EchoStar DSB-770 FTA User Manual page 16

Glossary
Section 5
Transponder
Vertical
English
5
Page 5 - 2
Equipment inside a satellite responsible for receiving a single
uplinked channel and rebroadcasting it back to Earth.
In the satellite industry, vertical is used to indicate the direction in
which the received signal is polarized. Normally you will find that
it is abbreviated as V.
User Manual
Digital Satellite Receivers - Fixed