MFJ Enterprises, founded in 1972, is a manufacturer of a broad range of products for the Amateur radio

Amateur radio

Amateur radio is the use of designated radio frequency spectrum for purposes of private recreation, non-commercial exchange of messages, wireless experimentation, self-training, and emergency communication...

 industry. They specialize in station accessories such as antenna tuner

Antenna tuner

An antenna tuner, transmatch or antenna tuning unit is a device connected between a radio transmitter or receiver and its antenna to improve the efficiency of the power transfer between them by matching the impedance of the equipment to the antenna...

s and antenna switching equipment.

Representative products have been described in QST Magazine

QST

QST is a magazine for amateur radio enthusiasts, published by the American Radio Relay League . It is a membership journal that is included in membership with the ARRL. The publisher claims that circulation of QST in the United States is higher than all amateur radio-related publications in the...

 and CQ Amateur Radio

CQ Amateur Radio

CQ Amateur Radio is a magazine for amateur radio enthusiasts. The magazine has a worldwide readership base for its English language edition. A Spanish language edition is published in Spain with some translations of articles from the English language edition and some original European content...

.

The initials "MFJ" in the company name are those of the founder, Martin F. Jue (ham radio callsign K5FLU).

Subsidiaries

MFJ owns five subsidiary

Subsidiary

A subsidiary company, subsidiary, or daughter company is a company that is completely or partly owned and wholly controlled by another company that owns more than half of the subsidiary's stock. The subsidiary can be a company, corporation, or limited liability company. In some cases it is a...

 companies:

• Ameritron
• Hy-Gain
  Hy-Gain
  Hy-Gain is a manufacturer of antenna and antenna related products for the Amateur radio industry. Their best known products are a line of Yagi antennas and antenna rotators. Hy-Gain, formerly owned by Telex Communications, was sold to MFJ Enterprises in 1999....
  
  
• Mirage
• Vectronics
• Cushcraft

External links

• MFJ Enterprises
• Ameritron
• Hy-Gain
• Mirage
• Vectronics
• Cushcraft