What are transmissions?

Some articles on transmissions, transmission:

Squarial - Modification
... Once transmissions ceased from these satellites, Squarials could be used to receive broadcasts from the French terrestrial relay satellites at 5.0°W ... BSB's alternative dishes have also been used successfully to tune into modern broadcast transmissions, whilst testing has been limited, analogue transmissions from the Astra and Hotbird satellites are reported to have ...
Subaru Legacy (fourth Generation) - Specifications - Transmissions
... All automatic transmission models include Sportshift manual gear selection mode ... unique settings for engine control unit (ECU)/ Transmission control unit (TCU) ...
List Of Interstellar Radio Messages
... IRM projects The Morse Message (1962) Arecibo message (1974), one transmission to Messier 13 Cosmic Call 1 (1999), four transmissions to nearby Sun-like stars Teen Age Message (2001), six ... In addition, the transmission rate was very high, about 128 kbit/s, for such moderate transmitter power (about 18 kW) ... they were encoded into binary, packaged and tested before transmission", but nobody explained why he hope that such encoded and packaged text will be understood and ...