ATP VFR+IFR 12-month and Comms Manual - PlaneEnglish
Flight Radio - US Aircraft Frequency Guide - 2017-2018 Edition: Guide to listening to Aircraft Communication on your Scanner Radio, Dell, Michael, eBook - Amazon.com
Radio Communication Failure in Aviation - aviationfile
NEW CC SKYWAVE SSB 2 With AM FM SW WX and Aviation Bands / Includes SW Wire