Being as I am a radar expert, I can assure you, there are different kinds of radars, and literally bunches of them. I mean bunches. I suspect it’s air defense radar, of which there are probably many. One down, 50 to go. Probably used Wild Weasel tactics with HARMs.
One of their many types of missiles requires initial guidance from a radar unit?? (Just guessing):
https://news.yahoo.com/anti-ship-missile-arsenal-houthis-014026682.html