Another very good resource is http://www.arrl.org/news/new-book-energy-choices-for-the-radio-amateur-now-shipping http://www.arrl.org/news/new-book-energy-choic

Another very good resource is http://www.arrl.org/news/new-book-energy-choices-for-the-radio-amateur-now-shipping http://www.arrl.org/news/new-book-energy-choices-for-the-rad.... The author is more well known for inventing http://www.aprs.org/ http://www.aprs.org/