MFJ Enterprises was an American manufacturer specializing in a wide range of products for the

amateur radio Amateur radio, also known as ham radio, is the use of the radio frequency radio spectrum, spectrum for purposes of non-commercial exchange of messages, wireless experimentation, self-training, private recreation, radiosport, contesting, and emer ...

market. The company focuses on station accessories, including

antenna tuner An antenna tuner, a matchbox, transmatch, antenna tuning unit (ATU), antenna coupler, or feedline coupler is a device connected between a radio transmitter or receiver and its antenna to improve power transfer between them by matching the imped ...

s and antenna switching equipment. MFJ was founded in 1972 by

Martin F. Jue Martin F. Jue is an American business personality, inventor and founder/owner of several companies, including MFJ Enterprises, Hy-Gain, Cushcraft, Ameritron, Vectronics and others, all of which manufacture products for the amateur radio industry. ...

. As of 2014, the company was recognized as the largest producer of amateur radio products worldwide. Representative products have been described in '' QST'' Magazine and ''

CQ Amateur Radio ''CQ Amateur Radio'' (also known simply as ''CQ'' or ''CQ magazine'', and formerly as ''CQ: The Radio Amateur's Journal'') is a dormant magazine for amateur radio enthusiasts first published in 1945. The English language edition is read worldwi ...

''. The initials "MFJ" in the company name are those of the founder, Martin F. Jue (ham radio

callsign In broadcasting and radio communications, a call sign (also known as a call name or call letters—and historically as a call signal—or abbreviated as a call) is a unique identifier for a transmitter station. A call sign can be formally assi ...

K5FLU). On April 26th, 2024, Martin F. Jue announced that as of May 17, 2024, the company will cease on-site production at their

Starkville, Mississippi Starkville is a city in and the county seat of Oktibbeha County, Mississippi, United States. As of the 2020 United States census, Starkville's population is 24,360, making it the 16th-most populated city in Mississippi. Starkville is the largest ...

, facility. Ameritron, Hy-Gain, Cushcraft, Mirage, and Vectronics brand products will be affected by the shutdown.

Subsidiaries

MFJ owned five

subsidiary A subsidiary, subsidiary company, or daughter company is a company (law), company completely or partially owned or controlled by another company, called the parent company or holding company, which has legal and financial control over the subsidia ...

companies: *Ameritron HF Amplifiers *Hy-Gain Antennas and Rotators *Mirage VHF/UHF Amplifiers *Vectronics *Cushcraft Amateur Antennas, an antenna manufacturer that has expanded outside amateur radio into RFID technology.

References

{{reflist Amateur radio companies Defunct companies based in Mississippi Electronics companies established in 1972 1972 establishments in Mississippi