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From: oler@rho.uleth.ca (Cary Oler)
Message-Id: <9309040135.AA14556@rho.uleth.ca>
Subject: Daily Summary of Ionospheric Data for 29 August
To: solar-daily@lut.fi
Date: Fri, 3 Sep 93 19:35:54 MDT
X-Mailer: ELM [version 2.3 PL11]
Reply-To: SOLAR-DAILY Distribution List <solar-daily@lut.fi>
X-Sequence: 982
Status: RO

                    ---------------------------------------
                    DAILY IONOSPHERIC SUMMARY FOR 29 AUG 93
                    ---------------------------------------


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

DIX: Type of Measurement = Riometer.
     Type of Phenomenon  = Auroral Absorption.
     Start of Event: 0120Z
     Event Maximum : 0320Z,  Maximum Absorption: 1 dB
     End of Event  : 0900Z


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

     MUR  ASH  SAL  DIX  KHA  MAG  WLP  MAU  VBG  GOO  EIE  TAO  CHU  KEA  ARG  BER  NIC  DYS  LEA  BOU  JUL  UPS
     ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---
00Z:      2.5  3.1       3.1       3.1  3.0  3.3   A        3.3       3.0  3.3  3.4  2.9  3.3  3.3  3.7  2.9  2.7
01Z:           2.8       2.8       3.2  3.0  3.6  2.8       3.2       3.0  3.7  3.6   C   3.7  3.1  3.5       2.8
02Z:           2.9       3.0       2.7  3.0  3.1   A   3.0  3.0       3.0   B   3.0  3.0  3.3  3.1  3.6       2.7
03Z:      3.3  2.8       2.9       2.8  3.2  3.0  2.8       3.0       3.3   B   3.4       3.0  3.2  3.3       2.8
04Z:      3.0  2.9       2.8  3.3  2.8  3.5  3.4   A         A        3.5   B   3.5  3.0  2.9  3.1  3.1  3.3  3.0
05Z: 2.7  2.7  2.8                 2.8  3.4  3.0   A        2.8       3.4   B   3.2  3.1   B   3.3  3.2  3.2  3.2
06Z:      2.9  3.0       2.8  3.2  2.5  2.8  3.1   A        3.0       2.8   B   2.8   A   2.9  3.2  3.2  3.1
07Z:      2.6  2.8       3.0  3.2  2.6  2.5  3.4  2.6       2.9       2.6   B   2.9  3.0  2.9  3.4  3.1
08Z: 2.8       3.0       3.0  3.1  2.5  3.0  2.6   A        3.0       3.0   B   3.1  3.2  2.8  3.4  2.9  3.1
09Z: 2.8  3.0  2.9  2.8  3.1  3.0  2.8  2.8  3.4  3.0       3.2       2.8  3.5  3.1       3.0  3.5  2.9
10Z: 2.9       3.2  3.1  2.8  3.0  3.2  2.8  2.6  3.3       3.4       2.8  3.6  3.3  3.3  2.7  2.9  3.0
11Z: 2.9  3.0  3.2  2.9  2.9  3.0  3.4  2.8  2.4  3.8       3.4       2.9  3.2  3.1  3.3  2.8  3.1  3.0
12Z: 3.0  3.0  3.1       2.9  3.1  3.3  3.2  2.8  3.3       3.0       3.2  3.4  3.3  3.2  3.2  2.8  3.1
13Z: 2.8                 3.0  2.9  3.5  3.7  2.3  3.0       2.9   F   3.7  2.7  3.6  3.1  3.3  3.1  3.5
14Z: 3.1  3.1  3.2       2.8       3.2  3.5  3.1  3.2       2.9   R   3.5  3.1  3.3  3.3  3.0  2.9
15Z: 3.4  3.1  3.2       2.7       3.0  3.8  3.3  3.3       3.0  3.1  3.8  2.9  3.3  3.1  3.3  2.9
16Z: 3.1  3.1  3.1       2.7       3.1  3.0  3.7  3.2        B   3.2  3.0  3.1  3.2  3.2   A   3.1
17Z: 3.1  2.8  2.9                 3.1  3.0   A   3.2       3.1  3.1  3.0  3.3  3.0  3.6   A   3.4
18Z: 3.1  2.9  3.1       2.6       3.0        A   3.1       3.2  3.1        A   3.1  3.4  2.7  3.1
19Z: 3.1  2.8  3.0       2.6  3.4  3.0        A   3.1       3.3  3.2       3.1  3.1  2.9  2.9  3.3
20Z: 3.0  2.7  3.0       2.8  3.4  3.0       2.2  3.1       3.1            3.1  3.4  3.0  3.1  3.1
21Z: 3.0  2.6  3.0       3.2  3.4  3.2       2.4  3.1       3.1            3.2  3.4  3.0  3.4  2.9
22Z: 2.5  2.9  2.7       3.2  3.4  3.2       2.9  3.0       3.6            3.4  3.9  3.0  3.3  3.1
23Z: 2.6       2.9       3.5  3.5  3.1       2.9  3.0       3.6            3.1  3.8  3.3  3.3  3.4
=========================================
Estimated Average Global M(3000)F2:  3.08.


