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For example, if the instrument of authorization states sunrise as being at 5:30am local standard time in April, the station does not require PSRA operation since sunrise time is prior to the 6:00am rule. When the clocks advance, this becomes 6:30am
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Between the first Sunday in April and the end of the month of April, Class D stations will be permitted to conduct pre-sunrise operation beginning at 6 a.m. local time with a maximum power of 500 watts (not to exceed the station's regular daytime or
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At sunset, Class D stations must sign off if they do not possess a nighttime license. PSSA operation allows the station to remain on the air an additional two hours at reduced power level determined by several factors:
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On
February 25, 1981, the FCC determined that there were no detrimental effects to clear-channel stations in remote areas, therefore, they permitted even more stations to apply for authorization.
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As of 2007 (when the new US daylight saving times went into effect), the FCC instructed licensees to use the April advanced times when DST goes into effect in March.
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PSSA operation must cease at local sunset time for the closest co-channel Class A located west of the Class D station.
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Applications for PSRA and PSSA operation are no longer required. The licensee must merely notify the FCC.
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At 6:00am local time, stations may power up using the station's daytime antenna (if applicable).
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interference to clear channel stations, so only a handful of stations were permitted to apply.
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There are no specific provisions related to daylight saving time within PSSA operation.
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stations with service into the evening where they would otherwise be required to
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The first presunrise authorizations came from a proposed rulemaking in 1967 (
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using a power level higher than what would normally be permitted prior to
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The power level for both PSRA and PSSA service cannot exceed 500
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Class D stations west of a co-channel Class A do not qualify.
16:"PSRA" redirects here. For the United States federal law, see
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FCC Radio and
Television Rules 47 CFR Part 73 (Official)
222:, 8 FCC 2d 698 (1967)). There were major concerns of
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87:times are provided on the licensee's basic
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220:Operation by Standard Broadcast Stations
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259:FCC Rules and Regulations (unofficial)
26:People's Socialist Republic of Albania
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118:Provided the locale participates in
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187:Whether the station is on a
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24:from 1946 to 1992, see
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224:skywave
214:History
81:Sunrise
73:Class D
67:/after
65:sunrise
31:In USA
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59:on
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