说明: Chapter 1 Introduction to Amateur Radio 1 Who Can Become a Ham Radio Operator? 1 New Avenues into Amateur Radio 2 About Amateur Radio 2 A History of Amateur Radio 3 Early pioneers 3 Beginning of amateur radio 5 First licenses for amateur radio opera <osoon> 上传 | 大小:2mb
说明: Original USB Design Intent....................................................................................... 1 Host Role Responsibilities........................................................................................ 3 Ease of Use .... <osoon> 上传 | 大小:3mb