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

     MUR  ASH  SAL  DIX  KHA  MAG
     ---  ---  ---  ---  ---  ---
00Z: 1.0  1.5  1.0  1.4  1.3  1.1
01Z: 1.3       1.0  1.4  1.3
02Z: 1.0       1.8  1.6  1.5
03Z:      1.6  3.2       1.4
04Z:      1.4  1.5       1.3  1.1
05Z: 1.0  1.5  1.0       1.3
06Z: 2.8  1.5  1.0  3.9  1.4  1.1
07Z: 2.0  2.0  1.0  2.7  1.3  1.2
08Z: 1.0  2.1  1.0  2.6  1.0  1.1
09Z: 3.0  1.6  1.0  1.6  1.3  1.4
10Z: 3.0       3.2  2.4  1.4  1.4
11Z: 1.0  1.4  1.7  1.4  1.2  1.6
12Z: 1.0  1.2  1.0  1.3  1.2  1.5
13Z: 1.0                 1.3  1.4
14Z: 2.9  2.0  1.0       1.3
15Z: 1.0  2.0  1.6       1.2
16Z: 3.0  1.8  1.0       1.3  1.4
17Z: 1.3  1.9  1.0            1.6
18Z: 1.0  2.0  1.0       1.2  1.6
19Z: 1.0  1.4  1.0       1.2  1.4
20Z: 1.0  1.5  1.0       1.4  1.2
21Z: 1.5  1.2  1.0       1.2  1.1
22Z: 1.0  1.2  1.0       1.2  1.2
23Z: 1.0       1.0       1.1  1.5


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

     MUR  ASH  SAL  DIX  KHA  MAG
     ---  ---  ---  ---  ---  ---
00Z: 4.3            5.0  5.2  3.1
01Z: 4.0            4.4  3.3
02Z: 5.0            3.0  3.5
03Z:      3.2            4.0
04Z:      4.8            5.5  2.9
05Z:      3.7            6.5
06Z:      3.7            3.5  4.0
07Z:      4.1            3.2  4.2
08Z:      9.0            3.2  2.1
09Z:      8.2            3.9  2.5
10Z:                     5.8  2.6
11Z:      3.8            5.7
12Z:      3.8       2.8  6.0
13Z: 3.4                 5.6
14Z:      4.4            3.3
15Z: 4.5  2.7            3.7
16Z:      4.0  2.6       3.2
17Z: 3.2  3.8  5.0            4.1
18Z:      3.4  5.0       2.9  2.6
19Z:      3.2  2.0            2.3
20Z: 2.8  4.4  2.0       3.0  3.7
21Z:      2.1  2.0       3.6  4.2
22Z: 3.8  2.4  2.0       3.3  3.0
23Z: 4.3       2.0       3.1  3.2


