HAARP (High-Frequency Active Auroral Research Program) is a high-powered radio transmission research facility in Alaska jointly operated by the US Navy, Air Force and several universities; a BIG particle gun.
RCON is a text based protocol completely unrelated to the Source RCON protocol. It is designed with readability, ease of implementation, and human usability in mind.
rcp rcp stands for the Unix 'remote copy' command. It is a command on the Unix-like operating systems that is used to remotely copyâto copy one or more files from one computer system to another. It uses rlogin for data transfer and uses the same mechanisms for authentication as rlogin.