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During the period in the 1950s and '60s, National produced a wide range of amateur radio equipment which was advertised extensively in many amateur radio publications. Usually new equipment was first shown in this publication in order to initiate marketing of a new item. The company would mainly opt
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time each year
National would produce tempting advertisements festooned with holly leaves. In the late 1950s, National asked the readers of QST what they wanted in a new ham radio receiver, with the result being the National NC-300 (and its successor, the NC-303). It featured a rare 30–35 MHz
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in 1939. After the U.S. declared war in 1941, National was advised by the military to "Start building HROs; we'll tell you when to stop." National began producing for the war effort, and the number of employees went from approximately 200 to about 2,500 during the war. The war effort brought
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The company was incorporated, in 1914, as the "National Toy
Company", but by 1916 had included household appliances in their product range. This expansion led to the name change to the "National Company, Inc.". By 1923 the product line included toys, food mixers, and radio components. Radio
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receiver. This radio included two RF stages and a crystal filter. The distinctive dial allowed kc (kHz) resettability and was a
National trademark into the 1960s. With few changes other than to keep up with changing tube technology, this same basic design survived for over 20 years.
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Through the 1970s and 1980s, National survived as a government contractor and ceased development and production of civilian equipment. However, by 1991, after continuing difficulties, the company ceased trading.
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of their own design. This relationship led to the production and sale of the "National
Regenaformer" kit for home construction of the Browning-Drake design. The set was capable of tuning the standard
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HRO 500, which did not incorporate the HRO dial system, but instead relied on a direct readout rather than a conversion scale or chart. At the time,
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magazine reviewed the HRO 500 as "possibly the best amateur receiver ever". Today, many
National radios are collected, restored and operated by
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input for converters for 50, 144 and 220 MHz use (220 MHz equipment was very rare at the time). In 1965, National introduced the
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components were to play an important part in the company's growth in the mid-1920s as they moved into the large scale manufacture of
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for the inside back cover which they believed would gain prominence for their new wares. In addition, around
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increased recognition and profits to
National and after the war, in the late 1940s, National went public.
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National had established a reputation with the
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Atomichron: The Atomic Clock from
Concept to Commercial Product
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National began providing equipment to the United States and
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In 1947, a
National model NC-173 receiver went along with
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182:In 1935 National introduced their top-of-the-line
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347:Manufacturing companies based in Massachusetts
317:History and products of National Radio Company
139:. It was at this time that two engineers from
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106:Learn how and when to remove this message
352:Defunct companies based in Massachusetts
296:http://www.qsl.net/jms/bio_rem/bhnc.html
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277:Vintage amateur radio
231:vintage amateur radio
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124:Malden, Massachusetts
40:improve this article
226:Popular Electronics
122:, headquartered in
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96:November 2021
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51:Find sources:
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29:This article
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257:E.F. Johnson
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149:AM broadcast
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38:Please help
33:verification
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221:solid state
341:Categories
283:References
272:R.L. Drake
267:Hammarlund
247:Atomichron
196:Royal Navy
137:capacitors
66:newspapers
315:Radio Bay
216:Christmas
153:shortwave
301:, Vol. 1
241:See also
208:Kon-Tiki
206:on the
130:History
80:scholar
192:Allied
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87:JSTOR
73:books
118:The
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184:HRO
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