Scott Veirs|scott at beamreach.org|Self|.|Orcasound hydrophone|2008|06|30|21|20|.|.|.|.|.|.|.|SRs|.|.|.|Interesting wavering calls over a very quiet background. After about 20 minutes, there was 40 minutes of silence, followed by many S2 calls and clicks, starting at ~22:20. Recordings archived at orcasound.net/os