A transmission time is scheduled for the selective call message by a selective call system controller (12').

Each simulcast scheduler (45) can also function as a selective call terminal for a local selective call system.

A selective call system (100) has a plurality of base sites (120-124) for communicating with a plurality of selective call receivers (108) with acknowledge-back capability.

A selective call system, such as a digital paging system, which is able to provide a faster message service than is possible with a standard protocol.

Very high frequency radios with digital selective calling

Digital selective-calling system for use in the maritime mobile service

Digital selective-calling system for use in the maritime mobile service.

A method and system for selectively paging user equipment in a communication network is disclosed.

Digital selective-calling system for use in the maritime mobile service.

Recommendation ITU-R M.493-14 (2015): "Digital selective-calling system for use in the

ITU-R M.493 - Digital selective-calling system for use in the maritime mobile service

A selective call system in which base stations (BS1, BS2) transmit address code words at a predetermined data rate.

Digital selective-calling system for use in the maritime mobile service.

Digital selective-calling system for use in the maritime mobile service

If you´ve recently purchased a new VHF radio for your boat, it is probably equipped with a Digital Selective Calling (DSC) feature that allows selective calling on VHF Ch 70.