       2.9  3.0  1.8
16Z:      2.8  8.0  2.8  2.8  4.0  4.0
17Z:           4.3  8.7  2.8       2.6
18Z: 4.8  2.4  3.7   11
19Z:           4.4       4.4
20Z:      2.7  4.0  7.5  3.3       3.0
21Z:           2.2  4.2  3.0  3.2  3.4
22Z:      3.1  4.0  3.2  3.4  3.3  4.0
23Z: 3.2  3.9  5.1       3.0  3.1  4.0


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

      MUR  ASH  SAL  TOM  DIX  KHA  MAG  MAU  CAM  VBG  GOO  EIE  TAO  RES  CHU  KEA  RAM  ARG  BER  DYS  LEA  TOW  EGL  MNZ  BEI  CHQ  GUO
     ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----
00Z:  4.2  5.2  5.3  5.6  5.0  5.9      11.6  7.7  7.9  5.8  4.9  8.5  0.2      11.6  7.7  5.5   B   7.6   A   8.6  9.3  6.3  7.8  7.2 10.6
01Z:  5.0       5.0  6.3  5.2  6.3  5.0 11.1  8.2  7.2  5.9  4.5   A    F       11.0  4.4  5.5   B   7.9  8.4  8.2  7.5  6.0  8.2  6.9  8.6
02Z:            5.6  5.8       5.7  4.9 11.5  7.9  7.5  5.5  5.2  8.8  5.8      11.5  5.0  5.1  4.9  6.0   A   8.9  6.2  6.1  7.8  8.1
03Z:                      4.7           11.7  7.7  7.7  5.1  5.3 10.0   F       11.7  5.4  4.9   B   5.7  8.5  8.9  5.6  5.8  6.7  8.9
04Z:       7.2  5.9  6.8            5.0 10.4  8.0  6.4  4.4  5.4 10.5   F       10.4  4.4  4.8  4.9  5.3  8.1  8.6  4.4  6.2  6.8  8.5
05Z:       8.4  5.8  5.9            5.2 10.3  8.2  6.1  4.1  5.6 11.0  5.3      10.3  5.4  4.0   A   4.8  8.3       5.7  6.2  7.0  8.5
06Z:  5.9       6.1       5.5       5.4  9.3  7.9  5.4  3.4  6.2 10.7            9.3  4.6  4.2  5.1  4.5  8.2       5.6  6.3  7.6  9.0
07Z:            6.5       5.6       5.5  8.8  6.9  5.3  3.9  4.7 12.0            8.8  4.7  3.8   B   4.5   A        5.7  6.3  7.6  8.7 11.5
08Z:       6.8  6.3  6.6  5.6       5.4  8.8  4.8  5.1  4.1  4.8 11.5            8.8  4.1  4.7   B   4.7  8.4       4.9  6.4  7.7  9.0 12.5
09Z:       9.1  6.2       5.8  6.8  5.8  8.4  5.0  6.0  4.4  4.8 10.2            8.4  4.0  4.6  4.8  4.7   A        5.2  6.6  7.6  9.4 12.2
10Z:       8.7  6.2  6.8  5.7  6.8  6.4  8.0  4.3  5.1  4.7  5.2 10.0            8.0  4.9  5.2  6.0  4.5   A        4.5  6.6  7.4  8.5
11Z:       8.5       6.2  5.9  7.3  7.0  7.6  4.5  6.0  5.3  4.8   R             7.6  5.9  5.8  6.3  4.5  3.4  4.2  5.7       7.0  8.5  8.8
12Z:                 6.3                 7.5  4.1  5.9  5.4  4.8  7.5            7.5  6.5  6.0  6.7  6.0  3.3  3.1  6.9  6.7  7.7  7.3  8.2
13Z:  6.0       5.8  6.2  5.7  7.3  6.4  7.1  3.9  5.3  5.3  4.9  7.0       5.0  7.1  6.6  5.8  6.8  6.7  3.7  2.9  8.2  7.0  7.2  7.5  7.8
14Z:  6.0  7.9  5.9  6.4       7.0  6.0  6.5  3.8  6.4  5.6  5.2  6.8       5.4  6.5  6.7  5.9  6.8  7.2  3.1  3.1  7.7  7.0       7.8  6.8
15Z:  6.0  7.6  6.1  6.6  6.0  6.8  6.0  5.2  4.4  7.5  5.9  5.6   F        5.7  5.2  6.8   A    A   7.4  3.1  3.1  7.2  6.7       8.0  4.8
16Z:  6.4  8.4  6.2  7.4  6.0  6.8       4.5  4.5  7.7  6.0  5.5   A        5.5  4.5  6.6  6.1   A   7.8  3.1  3.1  7.2  6.7  6.4  7.5  4.8
17Z:  6.4       6.2       6.0  6.0  5.6  6.0  4.8  8.9  5.8  5.5   F             6.0  6.8  6.3  7.9  6.2  3.1       7.6  6.5  6.2  8.1  8.0
18Z:  6.2  7.2  6.1            5.8       7.9  5.3  9.0  6.3  6.3   F        5.7       6.6  6.4  7.9  8.3  3.2       7.8  6.0  6.3  9.7  8.7
19Z:            6.0            5.3       8.7  4.7  7.3  6.3  6.1   F        5.7       7.3  6.8  7.7  7.9  2.9       8.0  5.6  5.9  6.7  4.0
20Z:  5.8  7.0  5.9  5.5  6.0       5.8  9.0  4.6  8.9  6.5  6.2   F        5.8       7.4  7.0  8.2  8.2  2.8       9.3  5.5  5.5  5.9  5.6
21Z:  5.3       5.5  5.5  5.2  6.8  5.9  9.7  5.8  8.0  6.7  6.0   F                  7.3  6.8  7.7  8.0  2.8       8.6  6.0  5.7  6.0  6.0
22Z:  5.3  6.6  5.2  5.5  5.2  6.2  5.5 10.5  7.1       6.8  6.0  7.3   F             7.6  6.2  9.0  8.0  3.1       8.8  5.0  7.0  6.3  7.1
23Z:  5.5  6.0  5.3  5.5  5.6  6.5  5.4 11.1  8.1  8.9  7.0  6.0  7.0   F             7.9  6.6   A   7.9   A        9.1  6.7  6.7  6.8  6.6


