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A New Use for Shortwave Frequencies
- Thread starter davideduardo
- Start date
Definition from the FCC website:
"A subcarrier, known also as Subsidiary Communications Authority or SCA, is a separate audio or data channel that is transmitted along with the main audio signal over a broadcast station. These subcarrier channels are not receivable with a regular radio; special receivers are required. Subcarriers are used for many different purposes, including (but not limited to) paging, inventory distribution, bus dispatching, stock market reports, traffic control signal switching, point-to-point or multipoint messages, foreign language programming, radio reading services (see the Policy Statement and earlier MO&O and NOI in MM Docket 87-9), radio broadcast data systems (RBDS), station control and meter reading, utility load management, and muzak. A broadcast station may transmit more than one subcarrier signal. Licensing of subcarrier operations ended in 1983 when the service was deregulated."
I have never liked the Cuban based programming from Radio Havana Cuba, especially their Esperanto broadcast. Although "Sonido Cubano" is an excellent resource for the latest in Cuban music. However, I prefer listening to Radio Marti because it speaks to Cubans on their issues and on how they feel about what's going on in the world.
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