The ARRL's extra Q&A : all you need to pass your extra class exam! / by Ward Silver ; contributing editor Mark Wilson ; production staff Michelle Bloom [and others].

Author: Silver, H. Ward
Additional Titles: ARRL's extra Q&A : upgrade to an extra class ham radio license!
Published: Newington, CT : ARRL, [2012]
Copyright Date: ©2012
Edition: 3rd ed.
Physical Description: 1 volume (various pagings) : illustrations ; 22 cm
Additional Creators: Wilson, Mark, Horan, Stephen John, 1954-, and American Radio Relay League