Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Posting-Version: version B 2.10.2 9/17/84; site inuxi.UUCP Path: utzoo!watmath!clyde!burl!ulysses!mhuxr!mhuxt!houxm!ihnp4!inuxc!inuxi!wheatley From: wheatley@inuxi.UUCP (Steven Wheatley) Newsgroups: net.ham-radio Subject: ARRL PROPAGATION FORECAST BULLETIN NR 6 Message-ID: <289@inuxi.UUCP> Date: Mon, 10-Feb-86 20:54:27 EST Article-I.D.: inuxi.289 Posted: Mon Feb 10 20:54:27 1986 Date-Received: Wed, 12-Feb-86 08:18:35 EST Distribution: net Organization: AT&T Consumer Products, Indianapolis Lines: 31 qst de k9eui hr propagation forecast bulletin nr 6 from arrl headquarters newington ct february 10, 1986 to all radio amateurs bt after about 4 weeks of very low activity, the sun developed a rash of major flares and new sunspots during the past week. from 69 on january 27, the solar flux was up to 103 by february 5. suddenly the amateur bands sounded like 1983 again. 14 mhz, which had been going dead soon after local sunset, became almost a 24 hour dx band again. 21 and 24 mhz did almost as well, and 28 mhz, long almost totally quiet, was running wild again. during saturday night there was an aurora of such intensity that even 432 mhz dx was workable on ssb, as well as cw. 2 meter operators as far south as sarasota, florida used the aurora to build up their grid square totals. k1tol in maine was heard on 50 mhz in sweden by sm6pu, and the british 50 mhz beacon gb3six was heard by k1jrw in massachusetts. the 50 mhz band was open to south america hours at a time. solar flux is on the way down now, but it may not drop too far. the area of the sun that brought januarys highest flux reading will be facing us again this week. it should keep things interesting on 14 and 21 mhz, if not 24 and 28 mhz, after about wednesday. our lowest solar flux this month is expected about february 17 through 24. by about the 26th we should know if a recurrence of the early february flux peak is likely. american sunspot numbers for january 30 through february 5 were between 9 and 58 with a mean of 35.1. this activity follows a 14 day stretch of no visible spots ar