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

      MUR  ASH  SAL  DIX  KHA  MAG  WLP  MAU  VBG  GOO  EIE  TAO  CHU  KEA  ARG  BER  NIC  DYS  LEA  BOU  MNZ  BEI  CHQ  GUO  JUL  UPS  POI
     ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----
00Z:       4.0  3.4       5.2  4.7  7.7 12.0  7.8   A        5.7      12.0  5.6  5.6  4.2  9.0  6.5  7.2            5.8  6.6  2.4  2.1  3.6
01Z:            3.6       5.7       6.9 11.7  7.9  3.3       6.2      11.7  2.4  4.9   C   7.2  7.1  7.0       5.5  4.3  7.0   A   2.6  3.4
02Z:            4.0  4.2  5.9       4.4 12.1  7.9   A   4.9  7.2      12.1   B   5.3  3.5  5.7  8.8  5.8  5.3  5.8  5.3  7.5   A   3.0  3.4
03Z:       7.9  4.4       6.5       3.7 13.5  7.1  2.7       8.9      13.5   B   4.4       4.3  8.8  5.2  6.0  6.4  5.2  9.0   A   2.2  3.3
04Z:       5.4  5.2       6.2  5.3  3.5 12.6  6.2   A         A       12.6   B   4.1  3.9  3.5  8.8  4.2  5.8  6.5  7.1  9.6  2.8  3.2  3.1
05Z:  4.3  5.3  5.3                 2.8  8.4  6.0   A        9.0       8.4   B   4.3  5.2   B   8.3  3.5  6.0  6.4  8.9 11.3  4.4  4.0  3.1
06Z:  4.6  5.5  5.4       5.8  5.2  2.9  6.8  4.3   A       10.0       6.8   B   3.7   A   3.1  7.8  2.9  6.0  6.5 10.0 12.1  4.5  4.5  4.4
07Z:  4.8  5.9  5.3  5.0  6.2  5.1  2.5  6.5  3.8  2.7       9.3       6.5   B   3.3  5.7  3.2  7.8  2.8  6.2  6.7 10.3 11.5   A   4.6  5.3
08Z:  5.2       5.3  4.9  6.0  5.2  2.5  6.5  3.0   A        9.8       6.5   B   2.7  6.9  3.0  7.1  2.7  5.5  6.8 11.9 13.3  5.1  4.9  5.0
09Z:  5.2       5.3  5.2  6.0  5.6  2.3  6.5  3.2  3.9      11.8       6.5  4.4  2.9       2.7  5.8  2.7  6.0  6.2 12.3 14.7  5.2  5.1  5.6
10Z:  5.5       5.5  5.3  6.4  6.4  3.0  6.5  3.7  4.9      11.0       6.5  5.2  4.6  7.4  3.0  4.0  2.6  5.3  6.3 11.2 14.3  5.0  5.3  5.1
11Z:  5.3  6.4  5.0  4.3  6.8  5.9  4.1  6.5  4.2  5.2       8.6       6.5  6.0  5.4  6.4  2.8  4.1  2.9  6.5  6.7 10.0 12.0   A   4.9  5.9
12Z:  5.3  6.4  5.0       7.0  5.1  5.0  7.2  3.6  5.8       6.8       7.2  6.3  6.7  6.9  3.4  3.7  2.9  6.4  6.9  8.5 11.0  5.0  5.0  5.0
13Z:  4.8                 7.1  2.7  6.0  7.0  6.0  5.7       6.3   F   7.0  6.0  7.4  6.7  4.0  3.8  3.7  6.7  6.0  6.3  8.6  5.2  5.1  5.2
14Z:  4.8  6.8  4.8       6.3       6.4  5.3  6.4  6.6       5.9   R   5.3  6.5  6.2  6.8  4.6  4.2  4.1  6.0  6.0  6.0  8.8  5.0  4.8  5.0
15Z:  4.4  6.9  4.7       6.0       6.6  3.1  6.4  6.6       6.0  6.0  3.1  7.8  6.9  6.1  4.7  3.8  5.1  5.2  5.2  5.5  8.6  5.0  4.8  5.2
16Z:  4.7  6.4  3.9       5.5       6.4  3.2  4.6  6.6        B   6.3  3.2  6.9  6.3  7.7   A   3.8  5.3  4.9  5.6  5.9  8.0  4.7  4.9  5.2
17Z:  4.7  5.4  3.8                 6.6  5.4   A   6.3       5.8  6.3  5.4  6.7  6.7  8.0   A   4.0  4.6  4.0  4.8  5.7  8.8   A   4.7  5.2
18Z:  4.3  4.6  3.4       4.0       6.3  6.9   A   6.3       6.3  6.3        A   6.7  5.0  5.5  4.1   C   3.6  4.7  5.6  8.8  5.4  5.1  5.5
19Z:  4.0  4.4  2.7       3.8  4.1  6.4  8.7   A   6.4       5.3  6.4       6.5  6.9  4.6  6.0  3.1   C   3.5  4.4  4.8  8.0  5.2       6.6
20Z:  3.5  4.6  2.1       4.0  4.7  6.7  9.5  7.6  6.5       4.2            6.7  7.1  4.1  6.4  3.1  5.3  3.5  4.2  4.1  5.4  5.4  5.7  5.9
21Z:  3.3  4.2  2.0       4.4  5.9  7.0 10.0  6.4  6.4       3.8            6.9  7.7  4.1  6.6  3.3   C   3.8  3.6  3.9  3.8  4.8  4.9  5.3
22Z:  3.0  4.1  1.9       5.1  5.6  6.8 10.5  5.7  6.5       5.4            6.5  5.9  4.1  7.1  6.2  5.7  4.2  4.2  3.6  4.6  4.1
23Z:  3.2       2.3       4.8  5.7  7.4 10.7  5.8  6.3       5.9            7.4  4.7  3.7  6.9  6.0  5.5  4.6  4.8  5.6  6.4  3.6  2.9  3.8
=========================================
Estimated Average Global foF2:  5.73 MHz.


