Broadcast Electronics is shipping a new line of tube transmitters for HD Radio, the FMi T Series. The manufacturer highlights the line’s efficiency and power levels for low-level combined operations.

You work on transmitters every day. Have you ever removed a large tube socket for repair or replacement? It can be a daunting task. I hope you don’t have to do the job overnight when you are tired.

Suppose you traveled back in time—say 40,000 years into the past—and then you got stuck. What would you do? How would you rebuild all the stuff that you like? That's the premise of the book How to ...

We’ve said it before and we’ll say it again: the best part about holding an amateur radio license is that it lets you build and use your own transmitting equipment. Hams have been doing this for more ...