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From: oler@rho.uleth.ca (Cary Oler)
Message-Id: <9307010302.AA23891@rho.uleth.ca>
Subject: Daily Summary of Ionospheric Data for 30 June
To: solar-daily@lut.fi
Date: Wed, 30 Jun 93 21:02:35 MDT
X-Mailer: ELM [version 2.3 PL11]
Reply-To: SOLAR-DAILY Distribution List <solar-daily@lut.fi>
X-Sequence: 862
Status: OR

                    ---------------------------------------
                    DAILY IONOSPHERIC SUMMARY FOR 30 JUN 93
                    ---------------------------------------


REPORTS OF IONOSPHERIC ABSORPTION
---------------------------------

DIX: Type of Measurement = Riometer.
     Type of Phenomenon  = Auroral Absorption.
     Start of Event: 0055Z
     Event Maximum : 0145Z,  Maximum Absorption: 1 dB
     End of Event  : 0400Z


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

     BOU  MAU  VBG  GOO  EIE  TAO  RES  CHU  KEA  RAM  ARG  MUR  SAL  TOM  DIX  ASH  KHA  MAG  JUL  UPS
     ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---
00Z: 3.0  2.7  2.9  2.8  2.5  3.2   F        2.7  3.0  3.2  2.6  2.9  2.8       2.8  3.0  2.9  2.8
01Z:      2.8  2.9  2.5  2.8  3.2  2.9       2.9  2.6  2.9       2.8  2.8       2.5  3.1  2.9  2.8  2.7
02Z:      3.0  2.9  2.8  2.8  2.9  2.9       3.0  3.4   B        2.7  3.0       2.6  2.7  2.9  2.7  2.7
03Z:      3.0  3.2  2.4  2.8  2.6   F        3.0  3.3   A   2.7  2.7  2.7       2.9  2.6  3.0  2.9  2.7
04Z:      3.1  3.4  2.6  2.8  2.6   F        3.1  2.7  3.0       2.7  2.8       2.6  2.7  2.8  2.7  2.9
05Z:      3.0  3.0   A   2.9  2.9   F        3.1  2.9  3.0  2.7  2.6  2.7       2.8  2.9  2.8
06Z:      3.0  3.4  2.7  2.8   A             3.0  2.9  2.8       2.6  3.2       2.7  3.0  3.0  2.8
07Z:      2.8  3.0   A   3.4   A             2.8  2.7   B        2.8  3.0            2.7  3.0
08Z:      2.8  2.9  2.6  3.0  2.9            2.8  2.6   B        3.0  2.9            2.9  3.0  2.6
09Z:      2.8  2.8  3.0        A             2.9  2.9   A   3.1  2.6  2.9  2.8       2.8
10Z:      2.7  3.0  3.1  2.6  3.2            2.7  3.2  3.2       2.8  2.9  2.6  2.9  2.8  3.0
11Z:      3.2  2.9  3.0  2.7  3.0            3.2  4.3   B   1.7  3.0  2.9       2.9       2.9
12Z:      3.0  2.9  3.0  2.7  3.0            3.0  3.7   B
13Z:      3.2  3.2  3.0  3.7   R        3.2  3.2  3.0   B
14Z:      2.8  3.2  3.2  3.1  2.6       3.0  2.8  3.1   B
15Z:      2.9  3.0  3.0  2.7   I        3.2  2.9  2.7   A
16Z:      3.1  2.8  2.9  2.8   R        2.8  3.1  2.9   B
17Z:      3.7  2.6  3.0  2.9   R        3.1  3.7  3.0   B
18Z:            A   2.9  2.6  3.0       3.0       2.9   B
19Z:           2.7  2.9  3.5  3.2       2.8       2.8   B
20Z:           2.6  2.9  3.5  3.6       2.9       2.8   B
21Z:           2.6  2.7  3.5   F        2.8       2.9  3.0
22Z:           2.7  2.9  2.5  3.0   F             2.9  3.0
23Z:           2.7  2.9  2.6        F             3.0   B
=========================================
Estimated Average Global M(3000)F2:  2.91.


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

     MUR  SAL  TOM  DIX  ASH  KHA  MAG
     ---  ---  ---  ---  ---  ---  ---
00Z: 1.0  1.0  1.0  1.0  1.5  1.2  1.0
01Z: 1.0  1.0  1.0  2.8  1.5  1.3  1.0
02Z: 1.0  1.0  1.0       1.5  1.4  1.0
03Z: 1.0  1.0  1.0       2.0  1.3  1.0
04Z: 1.0  1.0  1.0  1.8  1.8  1.4  1.0
05Z: 1.0  1.0  2.0  1.2  1.3  1.5  1.0
06Z: 1.0  1.0  2.0  1.0  2.0  1.3  1.0
07Z: 1.0  1.0  1.9  1.0       1.5  1.0
08Z: 1.0  1.0  2.2  1.0       1.5  1.0
09Z: 1.5  1.0  1.8  1.5       1.0
10Z: 1.0  1.0  1.0  1.2  1.5  1.0  1.0
11Z: 1.0  1.0  1.0       1.5       1.0
12Z:
13Z:
14Z:
15Z:
16Z:
17Z:
18Z:
19Z:
20Z:
21Z:
22Z:
23Z:


