Anyone who’s ever seen the movie “Grumpy Old Men” may not think ice fishing is a sophisticated sport, but angling on “hard water” has gone high-tech.Jon Christenson, a fisheries technician for the Iowa Department of Natural Resources, says electronics abound, including all sorts of depth finders, sonar and even underwater video cameras that shoot back real-time video.Christenson works out of the D-N-R office at Lake MacBride in Solon. He says the underwater video cameras aren’t “cheating” — they have enhanced the sport of ice fishing.Christenson says the high-tech gadgets used in heated well-stocked shacks make ice fishing more like playing a video game — but with real prizes.