From solar-daily-request@lut.fi Sun Aug 22 08:51:53 1993
Received: from lut.fi by cs.tut.fi with SMTP id AA21243
  (5.65c/IDA-1.4.4 for <rko@cs.tut.fi>); Sun, 22 Aug 1993 08:51:52 +0300
Received: by lut.fi with TULP
	(5.65c/IDA-1.4.4/Kim-2.2) id AA06249; Sun, 22 Aug 1993 08:51:08 +0300
Received: from rho.uleth.ca by lut.fi with SMTP
 (5.65c/IDA-1.4.4/Kim-2.2) id AA06229; Sun, 22 Aug 1993 08:50:15 +0300
Return-Path: <oler@rho.uleth.ca>
Received: by rho.uleth.ca (5.57/Ultrix3.0-C)
 id AA20178; Sat, 21 Aug 93 23:49:58 -0600
From: oler@rho.uleth.ca (Cary Oler)
Message-Id: <9308220549.AA20178@rho.uleth.ca>
Subject: Daily Summary of Ionospheric Data for 21 August
To: solar-daily@lut.fi
Date: Sat, 21 Aug 93 23:49:55 MDT
X-Mailer: ELM [version 2.3 PL11]
Reply-To: SOLAR-DAILY Distribution List <solar-daily@lut.fi>
X-Sequence: 964
Status: OR

                    ---------------------------------------
                    DAILY IONOSPHERIC SUMMARY FOR 21 AUG 93
                    ---------------------------------------


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

     GOO  EIE  TAO  RES  CHU  KEA  ARG  DYS  LEA
     ---  ---  ---  ---  ---  ---  ---  ---  ---
00Z:           3.4            2.8
01Z:           3.4            3.0
02Z:           3.0            3.0
03Z:            A             3.2
04Z: 2.8  3.0   A    F        3.4   B   3.0  3.3
05Z: 3.4  3.1  2.8  3.1       3.6   B   3.0  3.2
06Z: 3.9  2.8  2.9             A    B   3.0  3.4
07Z: 2.9  2.6  3.1            2.9   B   3.1  3.2
08Z: 3.2  2.9  3.2            2.9   A        3.4
09Z: 3.2   A   3.2             A   3.5  2.8  3.3
10Z: 3.4  3.1  3.3            3.1  3.4  2.9  3.7
11Z: 3.2  3.0  3.4            3.3  3.2  2.6  3.4
12Z: 3.1  2.4  3.6            3.4  3.5  3.5  2.8
13Z: 3.5   A   3.6        G   3.4  3.3  3.4  3.2
14Z: 3.2   A   3.3        G   3.6  3.0  3.2  3.0
15Z: 3.0  2.6  3.3        B   2.7  2.8  3.1  3.4
16Z: 2.8  2.7  3.0       3.0  3.2  3.0  2.9  3.0
17Z: 3.1  2.6  3.1       3.1  3.5  3.0  2.9  3.0
18Z: 3.0  2.8  2.9       3.0       3.0  3.0  3.1
19Z: 3.1  3.0  2.9       3.0       3.1  3.1  3.1
20Z: 3.2  3.1   F    F             3.1  3.1  2.7
21Z: 3.1  3.0   F        3.0       3.2  3.1  3.4
22Z: 3.3  3.4  3.8                 3.2  3.0
23Z: 3.0  2.8  3.8  3.0            3.1  3.2  3.6
=========================================
Estimated Average Global M(3000)F2:  3.13.


