Yes FM 78.1 is basically a comedy show based online radio station. The radio has got comedy programs for almost all types of Listeners who also ranges from younger to adult age. Yes FM 78.1 separates their comedy shows for different listeners while broadcasting them at different time.
Yes FM 78.1 official website address is www.yesfm.jp
If the Radio is extremely choppy and stops every 5 seconds, try listen to this Radio at different time.
Not all Radio Stations function for 24 hours everyday. If you can't listen to any Radio, try to listen at different time, as the Radio Station may stop during midnight according to its own country time zone.