Amateur Radio Magazine (CQ Magazine) 2 issues from 1957 and 10 issues from 1961. CQ ham radio magazine is a leading amateur radio publication, with its first issue being September 1946. This magazine contains many interesting articles related to amateur radio. This lot includes 2 issues of CQ magazine: July and December 1957, and 10 issues from 1961: January to April and July to December, for a total of 12 issues. Contents of each issue: July 1957: How to build and operate a portable station December 1957: Vacuum tube 2-meter special January 1961: Vacuum tube all-transmitter parade February 1961: Understanding transistor technology (basic), improving receivers March 1961: Cover "JA1AA station's birdcage antenna", let's build a VFO usable on VHF April 1961: 10-meter introduction, two 50Mc sets August 1961: Three all-band rigs (construction of SSB transmitters) September 1961: Antenna to earn DX with 10W, transceiver circuit design October 1961: Guide to 21/28Mc, off-band measures November 1961: Ham's measurement technology, transistor technology December 1961: Vacuum tube set Each issue is old, and the pages show signs of aging. These are valuable materials. We welcome inquiries from those interested. Thank you for viewing.