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

      MUR  ASH  SAL  TOM  DIX  KHA  MAG  MAU  VBG  GOO  EIE  TAO  RES  CHU  KEA  RAM  ARG  BER  DYS  LEA  TOW  EGL
     ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----
00Z: 11.8 15.1 15.9 17.4      15.9      33.6 26.1 18.6 16.7 26.3  0.6      33.6 18.5 17.6   B  26.6   A  29.2 28.8
01Z: 13.5      15.0 18.9      17.0      32.2 22.3 16.5 15.8   A    F       31.9 13.6 18.1   B  26.9 19.3 25.4 23.2
02Z:           15.7 16.8      16.0      33.4 24.0 17.0 15.1 23.8   F       33.4 15.0 16.3 15.2 21.6   A  29.4 18.6
03Z:                                    36.3 26.2 14.8 15.9 29.0   F       36.3 15.1 15.7   B  17.7 28.9 29.4 15.7
04Z:      20.9 15.9 19.0                31.7 20.5 11.4 15.1 30.5   F       32.2 14.1 13.9 15.2 15.4 25.9 29.2 12.8
05Z:      25.2 15.7 17.1           13.5 31.4 18.9 11.1 17.4 33.0 16.4      31.9 15.1 11.6   A  13.4 28.2      16.5
06Z: 15.3      36.6                15.1 27.9 15.1  9.9 18.0 32.1           27.9 12.9 12.2 15.8 12.2 27.1      16.8
07Z:           18.2                17.6 25.1 14.3 11.7 14.1 36.0           25.5 13.2 11.0   B  12.6   A       17.1
08Z:      19.7 17.0 19.1           15.7 24.6 16.3 12.7 12.5 34.5           24.6 12.7 14.1   B  13.2 27.7      14.2
09Z:      23.7 17.4      16.2 21.1 16.2 23.5 18.6 13.6 13.9 30.6           23.5 11.6 13.3 14.9 13.2   A       15.1
10Z:      24.4 18.0 20.4 15.4 21.1 19.2 23.2 15.8 14.1 14.0 32.0           23.2 15.7 17.2 19.8 13.5   A       15.3
11Z:      23.8      18.6 16.5 21.9 21.0 22.8 18.0 15.4 14.4   R            22.8 17.7 16.2 22.1 14.4 12.6      18.8
12Z:                18.9                22.9 15.9 16.7 13.4 21.8           23.2 18.9 18.6 22.1 19.8  9.9      22.1
13Z: 16.8      18.0 19.2 17.1 20.4 19.2 23.1 17.5 17.5 14.2 19.6        R  23.4 19.8 18.0 20.4 20.8 11.1      23.0
14Z: 16.8 22.1 17.7 19.8      20.3 16.8 20.5 17.9 17.9 13.5 17.7      15.1 20.8 20.8 17.7 19.7 21.6 10.2  8.1 23.9
15Z: 16.8 19.8 18.3 19.1 18.0 19.0 17.4 14.6 19.5 18.3 16.8   F       16.0 14.6 23.1   A    A  20.7  9.3      20.2
16Z: 19.2 22.7 18.0 21.5 18.6 19.0      12.6 25.4 16.8 14.3   A       15.4 12.6 19.1 18.9   A  21.8  9.9  9.3 19.4
17Z: 19.8      18.6      18.6 17.4 16.8 16.8 26.7 15.7 14.9   F            16.8 20.4 18.9 23.7 20.5  9.0      20.5
18Z: 18.6 20.2 18.3           16.8           25.2 18.3 18.9   F       14.2      18.5 18.6 23.7 23.2  9.6      21.1
19Z:           18.0           15.9           21.9 18.3 16.5   F       16.5      20.4 20.4 21.6 23.7  8.7      22.4
20Z: 17.4 18.9 17.1 16.0           16.2      24.0 18.9 17.4   F       16.2      21.5 21.0 25.4 24.6  8.1      26.0
21Z: 16.4      16.5 16.5 15.1 21.1 17.7      26.4 20.1 15.6   F                 21.2 20.4 26.2 24.8  8.1      25.8
22Z: 15.9 19.1 15.6 17.0 15.6 17.4 15.4           20.4 16.2 24.8   F            22.8 22.3 28.8 25.6 10.2      24.6
23Z: 16.5 16.2 15.9 16.5 15.7 19.5 15.1      27.6 21.0 17.4 24.5   F            23.7 24.4   A  26.1   A       30.0


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

