Jinx wrote: >> How far away from the antenna must she get to lose the audio ? > > Good question. Don't know. Poor answer Another question... Only inside the house, or also around the house? Blindfold her or have her close the eyes to make her focus on the ears (blindfolding is better) and walk her around, trying to get some idea of when it gets stronger and when it gets weaker. Maybe a good microphone and an audio spectrum analyzer help? Gerhard -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist