00:00 Opening Theme 00:33 Introduction Hello to AA5HU, KE7IQT, VE6RLB, KC5EYC, and unidentified listeners around the country and around the world. 03:15 Announcements Anyone out there using Linux in their ham shack? Get in touch. Are you a new General class licensee? Let's talk about the challenges of operating on the HF bands. If you have any artistic talents, perhaps you can create a logo for the Resonant Frequency podcast. Hello, too, to the Richardson Wireless Klub. Belton Hamfest 2007 is this weekend. Please send some feedback! Drop an email telling us what you like, what you don't like, and any other comments, show suggestions, or amateur radio related announcements. 08:22 Interview Carl, K9LA, (https://k9la.us/), propagation guru, president of the Fort Wayne, Indiana DX Association, DXCC Honor Roll, 5 band DXCC, and author of many articles. Carl will discuss radio wave propagation. 13:40 Space weather. 16:22 K-index. 18:33 A-index. 20:10 Geomagnetic storms. 22:38 Solar flares. More information can be found at the Space Environment Center web site. 25:15 Sunspots. 27:08 Realtime information sources: Listen to the 10MHz WWV at 18 minutes past the hour, which will give the current K-index, yesterday's A-index, and the solar flux (sunspot number). Also on the web: SEC web site, spaceweather.com, www.dxlc.com/solar, dx.qsl.net/propagation 30:40 Computer propagation programs: voacap (free download), w6elprop, hfprop (replaced by voaprop -Ed.), search for "hf propagation program" for many more. They all basically use the same ionospheric model. 34:12 Propagation modes. 38:42 Auroral propagation. 41:33 Backscatter. 44:20 Blind zone, or skip zone. 46:38 NVIS (near-vertical incident skywave) 47:20 Closing remarks. References: "The New Shortwave Propagation Handbook" by CQ Propagation Editor George Jacobs, W3ASK, Ted Cohen, N4XX, and Robert Rose, K6GKU. available from the CQ Magazine store and from Amazon. "The Little Pistol's Guide to HF Propagation" by Bob Brown, NM7M. Unfortunately, it is out of print, but is available on the Worldradio 2000 Archive CD. (Ed. note: the URL given in the podcast, www dot wr6wr dot com, no longer works.) You may reach Carl at K9LA@arrl.net. 51:58 Conclusion Music is "Give It All Away", by midliFeCrisis, from the album "Live from the Loft" available at http://www.podsafeaudio.com
Contact Info For Richard KB5JBV: Website: www.rfpodcast.info Email: kb5jbv@gmail.com Youtube: https://www.youtube.com/c/RichardBaileyKB5JBV FaceBook: www.facebook.com/groups/resonantfrequency/ Twitter: www.twitter.com/kb5jbv MeWE: mewe.com/i/richardbailey31 Tumblr https://www.tumblr.com/settings/blog/resonant-frequency-podcast Discord: https://discord.com/channels/758866379104845856/758866379104845860 Reddit: https://www.reddit.com/user/Richard_KB5JBV