COMPASS sounds pretty chirpy….

Last night I went out with my FT-817 and a little voice recorder and tried to pick up COMPASS and CUTE on 437.275Mhz as they passed over my location. I had been told that compass sounded a bit chirpy, and indeed, there was no mistaking it when I heard it: each code element ranks up in frequency. Still, it wasn’t hard to figure out that it really was COMPASS:

COMPASS Recording