Lines: 242 Subject: Daily Summary of Ionospheric Data for 18 February Followup-To: rec.radio.amateur.misc,rec.radio.shortwave Approved: rec-radio-info@ve6mgs.ampr.ab.ca Path: news.cs.tut.fi!news.funet.fi!sunic!pipex!howland.reston.ans.net!wupost!udel!rochester!cornell!uw-beaver!nntp.cs.ubc.ca!alberta!ve6mgs!usenet Date: Sun, 20 Feb 1994 14:25:59 MST From: oler@rho.uleth.ca (Cary Oler) Newsgroups: rec.radio.info Message-ID: <9402202126.AA12788@rho.uleth.ca> --------------------------------------- DAILY IONOSPHERIC SUMMARY FOR 18 FEB 94 --------------------------------------- M-FACTORS FOR 3000 KM DISTANCES - M(3000)F2 ------------------------------------------- MUR ASH SAL MAG SVE TOM BOU WLP MAU GOO EIE CHU KEA ARG NIC DYS LEA --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- 00Z: 2.8 2.8 3.4 2.9 3.7 3.3 3.2 3.0 3.2 3.3 3.3 3.1 3.5 3.2 01Z: 2.8 2.9 2.8 3.6 3.2 3.1 3.2 2.9 3.3 3.3 2.9 3.1 3.5 3.2 02Z: 3.0 3.0 3.1 3.6 3.5 2.7 3.3 3.0 3.3 3.4 2.8 3.6 3.4 3.1 03Z: 2.9 3.1 3.3 3.6 2.9 3.4 2.9 3.3 2.6 3.2 3.4 2.8 3.1 3.3 3.0 04Z: 3.2 3.7 3.2 3.1 2.9 3.4 2.4 3.1 3.4 2.7 3.5 3.5 2.9 05Z: 3.0 3.0 3.4 3.5 3.2 3.7 2.7 3.5 4.5 3.0 3.6 B 3.5 B 3.0 06Z: 3.2 3.1 3.5 3.6 3.2 3.4 2.7 3.7 3.1 3.0 3.7 B 2.9 3.0 07Z: 2.8 3.0 3.5 3.6 2.8 2.8 2.8 3.9 2.8 B 2.8 3.0 08Z: 3.3 3.4 3.4 2.9 3.0 2.6 3.5 3.1 B 3.0 3.1 09Z: 3.3 3.0 3.3 3.3 3.0 3.0 3.0 3.3 3.0 B 3.1 3.1 10Z: 3.4 3.0 3.4 3.4 3.0 3.2 2.8 3.4 3.2 3.3 3.3 3.4 11Z: 3.4 3.1 3.4 3.0 3.2 3.0 3.6 3.3 A 3.6 3.6 B 3.6 12Z: 3.3 3.0 3.4 3.0 3.2 3.6 3.5 3.5 A 3.6 3.3 13Z: 3.3 3.2 2.6 3.7 2.8 3.4 3.8 2.9 3.4 14Z: 3.3 3.3 3.3 2.8 3.4 3.0 3.4 2.4 G 3.0 3.4 15Z: 3.3 3.1 3.2 2.8 3.3 3.3 3.7 4.0 3.4 3.4 3.4 16Z: 3.3 3.0 3.2 3.0 3.2 3.1 2.9 2.7 3.3 3.1 3.2 17Z: 3.2 3.1 3.0 3.2 3.4 3.3 3.2 3.3 3.4 3.6 3.8 18Z: 3.2 2.6 3.1 3.2 3.3 3.5 3.3 3.3 3.3 4.0 19Z: 3.3 3.3 3.2 3.2 3.2 3.7 20Z: 3.4 3.3 3.2 3.2 3.3 3.5 21Z: 3.3 3.3 3.3 3.2 3.4 3.4 22Z: 2.7 3.1 3.1 3.3 3.1 3.9 3.2 23Z: 3.2 2.8 3.2 3.1 3.5 3.5 ========================================= Estimated Average Global M(3000)F2: 3.22. MINIMUM OBSERVED FREQUENCIES - FMIN (MHz) ----------------------------------------- MUR ASH SAL MAG SVE TOM --- --- --- --- --- --- 00Z: 1.1 2.0 1.0 2.0 1.0 01Z: 1.0 2.0 1.0 2.0 1.0 02Z: 1.0 2.0 1.0 2.7 1.9 03Z: 1.2 2.0 1.0 2.1 1.8 2.4 04Z: 2.0 1.6 1.0 3.0 05Z: 1.0 2.0 3.0 1.7 2.2 3.0 06Z: 1.0 2.0 3.5 1.3 1.0 3.0 07Z: 2.2 3.5 1.0 3.0 08Z: 2.2 1.0 3.5 09Z: 3.0 2.0 1.0 2.8 10Z: 3.0 2.0 3.3 1.0 1.0 2.8 11Z: 3.0 2.0 2.7 1.0 1.0 1.8 12Z: 3.0 2.0 2.2 1.0 1.0 1.2 13Z: 2.7 2.0 5.0 1.0 