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From: oler@rho.uleth.ca (Cary Oler)
Message-Id: <9309040109.AA12703@rho.uleth.ca>
Subject: Daily Summary of Ionospheric Data for 28 August
To: solar-daily@lut.fi
Date: Fri, 3 Sep 93 19:09:30 MDT
X-Mailer: ELM [version 2.3 PL11]
Reply-To: SOLAR-DAILY Distribution List <solar-daily@lut.fi>
X-Sequence: 979
Status: RO

                    ---------------------------------------
                    DAILY IONOSPHERIC SUMMARY FOR 28 AUG 93
                    ---------------------------------------


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

KRE: Type of Measurement = Riometer.
     Type of Phenomenon  = Auroral Absorption.
     Start of Event: 1830Z
     Event Maximum : 1835Z,  Maximum Absorption: 1 dB
     End of Event  : 1900Z


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

     DIX  MAG  WLP  MUR  ASH  SAL  KHA  MAU  VBG  GOO  EIE  TAO  CHU  KEA  ARG  BER  NIC  DYS  LEA  JUL  UPS
     ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---  ---
00Z: 2.4       2.9                      3.0  3.1  2.7       3.2       3.0   B   3.7  3.1  3.0  3.2  2.8
01Z:           2.9                      3.0  3.3   A   2.8  3.0       3.1   B   3.4  3.0  3.0  3.1  2.8
02Z:           3.1                      2.9  3.2   A   2.6   A        2.9   B   3.4  3.0  3.2  3.2  2.9  2.8
03Z:           3.2                      2.8  2.9  3.4  3.0   A        2.8   B   2.9  3.2  3.2  3.0  2.8  3.2
04Z:           3.0                      3.1  3.2  2.8  2.9  3.0       3.1   B   3.2  3.2  3.1  3.0  3.1  3.1
05Z:           2.7                      3.2  2.4  2.6  3.0  3.0       3.3   B   3.1  3.5  3.1  3.1       2.8
06Z:           2.9  3.2  3.2       2.8  3.1  2.3  2.3  2.7  3.0       3.1   B   2.7  3.2  3.0  3.2  3.0
07Z:      2.9  2.7       3.2  2.8  2.7  3.2  3.0   B   2.8  3.2       3.3   B   2.9  3.4  3.1  3.4  3.2
08Z:      3.0  2.8       3.0            2.3  3.0  2.6  3.3  3.1       2.4   B   3.0  3.4  3.0  3.5  3.3
09Z:      3.1  2.6       3.4  3.0       2.7  2.9  3.2       3.2       2.7   B   3.3  3.2  2.8  3.5
10Z: 2.8  3.0  3.1       3.2  2.8  3.0  2.8  3.0  3.0        A        2.8  3.0  3.5  3.4  3.1  3.4
11Z: 2.8  3.1  3.1       3.1  3.1  2.7  2.7  2.8  3.0       3.2       2.7  2.9  3.6  3.3  3.1  3.1
12Z: 2.9  3.2  2.9  3.1  3.1  3.1  2.7  2.9  3.0  2.9       3.0       2.9  3.0  3.5  3.1  3.0  3.3
13Z: 2.8  3.0  3.2  3.1  3.1  3.0  2.9  2.9  3.3  2.6        C    R   2.9   A   3.2  3.2  3.3   A
14Z:           3.1  2.9  3.0  3.1  2.6  3.1  3.3  3.0       2.6       3.1  3.3  3.0  3.2  3.1  3.0
15Z:      2.7  3.2  3.1  3.0  3.1  2.6  3.0  3.2  2.9       2.9  2.7  3.1  3.3  3.3  3.1  3.2  2.9
16Z:           3.2  3.1  3.0  3.1  2.8  3.5  2.9  3.2       2.7  2.5  3.6  2.8  3.3  3.0  3.1  3.2
17Z: 2.6  2.7  2.9  3.1       2.7       3.3  2.9  3.0        F   3.0  3.3  3.2  3.1  3.4  3.1  2.9
18Z:      2.8  3.1            2.7  2.7       3.0  3.1       3.4  2.8       3.2  3.0  3.5  3.0  3.2
19Z:      3.2  3.0       2.8  2.8  2.8       3.0  2.9       3.0  2.7       2.9  3.0  3.1  3.0  3.2
20Z:      3.3  3.1       2.5  2.7  3.1       3.0  2.8       3.0  2.8       2.9  3.1  3.0  3.0  3.1
21Z:      3.4  3.0       2.6  2.7  3.2       3.1  2.9       3.5  .90       3.1  3.4  2.8  3.0  2.8
22Z:           3.0       2.7  3.0            3.6  3.0       3.6            3.2  3.3  3.0  3.3  3.5
23Z:      3.3  3.0            2.7  3.1       3.4  3.0       3.4            3.3  3.9  3.1  3.6  3.3
=========================================
Estimated Average Global M(3000)F2:  3.03.


