The conversation sounded like two hikers in the local state park. The brief conversation I caught was them trying to link up from the white trail to the red trail. One person seemed to know where they were, the other appeared to be unsure where they were.
They didn't have enough power to bleed over the NOAA transmission, I heard them along with the NOAA transmission, they were stepping on each other. This is why I think they were on 162.475 with portables, I can use a 4-watt portable to talk to someone in the state park from my house, but it is very weak from here. I have heard my kids using their radios on MURS at the park while I am at my desk ... then again my kids walk about using Motorola Sabers as their walkie-talkies.