FCC Modifies DTS Rules for ATSC 3.0 Flexibility
WASHINGTON—The FCC released an update to its DTS (distributed transmission system) coverage rules to expand the permissible range of signal spillover and replace the subjective “minimal amount” language used to describe spillovers as a way to promote ATSC 3.0 reaching its full potential.
The change gives broadcasters more flexibility in placement of DTS transmitters. For UHF stations, the rule change mandates that the 41 dBu F(50,50) contour for each DTS transmitter in use does not exceed the reference station’s 41 dBu F(50,50) contour. The corresponding values for low VHF are now 28 dBu and for high VHF 36 dBu.
The Report and Order, adopted Jan. 13, explained that the agency’s actions are intended to afford “broadcasters greater flexibility in the placement of DTS transmitters …” that will “allow them to enhance signal capabilities and fill coverage gaps, improve indoor and mobile reception, and increase spectrum efficiency by reducing the need for television translator stations operating on separate channels.”
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Posted in ATSC News
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