Introduction to Shortwave Radio

Shortwave Radio

Shortwave radio, also known as high frequency (HF) radio, is considered by some to be the “first internet.” Shortwave (3 – 30MHz) signals travel great distances (especially at night) and can be tuned to listen to broadcasts originating in other countries, earning shortwave radio the nickname of “world band radio.” Here’s a beginner’s guide to … Read more

The Commradio CR-1a SDR

So I bit the bullet and purchased one of these CR-1a radios from Commradio. The CR-1 is a rugged, small, lightweight, low power, line or internal battery-powered HF (0.5 – 30MHz) receiver. Additional frequency coverage is provided in the LF, VHF, and UHF ranges per specifications. The CR-1 is a true Software-Defined Radio incorporating a … Read more