      TAO  PAL  SHE  OSA  CNV  BOU  ANC
     ---- ---- ---- ---- ---- ---- ----
00Z:  330  410            340       340
01Z:  350  390            290       330
02Z:  390  390            220       320
03Z:  440  400            190       320
04Z:  450  350            170       310
05Z:  470  350            170       320
06Z:  500  320            170       330
07Z:  520  260            180       330
08Z:  530  240            170       330
09Z:  470  210            160       310
10Z:  440  210            140       290
11Z:       180            130       280
12Z:       180            200       280
13Z:  210  130            260       280
14Z:  190  110            290       290
15Z:  170   91            310       320
16Z:  190  100            330       360
17Z:  160  170            350       410
18Z:  140  250            380       420
19Z:  120  290  120       390       450
20Z:  120  320  110       400       440
21Z:  150  350  130       390       430
22Z:       400  200       370       400
23Z:  320  410  230       360       370


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

MUR = Murmansk                   USSR                (N68E033)
ASH = Ashkhabad                  USSR                (N37E058)
SAL = Salekhard                  USSR                (N66E066)
TOM = Tomsk                      USSR                (N56E085)
DIX = Dixon                      USSR                (N74E081)
KHA = Khabarovsk                 USSR                (N48E135)
MAG = Magadan                    USSR                (N60E151)
MAU = Maui HI                    USA                 (N20W157)
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) (ETS II)
RES = Resolute Bay               Canada              (N74W094)
PAL = Palehua HI                 USA                 (N21W158) (GOES-3)
SHE = Shemya AK                  USA                 (N52E174) (GOES-3)
OSA = Osan AB                    Korea               (N37E127)
CNV = Cape Canaveral FL          USA                 (N28W080) (GOES-2)
BOU = Boulder CO                 USA                 (N40W105) (GOES-2)
ANC = Anchorage AK               USA                 (N61W150) (GOES-3)
CHU = Churchill                  Canada              (N58W094)
KEA = Keakawapu HI               USA                 (N20W156)
RAM = Ramey AFB                  Puerto Rico         (N18W067)
ARG = Argentia                   Canada              (N48W053)
BER = Bermuda                    Bermuda             (N32W064)
DYS = Dyess AFB TX               USA                 (N32W099)
LEA = Learmonth                  Australia           (S21E115)
TOW = Townsville                 Australia           (S19E147)
EGL = Eglin AFB FL               USA                 (N30W086)
MNZ = Manzhouli                  China               (N49E117)
BEI = Beijing                    China               (N40E116)
CHQ = Chongqing                  China               (N29E106)
GUO = Guangzhou                  China               (N23E113)


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.



