Another way Amateurs communicate is through digital modes. Digital Modes allow the transmission of voice, text, videos, files, even access to the internet. Digital Modes use the radio to transmit data, which is interpreted by a computer or “smart” radio. These Digital Modes are growing increasingly popular, as they occupy less space, and allow for higher range and lower power.
Phase Shift Keying (31) Recorded on 14.070.15 as heard from W4DTB