There is something there, more or less, but their encoder is not configured yet. It has PSIP data for only 38-1 and 38-2. Putting Decades there would be a logical move.
As of late, CBS has been adding MGM-distributed diginets (Comet, Charge!, Light) to new subchannels on their CW/MyNet/Independent stations. Don’t be surprised if one of those ends up on 38.3.