From solar-daily-request@lut.fi Wed Jun  2 01:36:47 1993
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From: oler@rho.uleth.ca (Cary Oler)
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Subject: Daily Summary of Ionospheric Data for 30 May
To: solar-daily@lut.fi
Date: 	Tue, 1 Jun 1993 22:58:18 +0300
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                    ---------------------------------------
                    DAILY IONOSPHERIC SUMMARY FOR 30 MAY 93
                    ---------------------------------------


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

     MUR  ASH  SAL  TOM  DIX  KHA  MAG  MAU  VBG  GOO  EIE  TAO  RES  CHU  KEA  RAM  ARG  BER  DYS  LEA  TOW  EGL
     ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---
00Z: 2.8  2.9  3.0  3.1       2.7       2.9  3.3  3.2  3.4  3.1  3.0       2.9  2.4  3.2   B   3.5   A   3.4  3.1
01Z: 2.7       3.0  3.0       2.7       2.9  3.1  2.8  3.5   A    F        2.9  3.1  3.3   B   3.4  2.3  3.1  3.1
02Z:           2.8  2.9       2.8       2.9  3.2  3.1  2.9  2.7   F        2.9  3.0  3.2  3.1  3.6   A   3.3  3.0
03Z:                                    3.1  3.4  2.9  3.0  2.9   F        3.1  2.8  3.2   B   3.1  3.4  3.3  2.8
04Z:      2.9  2.7  2.8                 3.0  3.2  2.6  2.8  2.9   F        3.1  3.2  2.9  3.1  2.9  3.2  3.4  2.9
05Z:      3.0  2.7  2.9            2.6  3.0  3.1  2.7  3.1  3.0  3.1       3.1  2.8  2.9   A   2.8  3.4       2.9
06Z: 2.6       6.0                 2.8  3.0  2.8  2.9  2.9  3.0            3.0  2.8  2.9  3.1  2.7  3.3       3.0
07Z:           2.8                 3.2  2.8  2.7  3.0  3.0  3.0            2.9  2.8  2.9   B   2.8   A        3.0
08Z:      2.9  2.7  2.9            2.9  2.8  3.2  3.1  2.6  3.0            2.8  3.1  3.0   B   2.8  3.3       2.9
09Z:      2.6  2.8       2.8  3.1  2.8  2.8  3.1  3.1  2.9  3.0            2.8  2.9  2.9  3.1  2.8   A        2.9
10Z:      2.8  2.9  3.0  2.7  3.1  3.0  2.9  3.1  3.0  2.7  3.2            2.9  3.2  3.3  3.3  3.0   A        3.4
11Z:      2.8       3.0  2.8  3.0  3.0  3.0  3.0  2.9  3.0   R             3.0  3.0  2.8  3.5  3.2  3.7       3.3
12Z:                3.0                 3.0  2.7  3.1  2.8  2.9            3.1  2.9  3.1  3.3  3.3  3.0       3.2
13Z: 2.8       3.1  3.1  3.0  2.8  3.0  3.2  3.3  3.3  2.9  2.8        R   3.3  3.0  3.1  3.0  3.1  3.0       2.8
14Z: 2.8  2.8  3.0  3.1       2.9  2.8  3.2  2.8  3.2  2.6  2.6       2.8  3.2  3.1  3.0  2.9  3.0  3.3  2.6  3.1
15Z: 2.8  2.6  3.0  2.9  3.0  2.8  2.9  2.8  2.6  3.1  3.0   F        2.8  2.8  3.4   A    A   2.8  3.0       2.8
16Z: 3.0  2.7  2.9  2.9  3.1  2.8       2.8  3.3  2.8  2.6   A        2.8  2.8  2.9  3.1   A   2.8  3.2  3.0  2.7
17Z: 3.1       3.0       3.1  2.9  3.0  2.8  3.0  2.7  2.7   F             2.8  3.0  3.0  3.0  3.3  2.9       2.7
18Z: 3.0  2.8  3.0            2.9            2.8  2.9  3.0   F        2.5       2.8  2.9  3.0  2.8  3.0       2.7
19Z:           3.0            3.0            3.0  2.9  2.7   F        2.9       2.8  3.0  2.8  3.0  3.0       2.8
20Z: 3.0  2.7  2.9  2.9            2.8       2.7  2.9  2.8   F        2.8       2.9  3.0  3.1  3.0  2.9       2.8
21Z: 3.1       3.0  3.0  2.9  3.1  3.0       3.3  3.0  2.6   F                  2.9  3.0  3.4  3.1  2.9       3.0
22Z: 3.0  2.9  3.0  3.1  3.0  2.8  2.8            3.0  2.7  3.4   F             3.0  3.6  3.2  3.2  3.3       2.8
23Z: 3.0  2.7  3.0  3.0  2.8  3.0  2.8       3.1  3.0  2.9  3.5   F             3.0  3.7   A   3.3   A        3.3