1.9 14Z: 2.5 2.0 1.0 1.0 15Z: 1.8 2.0 1.0 1.0 16Z: 1.0 2.0 1.0 1.0 17Z: 1.0 2.0 1.0 1.0 18Z: 1.0 2.0 1.0 1.0 19Z: 20Z: 21Z: 22Z: 23Z: CRITICAL SPORADIC E-LAYER FREQUENCIES - Es (MHz) ------------------------------------------------ MUR ASH MAG SVE TOM --- --- --- --- --- 00Z: 3.5 01Z: 3.0 02Z: 3.0 03Z: 04Z: 4.0 05Z: 4.0 06Z: 1.8 4.0 07Z: 1.8 08Z: 1.7 09Z: 3.6 10Z: 3.7 4.0 11Z: 4.0 4.5 2.0 12Z: 3.7 4.0 13Z: 3.2 14Z: 2.9 2.3 15Z: 1.9 16Z: 17Z: 18Z: 19Z: 20Z: 21Z: 22Z: 23Z: OBSERVED CRITICAL F2 LAYER FREQUENCIES (MHz) -------------------------------------------- MUR ASH SAL MAG SVE TOM POI BOU WLP OTI MAU GOO EIE CHU KEA ARG NIC DYS LEA ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 00Z: 3.5 2.0 6.4 2.1 2.9 6.8 4.5 11.1 3.8 6.3 11.1 3.6 3.2 6.3 6.5 01Z: 2.2 3.4 1.7 5.6 2.5 3.1 3.9 9.7 3.0 6.6 9.7 3.4 3.4 5.2 6.7 02Z: 2.3 4.3 1.8 6.4 4.6 3.1 3.4 8.8 2.4 6.7 8.8 3.1 3.2 3.4 6.8 03Z: 2.2 4.5 3.0 6.4 2.3 5.9 3.0 3.4 7.6 2.3 5.2 7.6 2.7 2.8 3.3 7.8 04Z: 6.4 6.4 5.0 6.5 3.0 3.4 7.7 3.0 4.5 7.7 2.5 3.0 2.8 8.3 05Z: 2.4 6.6 5.0 6.0 5.5 6.4 2.5 3.5 7.4 2.9 3.1 7.4 B 4.5 B 8.8 06Z: 3.8 6.8 5.0 6.2 6.5 7.0 2.3 3.7 5.9 2.7 2.4 5.9 B 3.0 8.7 07Z: 4.3 5.3 5.6 6.6 4.3 3.7 3.2 2.7 7.9 3.2 B 3.3 9.1 08Z: 5.1 5.1 7.3 3.7 3.5 2.8 3.5 3.5 B 3.3 9.0 09Z: 5.2 9.0 3.5 6.5 3.7 3.7 3.0 6.4 3.7 B 3.2 8.4 10Z: 4.3 8.7 5.0 6.8 6.6 3.4 4.0 6.9 5.0 4.0 3.4 3.6 8.3 11Z: 5.1 7.0 5.8 2.5 6.3 5.9 3.7 4.3 4.0 A 4.3 5.3 B 6.3 12Z: 5.1 7.0 5.3 2.3 6.0 5.7 6.4 2.9 5.2 A 2.9 5.9 13Z: 5.6 7.3 4.9 2.6 5.3 6.6 5.1 2.5 6.1 3.9 2.5 6.3 14Z: 4.9 6.6 4.5 2.6 6.8 6.0 2.8 6.0 4.3 G 2.8 6.9 15Z: 4.4 5.4 3.6 2.7 6.7 6.1 3.0 6.1 3.8 4.9 3.0 7.2 16Z: 3.3 6.0 2.5 2.4 7.0 6.7 2.7 7.7 3.3 5.3 2.7 7.4 17Z: 3.3 4.2 2.0 2.1 8.1 7.3 4.6 7.1 3.8 4.6 6.8 7.1 18Z: 3.2 3.9 1.7 2.1 7.6 7.0 8.9 4.6 5.7 6.8 6.5 19Z: 7.4 7.0 5.4 5.9 6.9 7.1 20Z: 7.5 7.1 6.4 6.2 7.0 7.9 21Z: 7.6 6.2 6.6 6.2 6.2 8.1 22Z: 5.8 5.5 7.3 6.3 5.1 6.5 4.8 23Z: 5.2 4.3 7.5 4.1 6.9 6.7 ========================================= Estimated Average Global foF2: 5.10 MHz. MAXIMUM USABLE FREQUENCIES FOR 3000 KM PAT -------------------------------------------------------------- MUR ASH SAL MAG SVE TOM BOU WLP MAU GOO EIE CHU KEA ARG NIC DYS LEA ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 00Z: 9.8 5.6 21.8 6.1 24.9 14.8 36.1 11.4 20.2 36.6 11.9 9.9 22.1 20.8 01Z: 6.2 9.9 4.8 20.2 8.0 12.1 31.5 8.7 21.8 32.0 9.9 10.5 18.2 21.4 02Z: 6.9 12.9 5.6 23.0 16.1 9.2 29.5 7.2 22.1 29.9 8.7 11.5 11.6 21.1 03Z: 6.4 13.9 9.9 23.0 6.7 20.1 9.9 25.5 6.0 16.6 25.8 7.6 8.7 