Publications Click on a book to be linked to Amazon. The books are either written or edited by Eric Nichols. 2018-2022 Technical Class License Manual 2018-2019 General Class License Manual 2016-2020 Extra Class HAM Operator Manual Receiving Antennas for the Radio Amateur - 2018 Digital Storage Oscilloscopes For Ham Radio - 2016 Propagation and Radio Science - 2015 Radio Science for the Radio Amateur - 2013 The Opus of Amateur Radio Knowlege and Lore - 2013 The Spirit of the Craftsman - 2011 Plasma Dreams - 2005 150+ ARRL.net Publications (Search KL7AJ) CQ Magazine Publications