Wright-Patt area Caught Motown 2 on Thursday AM on 311.0, was calling OVERTIME and I caught part of what sounded like an EAM. Also had Bison 31 w/Buckeye control on 349.4 inbound Wright-Patt. On Friday caught unknown Unid calling OVERTIME again on 311.0, once around 10A local and again around 1900 local two letter EAM?? was GN.