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

      MUR  ASH  SAL  DIX  KHA  MAG  WLP  MAU  VBG  GOO  EIE  TAO  CHU  KEA  ARG  BER  NIC  DYS  LEA  BOU  JUL  UPS
     ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----
00Z:      10.0 10.5      16.1      23.9 36.0 25.7   A       18.8      36.0 18.5 19.0 12.2 29.7 21.4 26.6  7.0  5.7
01Z:           10.1      16.0      22.1 34.5 28.4  9.2      19.8      35.1  8.9 17.6   C  26.6 22.0 24.6   A   7.3
02Z:           11.6      17.7      11.9 36.3 24.5   A  14.7 21.6      36.3   B  15.9 10.5 18.8 27.3 21.0   A   8.1
03Z:      26.1 12.3      18.9      10.4 43.9 21.3  7.6      26.7      44.5   B  15.0      12.9 28.2 17.2   A   6.3
04Z:      16.2 15.1      17.4 17.5  9.8 44.1 21.1   A         A       44.1   B  14.3 11.7 10.2 27.3 13.1  9.2  9.4
05Z: 11.6 14.3 14.8                 7.8 28.6 18.0   A       25.2      28.6   B  13.8 16.1   B  27.4 11.4 14.1 12.6
06Z:      16.0 16.2      16.2 16.6  7.2 18.7 13.3   A       30.0      19.0   B  10.4   A   9.0 25.0  9.3 13.9
07Z:      15.3 14.8      18.6 16.3  6.5 16.6 12.9  7.0      27.0      16.9   B   9.6 17.1  9.3 26.5  8.7   A
08Z: 14.6      15.9      18.0 16.1  6.2 19.2  7.8   A       29.4      19.5   B   8.4 22.1  8.4 24.1  7.9 15.8
09Z: 14.6      15.4 14.6 18.6 16.8  6.4 17.9 10.9 11.7      37.8      18.2 15.4  9.0       8.1 20.3  7.9
10Z: 16.0      17.6 16.4 17.9 19.2  9.6 17.9  9.6 16.2      37.4      18.2 18.7 15.2 24.4  8.1 11.6  7.7
11Z: 15.4 19.2 16.0 12.5 19.7 17.7 13.9 18.5 10.1 19.8      29.2      18.9 19.2 16.7 21.1  7.8 12.7  8.7   A
12Z: 15.9 19.2 15.5      20.3 15.8 16.5 22.7 10.1 19.1      20.4      23.0 21.4 22.1 22.1 10.9 10.4  9.0
13Z: 13.4                21.3  7.8 21.0 25.6 13.8 17.1      18.3   F  25.9 16.2 26.6 20.8 13.2 11.8 12.8
14Z: 14.9 21.1 15.4      17.6      20.5 18.6 19.8 21.1      17.1   R  18.6 20.1 20.5 22.4 13.8 12.2
15Z: 15.0 21.4 15.0      16.2      19.8 11.8 21.1 21.8      18.0 18.6 11.8 22.6 22.8 18.9 15.5 11.0
16Z: 14.6 19.8 12.1      14.9      19.8  9.6 17.0 21.1        B  20.2  9.6 21.4 20.2 24.6   A  11.8
17Z: 14.6 15.1 11.0                20.5 16.2   A  20.2      18.0 19.5 16.2 22.1 20.1 28.8   A  13.6        A
18Z: 13.3 13.3 10.5      10.4      18.9        A  19.5      20.2 19.5        A  20.8 17.0 14.9 12.7   C
19Z: 12.4 12.3  8.1       9.9 13.9 19.2        A  19.8      17.5 20.5      20.1 21.4 13.3 17.4 10.2   C
20Z: 10.5 12.4  6.3      11.2 16.0 20.1      16.7 20.1      13.0           20.8 24.1 12.3 19.8  9.6
21Z:  9.9 10.9  6.0      14.1 20.1 22.4      15.4 19.8      11.8           22.1 26.2 12.3 22.4  9.6   C
22Z:  7.5 11.9  5.1      16.3 19.0 21.8      16.5 19.5      19.4           22.1 23.0 12.3 23.4 19.2
23Z:  8.3       6.7      16.8 19.9 22.9      16.8 18.9      21.2           22.9 17.9 12.2 22.8 20.4
===============================================
Estimated Average Global MUF(3000)F2: 17.66 MHz.


