-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 > Notch eh? I have a 60+dB *step* at 3 kHz in my right ear. Not a >notch, it's a LPF. If we hook our heads in series, can we make a state-variable filter? This may explain why I've had tremendous trouble learning morse code, though it's a moot point in about 72 hours. -----BEGIN PGP SIGNATURE----- Version: PGPfreeware 6.5.2 for non-commercial use iQA/AwUBOPSNZ4FlGDz1l6VWEQKzpgCgxOiCs2gxekosT9OouxDsglUFGgAAoN0Y G9Uwha1sBz5S1x2ThC5tJFkd =oyry -----END PGP SIGNATURE-----