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

     MUR  ASH  SAL  TOM  DIX  KHA  MAG
     ---  ---  ---  ---  ---  ---  ---
00Z: 1.5  2.0  2.5  1.0  1.0  1.2
01Z: 1.0       2.5  1.0  1.2  1.2  1.0
02Z:           1.0  1.0       1.3  1.0
03Z:                     2.7
04Z:      2.0  1.5  1.0            1.0
05Z:      2.0  1.6  1.0            1.0
06Z: 1.0       1.6       1.6       1.0
07Z:           1.8       1.4       1.0
08Z:      1.1  1.9  1.0  1.2       1.0
09Z:      2.0  2.0       1.4  1.2  1.0
10Z:      2.0  2.0  1.0  1.2  1.1  1.0
11Z:      2.0       1.0  1.2  1.3  1.0
12Z:                1.0
13Z: 2.8       1.0  1.0  1.2  1.1  1.0
14Z: 3.0  2.0  1.0  1.0       1.3  1.0
15Z: 3.0  2.0  1.0  1.0  1.0  1.2  1.0
16Z: 2.0  2.0  1.0  1.0  1.2  1.0  1.0
17Z: 2.8       1.0  1.0  1.0  1.2  1.0
18Z: 1.3  2.0  1.0  1.0       1.2
19Z:           1.0       1.6  1.3
20Z: 1.0  2.0  1.0  1.0  1.0       1.0
21Z: 1.3       1.0  1.0  1.0  1.1  1.0
22Z: 1.0  2.0  1.0  1.2  1.0  1.3  1.0
23Z: 1.0  2.0  1.0  1.1  1.0  1.1  1.0


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

     MUR  ASH  SAL  TOM  DIX  KHA  MAG
     ---  ---  ---  ---  ---  ---  ---
00Z: 2.8  4.8            3.2  4.4
01Z:                          4.0  3.8
02Z:                3.9       4.1  3.6
03Z:                     6.0
04Z:      3.6  4.4                 3.5
05Z:      4.8  4.7  3.9            3.2
06Z: 3.5       4.8       4.4       3.6
07Z:           4.0       4.6       3.4
08Z:           3.8  3.8            3.0
09Z:      5.0  3.5            3.2  2.4
10Z:      6.0  3.6  3.3       3.2  2.5
11Z:      5.8       3.4       3.1  2.0
12Z:                3.3
13Z:                          4.6
14Z:      3.0  3.0  3.1       3.2
15Z:      2.4  5.0       2.9  3.0  1.8
16Z:      2.8  8.0  2.8  2.8  4.0  4.0
17Z:           4.3  8.7  2.8       2.6
18Z: 4.8  2.4  3.7   11
19Z:           4.4       4.4
20Z:      2.7  4.0  7.5  3.3       3.0
21Z:           2.2  4.2  3.0  3.2  3.4
22Z:      3.1  4.0  3.2  3.4  3.3  4.0
23Z: 3.2  3.9  5.1       3.0  3.1  4.0


