Ham Edition is a new member in family of SoftRF devices. Unlike the other ones, Ham uses traditional APRS technology to report own position over Ham Radio bands. It is supposed to require minimal ...

Tiffany Wendeln Connors is a senior editor for CNET Money with a focus on credit cards. Previously, she covered personal finance topics as a writer and editor at The Penny Hoarder. She is ...

Each cavity is driven by a high-power klystron, which is a tube containing electron beams. The electron beams are intensity-modulated to a frequency of 400 MHz, or 400 million oscillations per second.