Engineering report doesn’t demonstrate ‘destructive pattern of in...
Engineering report doesn’t demonstrate “destructive pattern of interference” between DTV signals of WHRO-DT Norfolk, Va., and WBOC-TV Salisbury, Md., former said in FCC filing. Md. station had charged that, because of unexpected propagation of DTV signal, unacceptable number of…
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its viewers were affected by new interference (CD Aug 20 p9). WHRO-DT said tests showed that same number of viewers had unacceptable interference before DTV broadcasts were begun as after. It said that “regretfully” stations hadn’t been able to reach agreement on dispute, despite engineering study. Report by Wallace & Assoc. said there appeared to be some anomalous propagation effects, such as seasonal ducting, but other factors such as misoriented TV antennas caused most of problems and requiring WHRO-DT to change channels or reduce power wouldn’t help.