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

     MUR  SAL  TOM  DIX  ASH  KHA  MAG
     ---  ---  ---  ---  ---  ---  ---
00Z: 4.2       3.3  4.0  2.2  4.9  5.4
01Z: 5.0       5.2  5.2  2.2  4.4
02Z: 5.3       3.4       2.8  6.0
03Z:           3.4       6.1  7.2  3.7
04Z: 4.1       3.8  4.0  6.3  4.5
05Z: 4.3       2.6  3.8  4.6  3.1
06Z:                3.4  6.8       4.1
07Z:      3.5  4.0  3.4            4.1
08Z:           3.6            5.0  2.8
09Z: 3.8            3.4       4.6
10Z:                3.2  3.2  4.8  3.0
11Z: 4.3       3.3       5.0       2.0
12Z:
13Z:
14Z:
15Z:
16Z:
17Z:
18Z:
19Z:
20Z:
21Z:
22Z:
23Z:


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

      BOU  OTI  MAU  CAM  VBG  GOO  EIE  TAO  RES  CHU  KEA  RAM  ARG  MUR  SAL  TOM  DIX  ASH  KHA  MAG  WAR  UPS  POI
     ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----
00Z:  6.3      11.7  8.2  7.4  6.5  5.6  7.4   F       11.7  7.9  6.7  5.2  4.6  5.0  5.0  5.4  7.2  6.5  5.9  6.0  7.1
01Z:           12.4  7.3  7.1  4.7  5.5  8.3  5.8      12.4  5.1  6.9       4.9  5.3       5.3  7.2  6.4  5.6  5.8  6.7
02Z:           12.4  7.0  8.0  4.4  5.7  8.8  6.1      12.4  5.5   B        5.0  5.6       6.2  6.9  6.1  5.2  5.6  6.3
03Z:           12.4  7.9  8.2  4.7  6.0  8.3   F       12.4  5.7   A   5.2  5.5  5.7       8.0  6.8  6.2  5.6  5.7  5.8
04Z:           13.0  8.1  7.6  4.7  5.6  8.7   F       13.0  6.7  5.6  5.1  5.7  6.0  5.6  7.8  6.3  6.0  5.6  6.0  5.4
05Z:           12.1  8.5  7.5   A   5.2  9.5   F       12.1  6.9  5.5  5.3  6.0  6.2  5.5  7.6  7.0  6.1   A   6.4  6.1
06Z:           10.9  7.4  7.3  3.9  4.9   A            10.9  6.6  5.2  5.5  5.9  6.3  5.6  8.2  6.4  6.1  5.0       6.9
07Z:            9.8  5.9  6.1   A   5.2   A             9.8  5.6   B   5.6  5.9  6.0  5.6       6.2  6.0   A        7.0
08Z:           10.5  4.9  6.1  4.1  4.3  9.7           10.5  5.3   B   5.7  5.7  5.8  5.2       6.8  6.2
09Z:            9.0  3.6  5.6  4.3        A             9.0  5.0   A   5.8  5.6  5.8  5.9       6.7
10Z:            8.5  3.3  5.6  5.2  4.7 10.6            8.5  4.9  5.7  5.7  5.6  5.8  5.9  7.5  7.2  7.1
11Z:            8.5  3.6  5.6  5.5  4.9  7.8            8.5  6.4   B   5.6  5.5  5.8       7.2       6.2
12Z:       5.5  7.0  3.4  5.1  5.9  4.9  7.5            7.0  5.5   B
13Z:       5.5  5.7  3.6  5.1  5.9  5.2   R        5.7  5.7  5.7   B
14Z:       5.6  4.6  3.2  5.8  5.9  3.7  9.0       5.6  4.6  6.0   B
15Z:       6.4  4.5  3.1  5.5  6.3  5.2   I        6.1  4.5  6.4   A
16Z:       6.5  5.4  3.2  5.7  6.4  5.6   R        6.0  5.4  6.6   B
17Z:       6.7  5.7  3.4  5.6  6.3  5.6   R        6.4  5.7  6.9   B
18Z:       6.7       3.6   A   6.0  5.6  8.8       6.4       6.6   B
19Z:                 3.7  6.2  6.2  4.6  8.2       6.2       6.5   B
20Z:                 3.7  6.4  6.5  4.6  6.5       6.2       6.2   B
21Z:                 4.7  6.0  6.8  4.6   F        6.4       7.1  6.8
22Z:                 6.3  6.2  6.6  5.6  5.5   F             7.3  6.7
23Z:                 6.6  6.5  7.1  5.5        F             6.9   B
=========================================
Estimated Average Global foF2:  6.41 MHz.


