Three Competing Standards
Today, we’ll look at two over-the-air transmission use cases that each spawned three different protocol standards. I’ll include some pattern observations concerning the two sets. First, the obligatory XKCD. The two domains we’ll be analyzing are Ham radio digital voice and first-person-view drone video feeds. Both of these existed in analog form, and then digital alternatives came out and started gaining adoption. Ham Radio Digital Voice Digital Mobile Radio (DMR) D-STAR Yaesu System Fusion (YSF) Analog predecessor: Frequency Modulation (FM) D-STAR was the first of the main three digital voice modes by a long shot, starting development back in the 1990s....