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

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


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

     DIX  MAG  MUR  ASH  SAL  KHA
     ---  ---  ---  ---  ---  ---
00Z: 3.0  2.7
01Z:
02Z:
03Z:
04Z:
05Z:                          5.7
06Z:                4.8       6.0
07Z:           3.6   12       6.3
08Z:      2.6  4.4   11       9.0
09Z:      2.5       5.4       7.8
10Z:      2.1       5.2       4.9
11Z:      2.7       4.7
12Z: 2.6  2.4       3.8
13Z: 5.3  2.1       3.0       1.9
14Z: 4.6            3.9       5.3
15Z: 3.4            4.0       5.0
16Z: 4.1       2.6   14       7.2
17Z: 2.0  2.2  2.8   15
18Z: 6.0  2.2            3.0  4.4
19Z:      2.1       4.6  3.8  3.2
20Z: 2.4  2.3  4.0  4.0  2.2  3.0
21Z: 4.4  2.4  4.9  4.2  3.2  5.0
22Z:      3.1  5.0  2.3  4.0  5.8
23Z:      2.9  5.0       2.5  3.6


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

      DIX  MAG  WLP  MUR  ASH  SAL  KHA  MAU  VBG  GOO  EIE  TAO  CHU  KEA  ARG  BER  NIC  DYS  LEA  BOU  JUL  UPS  POI
     ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----
00Z:  3.8       6.3                      7.8  6.4  3.1       5.9       7.8   B   5.5  7.2  6.4  7.4  6.1            5.8
01Z:            5.5                      7.3  6.4   A   4.5  6.3       7.3   B   4.4  6.0  6.3  8.5  6.5            5.4
02Z:            3.2                      6.9  9.7   A   4.6   A        6.9   B   4.9  4.8  6.3  8.7  7.1       2.3  4.6
03Z:            4.5                      8.8  7.4  2.7  4.5   A        8.8   B   5.5  4.6  5.9  9.0  7.5       2.0  4.1
04Z:            3.6                     10.2  7.2  2.8  4.3  6.9      10.2   B   4.9  5.3  5.4  8.3  7.0       3.1  3.0
05Z:            2.6                      8.6  5.5  2.8  4.4  7.6       8.6   B   4.9  7.1  4.5  8.7  5.5       3.8  2.7
06Z:            2.5  4.2  9.8       4.8  7.1  6.5  2.7  3.9  8.9       7.1   B   4.0  7.0  4.0  8.5  4.1       4.2  3.9
07Z:  4.2  4.4  2.5  4.8  8.1  4.9  5.1  5.4  5.7   B   3.2  9.7       5.4   B   3.9  7.5  3.8  8.0  3.5       4.5  4.9
08Z:  4.3  4.3  2.5  4.8  8.6  4.9       5.2  6.1  2.1  5.4 10.0       5.2   B   3.7  7.9  4.0  6.5  3.6       4.7  5.0
09Z:  4.4  4.4  2.6  4.8  7.4  4.8       4.4  6.5  2.9       9.3       4.4   B   3.5  7.3  4.0  5.6  3.4  4.8  4.7  5.2
10Z:  4.6  4.5  5.7       6.8  4.9  5.0  4.2  6.9  4.0        A        4.2  4.1  5.2  7.2  4.0  4.7  3.4  5.0  4.9  5.4
