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The ARRL Extra Class License Manual for Ham Radio
H. Ward Silver
出版American Radio Relay League, 2008
主題Education / Study SkillsStudy Aids / Tests (Other)Technology & Engineering / RadioStudy Aids / Study & Test-Taking Skills
ISBN08725913529780872591356
URLhttp://books.google.com.hk/books?id=EcbjKvhgPLsC&hl=&source=gbs_api
EBookSAMPLE
註釋"Pass the 50-question Extra Class test; all the exam questions with answer key, for use beginning July 1, 2008 to June 30, 2012; detailed explanations for all questions including FCC rules"--Cover.