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

      MUR  ASH  SAL  TOM  DIX  KHA  MAG  MAU  CAM  VBG  GOO  EIE  TAO  RES  CHU  KEA  RAM  ARG  BER  DYS  LEA  TOW  EGL  MNZ  BEI  CHQ  GUO
     ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----
00Z:  4.2  5.2  5.3  5.6  5.0  5.9      11.6  7.7  7.9  5.8  4.9  8.5  0.2      11.6  7.7  5.5   B   7.6   A   8.6  9.3  6.3  7.8  7.2 10.6
01Z:  5.0       5.0  6.3  5.2  6.3  5.0 11.1  8.2  7.2  5.9  4.5   A    F       11.0  4.4  5.5   B   7.9  8.4  8.2  7.5  6.0  8.2  6.9  8.6
02Z:            5.6  5.8       5.7  4.9 11.5  7.9  7.5  5.5  5.2  8.8  5.8      11.5  5.0  5.1  4.9  6.0   A   8.9  6.2  6.1  7.8  8.1
03Z:                      4.7           11.7  7.7  7.7  5.1  5.3 10.0   F       11.7  5.4  4.9   B   5.7  8.5  8.9  5.6  5.8  6.7  8.9
04Z:       7.2  5.9  6.8            5.0 10.4  8.0  6.4  4.4  5.4 10.5   F       10.4  4.4  4.8  4.9  5.3  8.1  8.6  4.4  6.2  6.8  8.5
05Z:       8.4  5.8  5.9            5.2 10.3  8.2  6.1  4.1  5.6 11.0  5.3      10.3  5.4  4.0   A   4.8  8.3       5.7  6.2  7.0  8.5
06Z:  5.9       6.1       5.5       5.4  9.3  7.9  5.4  3.4  6.2 10.7            9.3  4.6  4.2  5.1  4.5  8.2       5.6  6.3  7.6  9.0
07Z:            6.5       5.6       5.5  8.8  6.9  5.3  3.9  4.7 12.0            8.8  4.7  3.8   B   4.5   A        5.7  6.3  7.6  8.7 11.5
08Z:       6.8  6.3  6.6  5.6       5.4  8.8  4.8  5.1  4.1  4.8 11.5            8.8  4.1  4.7   B   4.7  8.4       4.9  6.4  7.7  9.0 12.5
09Z:       9.1  6.2       5.8  6.8  5.8  8.4  5.0  6.0  4.4  4.8 10.2            8.4  4.0  4.6  4.8  4.7   A        5.2  6.6  7.6  9.4 12.2
10Z:       8.7  6.2  6.8  5.7  6.8  6.4  8.0  4.3  5.1  4.7  5.2 10.0            8.0  4.9  5.2  6.0  4.5   A        4.5  6.6  7.4  8.5
11Z:       8.5       6.2  5.9  7.3  7.0  7.6  4.5  6.0  5.3  4.8   R             7.6  5.9  5.8  6.3  4.5  3.4  4.2  5.7       7.0  8.5  8.8
12Z:                 6.3                 7.5  4.1  5.9  5.4  4.8  7.5            7.5  6.5  6.0  6.7  6.0  3.3  3.1  6.9  6.7  7.7  7.3  8.2
13Z:  6.0       5.8  6.2  5.7  7.3  6.4  7.1  3.9  5.3  5.3  4.9  7.0       5.0  7.1  6.6  5.8  6.8  6.7  3.7  2.9  8.2  7.0  7.2  7.5  7.8
14Z:  6.0  7.9  5.9  6.4       7.0  6.0  6.5  3.8  6.4  5.6  5.2  6.8       5.4  6.5  6.7  5.9  6.8  7.2  3.1  3.1  7.7  7.0       7.8  6.8
15Z:  6.0  7.6  6.1  6.6  6.0  6.8  6.0  5.2  4.4  7.5  5.9  5.6   F        5.7  5.2  6.8   A    A   7.4  3.1  3.1  7.2  6.7       8.0  4.8
16Z:  6.4  8.4  6.2  7.4  6.0  6.8       4.5  4.5  7.7  6.0  5.5   A        5.5  4.5  6.6  6.1   A   7.8  3.1  3.1  7.2  6.7  6.4  7.5  4.8
17Z:  6.4       6.2       6.0  6.0  5.6  6.0  4.8  8.9  5.8  5.5   F             6.0  6.8  6.3  7.9  6.2  3.1       7.6  6.5  6.2  8.1  8.0
18Z:  6.2  7.2  6.1            5.8       7.9  5.3  9.0  6.3  6.3   F        5.7       6.6  6.4  7.9  8.3  3.2       7.8  6.0  6.3  9.7  8.7
19Z:            6.0            5.3       8.7  4.7  7.3  6.3  6.1   F        5.7       7.3  6.8  7.7  7.9  2.9       8.0  5.6  5.9  6.7  4.0
20Z:  5.8  7.0  5.9  5.5  6.0       5.8  9.0  4.6  8.9  6.5  6.2   F        5.8       7.4  7.0  8.2  8.2  2.8       9.3  5.5  5.5  5.9  5.6
21Z:  5.3       5.5  5.5  5.2  6.8  5.9  9.7  5.8  8.0  6.7  6.0   F                  7.3  6.8  7.7  8.0  2.8       8.6  6.0  5.7  6.0  6.0
22Z:  5.3  6.6  5.2  5.5  5.2  6.2  5.5 10.5  7.1       6.8  6.0  7.3   F             7.6  6.2  9.0  8.0  3.1       8.8  5.0  7.0  6.3  7.1
23Z:  5.5  6.0  5.3  5.5  5.6  6.5  5.4 11.1  8.1  8.9  7.0  6.0  7.0   F             7.9  6.6   A   7.9   A        9.1  6.7  6.7  6.8  6.6


