William Hepburn's Worldwide Tropo Ducting Forecasts

Thanks to Patricia W. for letting me know about this amazing website for obtaining tropospheric ducting conditions and predictions. Patricia originally wrote to me asking if I knew of any resources for ducting information since she had a customer who suspected it was the cause of some transmission problems. I suggested she check with the ARRL folks but although she couldn't find any ducting info on the ARRL.org website, she did locate William Hepburn's DX Information Centre. It provides a plethora of data including 6-day forecasts of VHF, UHF & microwave radio and TV signal strength and interference. So, ultimately she ended up helping me... and you if you ever need to know about tropospheric ducting.

Posted April 2013

RF Cafe began life in 1996 as "RF Tools" in an AOL screen name web space totaling 2 MB. Its primary purpose was to provide me with ready access to commonly needed formulas and reference material while performing my work as an RF system and circuit design engineer. The World Wide Web (Internet) was largely an unknown entity at the time and bandwidth was a scarce commodity. Dial-up modems blazed along at 14.4 kbps while tying up your telephone line, and a lady's voice announced "You've Got Mail" when a new message arrived...