‰ NOW 18 WPM transition file follows‰ Low solar activity continued over the past reporting week, January 18 to 24, with 0 sunspots visible after January 19. Average daily sunspot number changed from 7 over the previous seven days to 3.3 this week. Average daily solar flux was down slightly from 70.7 to 70. Geomagnetic indicators were also quiet. Predicted solar flux is 70 on January 26 through February 16, 68 on February 17, 69 on February 18 and 19, 68 on February 20 to 26, and 70 on February 27 through March 11. Predicted planetary A index is 8 on January 26 and 27, then 5, 8, 10 and 8 on January 28 to 31, 5 on February 1 to 3, 8 on February 4 and 5, 5 on February 6 to 8, then 8, 12 and 8 on February 9 to 11, 5 on February 12 to 14, then 8, 12, 8, 10, 10 and 8 on February 15 to 20, 5 on February 21 to 23, 10 on February 24, 5 on February 25 through March 2, 8 on March 3 and 4, 5 on March 5 to 7, then 8, 12, 8 and 5 on March 8 to 11. The OK1HH Geomagnetic activity forecast for the period January 26 to February 21, 2018. Geomagnetic field will be, Quiet on January 31, February 3, 6 to 8, 13 and 14 Mostly quiet on February 2, 9, 15, 19 Quiet to unsettled on January 26 and 27, 30, February 1, 12 Quiet to active on January 28 and 29, February 4 and 5, 11, 16 to 8, 20 Active to disturbed on February 10, 21 Amplifications of the solar wind from coronal holes are expected on January 28 to 31, February 5 and 6, 7, 9, 10 to 12, 16 to 18 F. K. Janda, OK1HH Czech Propagation Interest Group Compiling this geomagnetic activity weekly forecasts since 1978. A graph of mode usage during 2017 compiled by ClubLog.org can be found online at, //bit.ly/2DCPw2e . There is also a You Tube video of same. If you would like to make a comment or have a tip for our readers, email the author at, k7ra at arrl.net . For more information concerning radio propagation, see the ARRL Technical Information Service web page. A detailed explanation of numbers used in this bulletin is also available on this site. An archive of past propagation bulletins is also available. Monthly propagation charts between four USA regions and twelve overseas locations can be found on the ARRL/Propagation web page. Find better information and tutorials on propagation on the K9LA web site. The multiple websites mentioned in this bulletin can be found in teleprinter, packet, and Internet versions of 2018 Propagation Forecast Bulletin ARLP004. Sunspot numbers were 12, 11, 0, 0, 0, 0, and 0, with a mean of 3.3. 10.7 cm flux was 71.1, 70.8, 69.6, 68.3, 70.1, 70.5, and 69.9, with a mean of 70. Estimated planetary A indices were 2, 8, 8, 10, 12, 4, and 9, with a mean of 7.6. Estimated mid latitude A indices were 1, 6, 5, 8, 8, 3, and 6, with a mean of 5.3. ‰ END OF 18 WPM transition file ƒ