10.9 23.4 04Z: 20.5 23.7 16.0 20.1 9.9 26.2 7.2 13.9 26.2 6.8 10.5 9.8 24.1 05Z: 7.2 19.8 17.0 21.0 17.6 23.7 9.4 26.3 13.1 9.3 26.6 B 15.8 B 26.4 06Z: 12.2 21.1 17.5 22.3 20.8 23.8 10.0 21.5 8.4 7.2 21.8 B 8.7 26.1 07Z: 12.0 15.9 19.6 23.8 10.4 8.8 7.6 30.8 9.0 B 9.2 27.3 08Z: 16.8 17.3 24.8 10.7 10.7 7.3 12.2 10.8 B 9.9 27.9 09Z: 17.2 27.0 11.6 21.4 11.1 11.1 9.0 21.1 11.1 B 9.9 26.0 10Z: 14.6 26.1 17.0 22.4 10.2 12.6 19.3 17.0 12.8 11.2 11.9 28.2 11Z: 17.3 21.7 19.7 7.5 18.9 11.1 15.5 13.2 A 15.5 19.1 B 22.7 12Z: 16.8 21.0 18.0 6.9 18.2 23.0 10.3 18.2 A 10.4 19.5 13Z: 18.5 23.4 6.8 24.4 7.1 20.7 14.8 7.2 21.4 14Z: 16.2 21.8 14.8 7.3 23.1 8.3 20.4 10.3 G 8.4 23.5 15Z: 14.5 16.7 11.5 7.6 22.1 10.0 22.6 15.2 16.7 10.2 24.5 16Z: 10.9 18.0 8.0 7.2 22.4 8.4 22.3 8.9 17.5 8.4 23.7 17Z: 10.6 13.0 6.0 6.7 27.5 15.4 22.7 12.5 15.6 24.5 27.0 18Z: 10.2 10.1 5.3 6.7 25.1 31.1 15.2 18.8 22.4 26.0 19Z: 24.4 23.1 17.3 18.9 22.1 26.3 20Z: 25.5 23.4 20.5 19.8 23.1 27.6 21Z: 25.1 20.5 21.8 19.8 21.1 27.5 22Z: 15.7 17.0 22.6 20.8 15.8 25.4 15.4 23Z: 16.6 12.0 24.0 12.7 24.1 23.4 =============================================== Estimated Average Global MUF(3000)F2: 16.43 MHz. OBSERVED TOT ------------------------------------------- BOU ANC CNV PAL SHE OSA TAO ---- ---- ---- ---- ---- ---- ---- 00Z: 150 220 180 380 01Z: 120 210 120 320 02Z: 78 200 99 240 03Z: 54 160 95 190 04Z: 36 140 100 170 05Z: 30 110 100 130 06Z: 97 100 90 07Z: 32 99 100 54 08Z: 33 97 110 54 09Z: 97 58 10Z: 98 62 11Z: 39 100 110 63 12Z: 41 100 120 13Z: 42 110 150 45 14Z: 110 180 42 15Z: 120 110 220 48 16Z: 150 110 250 44 17Z: 170 140 270 51 18Z: 190 190 260 130 19Z: 200 220 280 200 20Z: 230 230 280 21Z: 210 250 250 360 22Z: 190 250 230 340 23Z: 160 240 210 360 LIST OF REPORTING STATIONS AND THE SAT MUR = Murmansk USSR (N68E033) ASH = Ashkhabad USSR (N37E058) SAL = Salekhard USSR (N66E066) MAG = Magadan USSR (N60E151) SVE = Sverdlovsk USSR (N56E061) TOM = Tomsk USSR (N56E085) POI = Poitiers France (N46E000) BOU = Boulder CO USA (N40W105) WLP = Wallops Island VA USA (N37W075) OTI = Ottawa Canada (N45W076) MAU = Maui HI USA (N20W157) GOO = Goose Bay Canada (N53W060) EIE = Eielson AFB AK USA (N64W147) CHU = Churchill Canada (N58W094) KEA = Keakawapu HI USA (N20W156) ARG = Argentia Canada (N48W053) NIC = Nicosia Cyprus (N35E033) 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) SHE = Shemya AK USA (N52E174) OSA = Osan AB Korea (N37E127) TAO = Taoyuan Taiwan (N25E121) 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.