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From: oler@rho.uleth.ca (Cary Oler)
Reply-To: SOLAR-DAILY Distribution List <solar-daily@lut.fi>
To: SOLAR-DAILY Distribution List <solar-daily@lut.fi>
Message-Id: <9212051957.AA13634@rho.uleth.ca>
Subject: Daily Summary of Ionospheric Data for 04 December
Date: Sat, 5 Dec 92 12:57:00 MST
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Status: OR

                    ---------------------------------------
                    DAILY IONOSPHERIC SUMMARY FOR 04 DEC 92
                    ---------------------------------------


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

     BOU  VBG  GOO  EIE  TAO  KEA
     ---  ---  ---  ---  ---  ---
00Z: 3.5       2.9        R   3.1
01Z: 3.3  3.2  2.9       3.3  3.1
02Z: 3.1  3.5  3.0   B   3.4  3.1
03Z: 3.3  2.7  3.2   B   3.3  3.4
04Z: 2.9  2.4  3.1   B   3.1  3.6
05Z: 2.8  3.7  2.8   B   3.2  3.2
06Z: 2.8  2.5   B   3.0       3.5
07Z: 2.8  2.9   A   2.7  3.3  3.3
08Z: 2.9  3.4  3.0  2.6       3.0
09Z: 2.9  2.9  3.0        R   3.0
10Z: 3.1  3.0  3.1   A   3.3  3.0
11Z: 2.8  2.7  2.7   A   2.9  3.2
12Z: 2.7  2.4  3.6        R   3.3
13Z: 2.8  3.2  3.3   B   3.3  3.1
14Z:      3.1  3.2   A   3.2  3.3
15Z:           3.1   B   3.2  2.6
16Z:      2.4  3.3   B   3.0  2.5
17Z:      3.1  3.2   B   3.1  3.2
18Z:      3.4  3.3   B   3.3
19Z:      4.3  3.4  3.0  3.2
20Z:      3.5  3.1  3.0  2.9
21Z:      3.3  3.0       2.8
22Z:      3.1  3.1  3.0  3.0
23Z:      3.6  2.7  3.2  3.3


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

      BOU  OTI  VBG  GOO  EIE  TAO  CHU  KEA
     ---- ---- ---- ---- ---- ---- ---- ----
00Z:  7.4            4.7        R       11.9
01Z:  5.0       6.4  4.0      13.1      12.0
02Z:  3.7       5.1  3.4   B  14.0      11.5
03Z:  2.5       4.5  3.7   B  10.2      12.0
04Z:  2.5       8.0  3.8   B   9.6       9.3
05Z:  2.2       3.6  3.8   B  10.3       5.6
06Z:  2.5       6.2   B   4.1            6.0
07Z:  3.2       3.9   A   4.1 12.0       5.9
08Z:  3.4       4.0  3.1  3.8            5.3
09Z:  3.4       3.7  2.9        R        4.9
10Z:  3.6       3.4  2.6   A   5.7       5.0
11Z:  2.9       3.3  3.8   A   6.5       4.8
12Z:  2.7       4.0  6.5        R        4.2
13Z:  2.7  5.8  5.4  9.2   B   6.6       3.9
14Z:       7.8  6.0  9.7   A   5.6   R   3.5
15Z:                10.4   B   4.7   R   2.8
16Z:            6.5 10.3   B   4.2   R   3.3
17Z:      10.8 10.3 10.2   B   4.8  6.6  5.5
18Z:      10.6 10.4 10.2   B   4.6  8.2
19Z:            7.1  9.9  3.9  4.1  9.4
20Z:           10.2  8.7  4.6  3.2 10.0
21Z:            9.8  6.2       3.1 10.3
22Z:            9.7  3.8  5.3  4.0
23Z:            8.4  2.3  5.6  7.5   F


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

      BOU  VBG  GOO  EIE  TAO  KEA
     ---- ---- ---- ---- ---- ----
00Z: 26.3      13.6        R  36.9
01Z: 16.5 20.5 11.6      43.2 37.2
02Z: 11.5 17.9 10.2   B  47.6 35.6
03Z:  8.4 12.2 11.8   B  33.7 40.8
04Z:  7.2 19.2 11.8   B  29.8 33.5
05Z:  6.1 13.3 10.6   B  33.0 17.9
06Z:  6.9 15.5   B  12.3      21.0
07Z:  9.0 11.3   A  11.1 39.6 19.5
08Z:  9.9 13.6  9.3  9.9      15.9
09Z:  9.9 10.7  8.7        R  14.7
10Z: 11.2 10.2  8.1   A  18.8 15.0
11Z:  8.3  8.9 10.3   A  18.9 15.4
12Z:  7.3  9.6 23.4        R  13.9
13Z:  7.6 17.3 30.4   B  21.8 12.1
14Z:      18.6 31.0   A  17.9 11.6
15Z:           32.2   B  15.0  7.3
16Z:      15.6 34.0   B  12.6  8.2
17Z:      31.9 32.6   B  14.9 17.6
18Z:      35.4 33.7   B  15.2
19Z:      30.5 33.7 11.7 13.1
20Z:      35.7 27.0 13.8  9.3
21Z:      32.3 18.6       8.7
22Z:      30.1 11.8 15.9 12.0
23Z:      30.2  6.2 17.9 24.8


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

      BOU  TAO  ANC  CNV  OSA  PAL
     ---- ---- ---- ---- ---- ----
00Z:  220  400  220  180       510
01Z:  110  450  200  120       480
02Z:       470  150  100       440
03Z:       450  140  120       380
04Z:   62  440   97  120       220
05Z:   65  480   51  120       120
06Z:       460   40  120   78  110
07Z:       430   35  130   41  120
08Z:       310   33  130        84
09Z:       220   36             66
10Z:       190   31  120        54
11Z:   62  200   33  120        57
12Z:   59  220   25  130        56
13Z:   58  190   24  140        52
14Z:   64  170   24  190        48
15Z:       140   26  260        46
16Z:  190  130   31  300        58
17Z:       130   28  300       100
18Z:       130   37  270       260
19Z:       120   73  260       300
20Z:  310  110  110  260       410
21Z:  280  110  130  260       530
22Z:  280  180  150  230       620
23Z:  230  350  180  200       690


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

BOU = Boulder CO                 USA                 (N40W105) (GOES-2)
OTI = Ottawa                     Canada              (N45W076)
VBG = Vandenberg AFB CA          USA                 (N34W120)
GOO = Goose Bay                  Canada              (N53W060)
EIE = Eielson AFB AK             USA                 (N64W147)
TAO = Taoyuan                    Taiwan              (N25E121) (ETS II)
CHU = Churchill                  Canada              (N58W094)
KEA = Keakawapu HI               USA                 (N20W156)
ANC = Anchorage AK               USA                 (N61W150) (GOES-3)
CNV = Cape Canaveral FL          USA                 (N28W080) (GOES-2)
OSA = Osan AB                    Korea               (N37E127) (ETS II)
PAL = Palehua HI                 USA                 (N21W158) (GOES-3)


DESCRIPTIVE CODES WHICH MAY APPEAR IN THE FOF2 AND M(3000) 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


     TEC 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.