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

      BOU  MAU  VBG  GOO  EIE  TAO  RES  CHU  KEA  RAM  ARG  MUR  SAL  TOM  DIX  ASH  KHA  MAG  UPS
     ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----
00Z: 19.2 31.6 21.5 18.2 14.0 23.7   F       31.6 23.7 21.4 13.5 13.3 14.0      15.1 21.6 18.9
01Z:      35.3 20.6 11.8 15.4 26.6 16.8      36.0 13.3 20.0      13.7 14.8      13.2 22.3 18.6 15.4
02Z:      36.6 23.2 12.3 16.0 25.5 17.7      37.2 18.7   B       13.5 16.8      16.1 18.6 17.7 15.1
03Z:      36.6 26.2 11.3 16.8 21.6   F       37.2 18.8   A  14.0 14.9 15.4      23.2 17.7 18.6 15.4
04Z:      40.3 25.8 12.2 15.7 22.6   F       40.3 18.1 16.8      15.4 16.8      20.3 17.0 16.8 17.4
05Z:      36.9 22.5   A  15.1 27.6   F       37.5 20.0 16.5 14.3 15.6 16.7      21.3 20.3 17.1
06Z:      32.7 24.8 10.5 13.7   A            32.7 19.1 14.6      15.3 20.2      22.1 19.2 18.3
07Z:      27.4 18.3   A  17.7   A            27.4 15.1   B       16.5 18.0           16.7 18.0
08Z:      29.4 17.7 10.7 12.9 28.1           29.4 13.8   B       17.1 16.8           19.7 18.6
09Z:      25.6 15.7 12.9        A            26.1 14.5   A  18.0 14.6 16.8 16.5      18.8
10Z:      23.0 16.8 16.1 12.2 33.9           23.0 15.7 18.2      15.7 16.8 15.3 21.8 20.2 21.3
11Z:      27.2 16.2 16.5 13.2 23.4           27.2 27.5   B   9.5 16.5 16.8      20.9      18.0
12Z:      21.0 14.8 17.7 13.2 22.5           21.0 20.4   B
13Z:      18.0 16.3 17.7 19.2   R       18.2 18.2 17.1   B
14Z:      12.9 18.6 18.9 11.5 23.4      16.8 12.9 18.6   B
15Z:      13.1 16.5 18.9 14.0   I       19.5 13.1 17.3   A
16Z:      16.7 16.0 18.6 15.7   R       16.8 16.7 19.1   B
17Z:      20.8 14.6 18.9 16.2   R       19.8 21.1 20.7   B
18Z:             A  17.4 14.6 26.4      19.2      19.1   B
19Z:           16.7 18.0 16.1 26.2      17.4      18.2   B
20Z:           16.6 18.9 16.1 23.4      18.0      17.4   B
21Z:           15.6 18.4 16.1   F       17.9      20.6 20.4
22Z:           16.7 19.1 14.0 16.5   F            21.2 20.1
23Z:           17.6 20.6 14.3        F            20.7   B
===============================================
Estimated Average Global MUF(3000)F2: 18.64 MHz.


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

      BOU  TAO  PAL  SHE  OSA  CNV  ANC
     ---- ---- ---- ---- ---- ---- ----
00Z:  280  270  470                 160
01Z:  290  300  530            300  150
02Z:  320  350  520                 150
03Z:  330       510            210  140
04Z:  290       520            200  140
05Z:  270       460            210  140
06Z:  240       380            210  140
07Z:  230       300            190  140
08Z:            270            140  140
09Z:            230  130       120  140
10Z:  210       210  130        97  140
11Z:            210  120        93  130
12Z:  190       170  130       140  120
13Z:  210       110  110       200  110
14Z:  250        81  100       240  110
15Z:  270        76  110       250  140
16Z:             80  110       270  180
17Z:  260       130            260  220
18Z:  270  160  170            250  240
19Z:  260  120  210            260  230
20Z:  260   93  280            260  220
21Z:  260  130  310            230  200
22Z:  260  160  350            230  180
23Z:  250                      230  170


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

BOU = Boulder CO                 USA                 (N40W105)
OTI = Ottawa                     Canada              (N45W076)
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)
RES = Resolute Bay               Canada              (N74W094)
CHU = Churchill                  Canada              (N58W094)
KEA = Keakawapu HI               USA                 (N20W156)
RAM = Ramey AFB                  Puerto Rico         (N18W067)
ARG = Argentia                   Canada              (N48W053)
MUR = Murmansk                   USSR                (N68E033)
SAL = Salekhard                  USSR                (N66E066)
TOM = Tomsk                      USSR                (N56E085)
DIX = Dixon                      USSR                (N74E081)
ASH = Ashkhabad                  USSR                (N37E058)
KHA = Khabarovsk                 USSR                (N48E135)
MAG = Magadan                    USSR                (N60E151)
JUL = Juliusruh/Rugen            Germany             (N54E013)
WAR = Warsaw                     Poland              (N52W021)
UPS = Uppsala                    Sweden              (N60E018)
POI = Poitiers                   France              (N46E000)
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.


