Amplifier Research Corporation is being awarded a $5.7 million, firm-fixed-price, indefinite delivery/indefinite quantity contract for high power radio frequency amplifier systems in support of ...

Software-defined radios are great tools for the amateur radio operator, allowing visualization of large swaths of spectrum and letting hams quickly home in on faint signals with the click of a mouse.

[Alan Wolke] aka [w2aew] was challenged to repair a friends Yaesu FT-7800 ham radio. This radio operates on two ham bands, 2 m VHF and 70 cm UHF. The complaint was that the 2 m side was not working ...

Triad RF Systems, the New Jersey specialist in high power microwave amplifiers and amplified radio systems, has launched a dual, bi-directional amplifier that supports 2X2 MIMO radio applications.

Marked: "Grebe Radio / Richmond Hill, N.Y. / Type RORN / Tuned Radio Amplifier / 150 to 3000 M. / Serial No. 129." Plate: "Manufactured Under Grebe Patents Granted and Pending." Specimen is an early ...