ad7i@houxp.UUCP (Paul Newland) (08/06/83)
qst de ad7i holmdel, new jersey, u.s.a. hr propagation forecast bulletin nr 31 from arrl headquarters newington ct august 1, 1983 to all radio amateurs bt the solar flux dipped to a low of 119 on july 27, but then began to rise rapidly. by july 31 it was up to 153, its highest level since early june. it appears likely to go higter, and remain above recent levels through the first two days of august. as has been stated in recent bulletins, this rise is unlikely to make a marked difference in our summertime dx conditions. the condition of the earths magnetic field is of more importance at this season. it has been erratic in the past week, and propagation has been more than normally variable. a more calm period is due august 1 and 2, but erratic propagation is expected again august 3 to 6. sporadic e skip is still with us, but it will become less common in early august. high latitude f layer propagation will improve and the muf will be moving higher after mid august. american sunspot numbers for july 21 through 27 were between 61 and 124 with a mean of 90.7 ar