11Z:  4.4  4.5  4.8  4.8  6.7  4.9  5.7  4.5  6.6  4.4       7.2       4.5  4.7  6.1  7.1  4.0  3.8  3.4  5.2  5.0  5.5
12Z:  4.3  3.9  6.9  4.6  6.7  5.0  5.7  4.2  4.9  4.9       5.5       4.2  5.2  6.6  6.8  4.9  3.0  3.5  5.2  5.0  5.1
13Z:  4.2  5.3  6.4  4.4  7.0  4.8  5.5  3.6  4.9  4.8        C    R   3.6   A   6.5  7.1  6.2   A   4.2  5.6  5.0  6.1
14Z:            6.9  4.9  7.0  4.9  4.8  3.7  7.6  5.4       4.5  4.1  3.7  5.7  7.4  7.6  8.0  3.5  5.3  5.7  5.6  5.9
15Z:  3.7  2.7  6.8  4.8  8.1  4.7  4.8  3.6  8.0  5.5       4.0  4.5  3.6  4.9  8.1  7.9  7.7  3.7  5.8  5.6  5.3  6.3
16Z:            6.9  4.5  8.7  4.6  4.7  4.0  8.1  5.0       4.0  4.6  4.0  5.4  7.1  8.8  7.5  3.8   C   5.6  5.4  6.0
17Z:  4.8  2.5  7.0  4.2       3.7       5.1  8.3  5.4        F   5.3  5.1  5.7  6.4 10.7  7.1  3.9  6.4  5.8  5.1  6.2
18Z:       2.5  6.6            3.1  4.4  5.5  7.9  5.6       4.6  5.3       4.7  7.1  8.4  8.0  3.3  6.9  6.5  5.7  6.5
19Z:       3.3  6.9       6.0  3.2  4.3  6.1  8.3  5.5       3.5  5.1       5.7  7.0  5.8  8.4  3.0  7.3  6.7       7.5
20Z:       4.3  7.4       6.0  3.9  4.3  7.6  8.8  5.6       3.6  5.6       5.7  7.4  5.7  9.2  2.7  7.4  6.2  5.0  7.2
21Z:       4.6  7.2       5.8  3.9  5.3  9.4 10.1  6.2       3.1  5.6       6.4  7.0  5.6  9.3  2.8   C   4.5       5.7
22Z:            7.5       5.5  3.3      10.7  9.3  5.6       4.2            6.6  8.5  5.2  9.6  4.5   C    A        5.6
23Z:       4.7  7.9            3.9  5.2 11.7  9.2  5.0       5.0            6.3  5.5  4.8  9.2  6.0   C   2.4  3.1  3.9
=========================================
Estimated Average Global foF2:  5.58 MHz.


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

      DIX  MAG  WLP  MUR  ASH  SAL  KHA  MAU  VBG  GOO  EIE  TAO  CHU  KEA  ARG  BER  NIC  DYS  LEA  JUL  UPS
     ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----
00Z:  9.1      18.3                     23.4 19.8  8.4      18.9      23.4   B  20.4 22.3 19.2 23.7
01Z:           16.0                     22.3 21.1   A  12.6 18.9      22.6   B  15.0 18.0 18.9 26.3
02Z:            9.9                     20.0 31.0   A  12.0   A       20.0   B  16.7 14.4 20.2 27.8       6.4
03Z:           14.4                     24.2 21.5  9.2 13.5   A       24.6   B  16.0 14.7 18.9 27.0       6.3
04Z:           10.8                     31.6 23.0  7.8 12.5 20.7      31.6   B  15.7 17.0 16.7 24.9       9.6
05Z:            7.0                     28.0 13.2  7.3 13.2 22.8      28.4   B  15.2 24.9 13.9 27.0      10.8
06Z:            7.2 13.4 31.4    


