Introduction to RPAS – Communication Data link
Data link is the term used to describe how the RPAS command and control information is sent and received both to and from the GCS and autopilot. RPAS operations can be divided into two categories: radio frequency line-of-sight (LOS) and beyond line-of-sight (BLOS). Line-of-sight (LOS) operations refer to operating the RPAS via direct radio waves. [...]