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

      MUR  ASH  SAL  TOM  DIX  KHA  MAG  MAU  VBG  GOO  EIE  TAO  RES  CHU  KEA  RAM  ARG  BER  DYS  LEA  TOW  EGL
     ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----
00Z: 11.8 15.1 15.9 17.4      15.9      33.6 26.1 18.6 16.7 26.3  0.6      33.6 18.5 17.6   B  26.6   A  29.2 28.8
01Z: 13.5      15.0 18.9      17.0      32.2 22.3 16.5 15.8   A    F       31.9 13.6 18.1   B  26.9 19.3 25.4 23.2
02Z:           15.7 16.8      16.0      33.4 24.0 17.0 15.1 23.8   F       33.4 15.0 16.3 15.2 21.6   A  29.4 18.6
03Z:                                    36.3 26.2 14.8 15.9 29.0   F       36.3 15.1 15.7   B  17.7 28.9 29.4 15.7
04Z:      20.9 15.9 19.0                31.7 20.5 11.4 15.1 30.5   F       32.2 14.1 13.9 15.2 15.4 25.9 29.2 12.8
05Z:      25.2 15.7 17.1           13.5 31.4 18.9 11.1 17.4 33.0 16.4      31.9 15.1 11.6   A  13.4 28.2      16.5
06Z: 15.3      36.6                15.1 27.9 15.1  9.9 18.0 32.1           27.9 12.9 12.2 15.8 12.2 27.1      16.8
07Z:           18.2                17.6 25.1 14.3 11.7 14.1 36.0           25.5 13.2 11.0   B  12.6   A       17.1
08Z:      19.7 17.0 19.1           15.7 24.6 16.3 12.7 12.5 34.5           24.6 12.7 14.1   B  13.2 27.7      14.2
09Z:      23.7 17.4      16.2 21.1 16.2 23.5 18.6 13.6 13.9 30.6           23.5 11.6 13.3 14.9 13.2   A       15.1
10Z:      24.4 18.0 20.4 15.4 21.1 19.2 23.2 15.8 14.1 14.0 32.0           23.2 15.7 17.2 19.8 13.5   A       15.3
11Z:      23.8      18.6 16.5 21.9 21.0 22.8 18.0 15.4 14.4   R            22.8 17.7 16.2 22.1 14.4 12.6      18.8
12Z:                18.9                22.9 15.9 16.7 13.4 21.8           23.2 18.9 18.6 22.1 19.8  9.9      22.1
13Z: 16.8      18.0 19.2 17.1 20.4 19.2 23.1 17.5 17.5 14.2 19.6        R  23.4 19.8 18.0 20.4 20.8 11.1      23.0
14Z: 16.8 22.1 17.7 19.8      20.3 16.8 20.5 17.9 17.9 13.5 17.7      15.1 20.8 20.8 17.7 19.7 21.6 10.2  8.1 23.9
15Z: 16.8 19.8 18.3 19.1 18.0 19.0 17.4 14.6 19.5 18.3 16.8   F       16.0 14.6 23.1   A    A  20.7  9.3      20.2
16Z: 19.2 22.7 18.0 21.5 18.6 19.0      12.6 25.4 16.8 14.3   A       15.4 12.6 19.1 18.9   A  21.8  9.9  9.3 19.4
17Z: 19.8      18.6      18.6 17.4 16.8 16.8 26.7 15.7 14.9   F            16.8 20.4 18.9 23.7 20.5  9.0      20.5
18Z: 18.6 20.2 18.3           16.8           25.2 18.3 18.9   F       14.2      18.5 18.6 23.7 23.2  9.6      21.1
19Z:           18.0           15.9           21.9 18.3 16.5   F       16.5      20.4 20.4 21.6 23.7  8.7      22.4
20Z: 17.4 18.9 17.1 16.0           16.2      24.0 18.9 17.4   F       16.2      21.5 21.0 25.4 24.6  8.1      26.0
21Z: 16.4      16.5 16.5 15.1 21.1 17.7      26.4 20.1 15.6   F                 21.2 20.4 26.2 24.8  8.1      25.8
22Z: 15.9 19.1 15.6 17.0 15.6 17.4 15.4           20.4 16.2 24.8   F            22.8 22.3 28.8 25.6 10.2      24.6
23Z: 16.5 16.2 15.9 16.5 15.7 19.5 15.1      27.6 21.0 17.4 24.5   F            23.7 24.4   A  26.1   A       30.0


