Note: Supplemental materials are not guaranteed with Rental or Used book purchases.
- ISBN: 9780943016115 | 0943016118
- Cover: Paperback
- Copyright: 9/1/1995
A must-read for radio communicators of any type. Highlights include: principles of ionospheric propagation, ionospheric forecasting, unusual HF and VHF ionospheric propagation, and do-it-yourself propagation predictions and charts. Solar cycle predictions, sunspots and the sunspot cycle, along with stunning photography including the largest-ever solar flare in 1989.