Dave Kolesar shares this photo to update us on field testing at all-digital AM station WWFD.
In the background is the Xperi test van and Xperi’s Mike Raide. They’re at the transmitter site in Frederick, Md., where they’ve started another round of HD2 testing on the station at 820 AM.
Kolesar is senior broadcast engineer at WTOP/WFED and program director of the format “The Gamut.” He and Raide have worked together extensively on the digital project at WWFD, as we’ve reported.
[Read: Real-World Tests Make Business Case for MA3]
“The testing is being done to determine coverage of an HD2 MA3 signal, as it’s not quite the same as a main channel, unlike FM HD,” Kolesar told us.
“It involves driving along selected radials and noting where the HD2 audio fails, taking field strength…
