Some PBS TV affiliates used to carry NOAA weather radio on their SAP channel when it wasn't being used for TV programming.
Only Portland Broadcasting used to carry their Golden Hours radio reading service over their SAP (had previously been on their 67 kHz subcarriers) when not playing "described video" programming. OPB spun Golden Hours off in IIRC May 2008 because the new management considered it "subversive" as being representative of all of Oregon, it contradicted Metro's then-new "Portland First" city-state sovereignty ideological silliness and had to be suppressed. But then, OPB have always been sort of an anomaly anyways.
KPXG relayed KIG98 via SAP, then later the Salem NWS station whose call letters I forget. They may or may not still be simulcasting NOAA via ATSC. They weren't when I last checked it about 10-12 years ago.
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