WIRJ is off again, and has been for about a month.
When I last heard them, they were playing a country/western format. About every three or so songs, there was a quick tag about getting the Stringray (or whatever service it was) app for your music. WIRJ is owned by the Warmath family, who also owns the cable television and internet company in Humboldt known as Infostructure/Click1. I don't know the provider for their cable music channels, but wouldn't if be interesting if it was the same, and they simply had a cable set-top box plugged in to feed the audio for WIRJ.
There hasn't been a commercial on WIRJ in years, much less a legal ID. They used to have an automated ID around the top of every hour, but I haven't heard that in several years.