‰ Now 18 WPM transition file follows ‰ Solar activity picked up this week, with average daily sunspot numbers for August 15 to 21 up nearly 42 points, forty nine percent, to 126.9, when compared to the previous seven days. Likewise, average daily solar flux increased from 111.7 to 126.3. The latest prediction from USAF/NOAA has solar flux at 130, 125, 120, and 115 on August 23 to 26, 110 on August 27 to 29, 105 on August 30, 95 on August 31 through September 1, 100 on September 2, 105 on September 3 and 4, 110 on September 5 to 8, 115 on September 9 to 11, 120 on September 12 and 13, and 125 on September 14 to 16. It then drops below 100 to 95 again on September 27 and 28. Predicted planetary A index is 15, 25, 20, 12, and 8 on August 23 to 27, 5 on August 28 to 30, then 12, 15 and 10 on August 31 through September 2, 5 on September 3 to 9, then 10, 15 and 18 on September 10 to 12, 8 on September 13 and 14, then 5, 15, 22, 12 and 8 on September 15 to 19 and 5 on September 20 to 26. OK1HH predicts in his geomagnetic activity forecast that August 23 and 24 will be active to disturbed, quiet to active conditions on August 25, quiet to unsettled August 26, mostly quiet August 27 to 29, quiet August 30, active to disturbed August 31 and September 1, quiet to unsettled September 2, quiet September 3 to 5, mostly quiet September 6 and 7, quiet September 8 to 9, quiet to active September 10 and 11, active to disturbed September 12 and 13, quiet September 14, mostly quiet September 15, quiet September 16, quiet to active September 17 and active to disturbed September 18. Monthly propagation charts between four USA regions and twelve overseas locations are at //arrl.org/propagation. Instructions for starting or ending email distribution of ARRL bulletins are at //arrl.org/bulletins. Sunspot numbers were 129, 104, 96, 134, 161, 115, and 149, with a mean of 126.9. 10.7 cm flux was 122.7, 119.9, 125, 126.1, 128.3, 131.5, and 130.4, with a mean of 126.3. Estimated planetary A indices were 15, 23, 7, 6, 5, 5, and 18, with a mean of 11.3. Estimated mid latitude A indices were 15, 27, 9, 8, 6, 5, and 13, with a mean of 11.9. ‰ End of 18 WPM transition file ‰