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

      TAO  PAL  SHE  OSA  CNV  BOU  ANC
     ---- ---- ---- ---- ---- ---- ----
00Z:  330  410            340       340
01Z:  350  390            290       330
02Z:  390  390            220       320
03Z:  440  400            190       320
04Z:  450  350            170       310
05Z:  470  350            170       320
06Z:  500  320            170       330
07Z:  520  260            180       330
08Z:  530  240            170       330
09Z:  470  210            160       310
10Z:  440  210            140       290
11Z:       180            130       280
12Z:       180            200       280
13Z:  210  130            260       280
14Z:  190  110            290       290
15Z:  170   91            310       320
16Z:  190  100            330       360
17Z:  160  170            350       410
18Z:  140  250            380       420
19Z:  120  290  120       390       450
20Z:  120  320  110       400       440
21Z:  150  350  130       390       430
22Z:       400  200       370       400
23Z:  320  410  230       360       370


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

MUR = Murmansk                   USSR                (N68E033)
ASH = Ashkhabad                  USSR                (N37E058)
SAL = Salekhard                  USSR                (N66E066)
TOM = Tomsk                      USSR                (N56E085)
DIX = Dixon                      USSR                (N74E081)
KHA = Khabarovsk                 USSR                (N48E135)
MAG = Magadan                    USSR                (N60E151)
MAU = Maui HI                    USA                 (N20W157)
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) (ETS II)
RES = Resolute Bay               Canada              (N74W094)
PAL = Palehua HI                 USA                 (N21W158) (GOES-3)
SHE = Shemya AK                  USA                 (N52E174) (GOES-3)
OSA = Osan AB                    Korea               (N37E127)
CNV = Cape Canaveral FL          USA                 (N28W080) (GOES-2)
BOU = Boulder CO                 USA                 (N40W105) (GOES-2)
ANC = Anchorage AK               USA                 (N61W150) (GOES-3)
CHU = Churchill                  Canada              (N58W094)
KEA = Keakawapu HI               USA                 (N20W156)
RAM = Ramey AFB                  Puerto Rico         (N18W067)
ARG = Argentia                   Canada              (N48W053)
BER = Bermuda                    Bermuda             (N32W064)
DYS = Dyess AFB TX               USA                 (N32W099)
LEA = Learmonth                  Australia           (S21E115)
TOW = Townsville                 Australia           (S19E147)
EGL = Eglin AFB FL               USA                 (N30W086)
MNZ = Manzhouli                  China               (N49E117)
BEI = Beijing                    China               (N40E116)
CHQ = Chongqing                  China               (N29E106)
GUO = Guangzhou                  China               (N23E113)


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.



