Digital Design, Science & Math 

Explore Digital Radio Below 30 MHz!The popularity of HF digital communications among Amateur Radio operators is growing rapidly. A few watts of RF power are all it takes to work the world – digitally!Get on the Air with HF Digital is a step-by-step guide that’ll get you started in the fascinating world of HF digital technology. Written in an easy to understand, conversational style, this book will show you how to set up and operate your own HF digital station. The text includes instructions for configuring software programs for popular modes such as RTTY, PSK31 and JT65. You’ll also learn about other digital communication modes such as MFSK, Olivia and PACTOR. It’s a fun and easy way for beginners to get on the air! Includes:Let’s Build an HF Digital StationExploring the three essential components of your station: a radio, a computer and a device that ties them together.PSK31, RTTY and JT65Hands-on instructions to get started with the three most popular HF digital operating modes today.MFSK and OliviaWith these two modes you’ll still be chatting long after the bands have supposedly gone “dead.”PACTORTo get your message through error free, PACTOR is a great way to go. - from Amzon