‰ Now 18 WPM transition file follows ‰ w1aw 2006 spring/summer operating schedule. w1aw transmits morning fast and slow code practice Tuesday through Friday at 1300z, or 9 am et. visitor operations are Monday through Friday at 1400 to 1600z, or 10 am to 12 PM ET, and then from 1700 to 1945z, or 1 PM to 345 PM et. the revolving schedule of code practices and bulletins, both digital and phone, begin Monday through Friday at 2000z, or 4 PM ET, until 0400z, or 12 am et. The complete w1aw operating schedule may be found on page 96 in the March 2006 issue of QST or on the web at, www.arrl.org/w1aw.html. Sunspots continue to be scarce, although numbers have risen the past couple of days. Several days this week had 0 spots, from March 25 to 27, but then they rose over the next few days to 11, 31 and 35. Geomagnetic conditions have been nice and stable, and should continue until April 6. He worked many strong Central and South American stations on 10 meters, as well as ZD8Z on Ascension Island and AH6RF in Hawaii. Bill also copied the ZL2MHF beacon, which runs 10 watts to a vertical antenna, and his longest path was his QSO with ZL1ANJ, 7,709 miles, at 1957z on March 26. For more information concerning radio propagation and an explanation of the numbers used in this bulletin see the ARRL Technical Information Service propagation page at, www.arrl.org/tis/info/propagation.html. Sunspot numbers were 36, 44, 0, 0, 0, 11 and 31 with a mean of 17R4. 10R7 cm flux was 76R6, 75R8, 75R6, 73R6, 74R3, 79R3, and 81R7, with a mean of 76R7. Estimated planetary A indices were 5, 4, 7, 7, 9, 6 and 6 with a mean of 6R3. Estimated mid latitude A indices were 2, 2, 4, 5, 8, 4 and 4, with a mean of 4R1‚ ‰ End of 18 WPM transition file ‚