b service meaning

• [Electronics]
  A teletype communication system operated by the Federal Aviation Administration (FAA).
  

• be of service:    [American idiom]to ...
• in service:    1. In use or opera ...
• in-service:    Adjective: in-serv ...

Examples

1. b service development and liaison-to promote social services development, facilitate experience exchange and participate in welfare planning
2. The B service number series was issued from 1965 to 1971.
3. Category B services encompass both pay television and specialty channels.
4. Unlike Category A services, Category B services are not protected as to format.
5. APS RTC runs bs services from Tallapudi, Malakapalli and Gajjaram Bus Stations to Ballipadu.