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Last month, we took a look at the beginnings of what would be the age of connectivity on the go, the battery portable radio. This month I’ll feature a line of battery powered tube radios that brought the technology to its pinnacle. The Zenith Trans-Oceanic series of shortwave portables would stretch from 1941 through 1982, with tube models produced until 1963. The radios performed so well, and became so popular, that they earned the nickname “The Royalty of Radios.”
One of the sets that I featured last month was the Zenith Model 5G401, the beginnings of a long line of such sets. The Zenith Corporation was founded in 1918 by amateur radio operators Ralph Matthews and Karl Hassel in Chicago as Chicago Radio Labs. They produced and sold amateur radio equipment. In 1921 they were joined by Eugene F. McDonald, who had served as a lieutenant commander in the U.S. Navy in WWI. Under McDonald, the company
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“This is one of the most important concepts in ham radio… the relationship between transmitted power and received signal strength. Sadly, many hams aren’t familiar with thi... Read more
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A G1 (Minor) geomagnetic storm watch has been issued for 12 January (UTC day) due to a recurrent, negative polarity, coronal hole high speed stream. Whenever we have high speed solar... Read more
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AMSAT has filed comments on the Federal Communications Commission’s Notice of Proposed Rulemaking which proposes to delete the 3.3 – 3.5 GHz (9 cm) amateur band, including the 3.40 – 3.41 GH... Read more
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For the 11th consecutive year, The 3916 Nets will be staging The Santa Net on 3.916 MHz. Good girls and boys will be able to talk to Santa Claus, via amateur radio, nightly at 7:30 PM (Centr... Read more
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Frequency: 7, 14, 21, 28 MHz Number of elements: 7 MHz – 3 el. 14 MHz – 4 el. 21 MHz – 4 el. 28 MHz – 6 el. Gain dBd: 5,8 – 9,6 – 9,8 – 10,2 Front t... Read more
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The ARRL DXCC Department has approved for DXCC credit the unexpected P5/3Z9DX “demonstration” operation from North Korea last December. Well-traveled Polish DXer Dom Grzyb, 3Z9DX, has said h... Read more
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In 2014, ARRL members celebrated 100 years of “Advancing the Art and Science of Radio.” Founded in 1914, ARRL is the national association for Amateur Radio in the USA and the lar... Read more
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After filing a civil action and seeking an injunction to stop a church-related pirate radio station from operating in Worcester, Massachusetts, the US Attorney’s Office this week reached a s... Read more
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