Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Posting-Version: version B 2.10.1 6/24/83; site mgweed.UUCP Path: utzoo!watmath!clyde!burl!ulysses!mhuxj!ihnp4!mgnetp!mgweed!rjr From: rjr@mgweed.UUCP (Bob Roehrig) Newsgroups: net.ham-radio Subject: arrl propagation forecast bulletin nr 45 Message-ID: <13342@mgweed.UUCP> Date: Mon, 5-Nov-84 22:17:40 EST Article-I.D.: mgweed.13342 Posted: Mon Nov 5 22:17:40 1984 Date-Received: Tue, 6-Nov-84 05:44:59 EST Organization: AT&T Consumer Products - Montgomery Illinois Lines: 29 qst de k9eui hr propagation forecast bulletin nr 45 from arrl headquarters newington ct november 5, 1984 to all radio amateurs bt during the last 5 days of october, the solar flux varied between 69 and 73 , a range characteristic of months close to the end of the 3 previous cycles for which flux records are available. despite the low solar flux, the period was marked by generally good propagation on 14 mhz and lower frequencies. 21 mhz was open over much of the world at times, but only for short periods. 28 mhz was active mainly on north south and low latitude circuits. the solar flux rose after october 29, but geomagnetic indices also rose, and propagation in the higher latitudes suffered markedly. conditions are expected to continue erratic through november tenth, becoming more stable november 11 to 15th. slightly higher flux readings should increase activity on 21 and 28 mhz at this time. degraded conditions are likely november 15 through 20. for several days after about november 21, we may have some of the best propagation of the autumn dx season. more on this possibility will be given in later bulletins. american sunspot numbers for october 25 through november 2 were between 0 and 9 with a mean of 3.6 ar