- We Should Retire Once and for All , By Don Keith, N4KC www.donkeith.com www.n4kc.com
- Basic Operating , 2001 - 2010 Don Cassel VE3XD, eHam.net
- THE EMERGENCY COORDINATOR'S MANUAL Edited by Steven Ewald, WV1X and Published by The American Radio Relay League, Inc.
- A New Ham's Guide How to Use Amateur (Ham Radio) Repeaters by N4UJW Hamuniverse.com and/or article author