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

      TAO  ANC  CNV  PAL  BOU  SHE  OSA
     ---- ---- ---- ---- ---- ---- ----
00Z:  210   45  270  440  160
01Z:  260   50  210  460  130
02Z:  310   52  140  470   95
03Z:  420   54   90  490   67
04Z:  430   47   72  420   39
05Z:  470   26   57  290
06Z:  510   21   56  190
07Z:  550  6.5   48  150  4.0
08Z:  560   27   48  140   43
09Z:        21       150   43
10Z:  580   19       150   40
11Z:  410   18       150
12Z:       6.3  110  140   37
13Z:  150   32  130  110
14Z:  140   27  150   58   76
15Z:  140   46  160   37  100
16Z:  130   85  190   34  110
17Z:  100  120  210   87  110
18Z:  110  130  230  150
19Z:  110  140  230  230  120
20Z:  120  140  240  310
21Z:  120  120  270  370
22Z:  140  130  280  400  140
23Z:  220  120  240  420  130


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

MUR = Murmansk                   USSR                (N68E033)
ASH = Ashkhabad                  USSR                (N37E058)
SAL = Salekhard                  USSR                (N66E066)
DIX = Dixon                      USSR                (N74E081)
KHA = Khabarovsk                 USSR                (N48E135)
MAG = Magadan                    USSR                (N60E151)
WLP = Wallops Island VA          USA                 (N37W075)
MAU = Maui HI                    USA                 (N20W157)
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)
ARG = Argentia                   Canada              (N48W053)
BER = Bermuda                    Bermuda             (N32W064)
NIC = Nicosia                    Cyprus              (N35E033)
DYS = Dyess AFB TX               USA                 (N32W099)
LEA = Learmonth                  Australia           (S21E115)
ANC = Anchorage AK               USA                 (N61W150) (GOES-3)
CNV = Cape Canaveral FL          USA                 (N28W080) (GOES-2)
PAL = Palehua HI                 USA                 (N21W158) (GOES-3)
BOU = Boulder CO                 USA                 (N40W105) (GOES-2)
SHE = Shemya AK                  USA                 (N52E174)
OSA = Osan AB                    Korea               (N37E127)
MNZ = Manzhouli                  China               (N49E117)
BEI = Beijing                    China               (N40E116)
CHQ = Chongqing                  China               (N29E106)
GUO = Guangzhou                  China               (N23E113)
JUL = Juliusruh/Rugen            Germany             (N54E013)
UPS = Uppsala                    Sweden              (N60E018)
POI = Poitiers                   France              (N46E000)


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.


