100 KW MW NEC-MB-121B High Power Transmitter at Alleppey was formally inaugurated on 17th July 1971.Later on this was replaced and upgraded with a 2x100 KW BEL Transmitter Type HMB140 , commissioned on 15th April 1999. This High Power Transmitter is a Relay Transmitter of Primary Channel of Capital station AIR,Trivandrum.
The AIR establishment at Alleppey is spread over two sites. The office block and 11 staff quarters are situated in a site at Pathirappalli, measuring 1.349 acres of land. . The Transmitter building and other ancillary buildings, mast, feeder lines etc. are located in another site at Kalavoor, two kilometers towards North of Pathirappalli Office along NH 47.
Source : M.Goury, DDG(E)