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 43 Message-ID: <13024@mgweed.UUCP> Date: Tue, 23-Oct-84 13:17:04 EDT Article-I.D.: mgweed.13024 Posted: Tue Oct 23 13:17:04 1984 Date-Received: Wed, 24-Oct-84 04:28:24 EDT Organization: AT&T Consumer Products - Montgomery Illinois Lines: 29 qst de k9eui hr propagation forecast bulletin nr 43 from arrl headquarters newington ct october 22 1984 to all radio amateurs bt it would not have been front page news a few months ago, but substantial sunspot activity appearing on the eastern portion of the sun october 15 and 16 was welcome, indeed. for a few days, something more than north south dx was available on 28 mhz, for the first time since last spring, and 21 mhz was active almost worldwide for several days. then the flux fell back to 74, and action on both bands tapered off. as usually happens, the solar outburst was followed in two days by rising geomagnetic activity, which tended to knock out propagation in the higher latitudes. cconditions for the forecast week are likely to be no better than fair in this respect, through the 23rd. solar flux values are expected to remain in the low seventies through about the 28th, but conditions will be improving after the 24th. a small solar flux rise is likely at the months end, with a move toward higher muf through about november 2. in general, november is expected to bring slightly better conditions than october has up to this bulletin issue date. american sunspot numbers for october 11 through 17 were between 0 and 22 with a mean of 10.0. ar