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

NO FMIN DATA PRESENTLY AVAILABLE


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

NO CRITICAL SPORADIC E-LAYER DATA PRESENTLY AVAILABLE


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

      GOO  EIE  TAO  RES  CHU  KEA  ARG  DYS  LEA
     ---- ---- ---- ---- ---- ---- ---- ---- ----
00Z:            6.3            9.8
01Z:            5.5           10.2
02Z:            5.5           10.1
03Z:             A            10.8
04Z:  2.9  5.1   A    F       10.5   B   4.4  7.0
05Z:  4.1  5.1  9.0  5.0       8.8   B   4.2  7.2
06Z:  2.6  3.9 10.6             A    B   4.2  7.3
07Z:  2.7  3.0 12.4            8.0   B   3.7  7.1
08Z:  3.2  4.0 13.6            6.1   A        6.7
09Z:  3.9   A  13.6             A   4.3  3.8  6.9
10Z:  4.5  3.9 12.3            5.0  4.6  3.6  5.6
11Z:  5.0  4.0 12.7            5.3  5.2  3.9  4.6
12Z:  5.4  3.9 12.6            5.0  5.3  4.7  3.1
13Z:  5.8   A   8.7        G   4.0  5.2  5.9  3.1
14Z:  5.5   A   4.6        G   3.7  5.5  6.6  3.4
15Z:  5.8  4.4  3.6        B   2.9  5.4  6.5  3.4
16Z:  6.0  4.6  3.9       5.7  3.6  6.2  6.7  3.5
17Z:  6.1  5.1  3.9       5.9  5.8  6.2  7.5  3.4
18Z:  6.1  5.4  3.8       6.1       6.3  7.8  3.4
19Z:  6.0  5.1  3.5       5.9       6.3  7.6  3.6
20Z:  6.1  5.4   F    F             6.4  7.4  3.5
21Z:  6.2  5.1   F        5.8       5.9  6.9  3.4
22Z:  5.8  5.1  5.9                 6.0  6.5
23Z:  6.1  5.4  7.1  5.1            5.7  7.0  6.1
=========================================
Estimated Average Global foF2:  5.81 MHz.


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

      GOO  EIE  TAO  RES  CHU  KEA  ARG  DYS  LEA
     ---- ---- ---- ---- ---- ---- ---- ---- ----
00Z:           21.4           27.4
01Z:           18.7           30.6
02Z:           16.5           30.3
03Z:             A            34.6
04Z:  8.1 15.3   A    F       35.7   B  13.2 23.1
05Z: 13.9 15.8 25.2 15.5      31.7   B  12.6 23.0
06Z: 10.1 10.9 30.7             A    B  12.6 24.8
07Z:  7.8  7.8 38.4           23.2   B  11.5 22.7
08Z: 10.2 11.6 43.5           17.7   A       22.8
09Z: 12.5   A  43.5             A  15.1 10.6 22.8
10Z: 15.3 12.1 40.6           15.5 15.6 10.4 20.7
11Z: 16.0 12.0 43.2           17.5 16.6 10.1 15.6
12Z: 16.7  9.4 45.4           17.0 18.6 16.4  8.7
13Z: 20.3   A  31.3        G  13.6 17.2 20.1  9.9
14Z: 17.6   A  15.2        G  13.3 16.5 21.1 10.2
15Z: 17.4 11.4 11.9        B   7.8 15.1 20.1 11.6
16Z: 16.8 12.4 11.7      17.1 11.5 18.6 19.4 10.5
17Z: 18.9 13.3 12.1      18.3 20.3 18.6 21.8 10.2
18Z: 18.3 15.1 11.0      18.3      18.9 23.4 10.5
19Z: 18.6 15.3 10.2      17.7      19.5 23.6 11.2
20Z: 19.5 16.7   F    F            19.8 22.9  9.4
21Z: 19.2 15.3   F       17.4      18.9 21.4 11.6
22Z: 19.1 17.3 22.4                19.2 19.5
23Z: 18.3 15.1 27.0 15.3           17.7 22.4 22.0
===============================================
Estimated Average Global MUF(3000)F2: 18.16 MHz.


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

      TAO  ANC  CNV  PAL  BOU  SHE  OSA
     ---- ---- ---- ---- ---- ---- ----
00Z:                       31
01Z:                       23
02Z:                       20
03Z:  220                  35
04Z:  300                 2.3
05Z:  370   96  120  190   34
06Z:  470   95  110  130   28
07Z:  540   96  110   98   30
08Z:  500   84  100   88   28
09Z:  430   69        81   25
10Z:  390   71        73   14
11Z:  400   61        70   15
12Z:        63  120        15
13Z:        52  160   47   14
14Z:        43  170   40   17
15Z:  110   46  200   29   16
16Z:   97   67  210   31   16
17Z:  100  110  240   80   16
18Z:   96  130  280  120   15
19Z:  100  130  300  140   16
20Z:  110  130  290  190   15
21Z:  120  130  270  250   16
22Z:  200  120  250  300   16
23Z:  220  110             16


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

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)
ARG = Argentia                   Canada              (N48W053)
DYS = Dyess AFB TX               USA                 (N32W099)
LEA = Learmonth                  Australia           (S21E115)
ANC = Anchorage AK               USA                 (N61W150)
CNV = Cape Canaveral FL          USA                 (N28W080)
PAL = Palehua HI                 USA                 (N21W158)
BOU = Boulder CO                 USA                 (N40W105)
SHE = Shemya AK                  USA                 (N52E174)
OSA = Osan AB                    Korea               (N37E127)


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.


