A Buddy of mine bought one of these, https://www.hamradio.com/detail.cfm?pid=H0-012171 Instead of separate bandpass filters. I know what it says it does, but I have not been able to find any spec's on it anywhere. Like what the attenuation curves are for each position. Anyone? Joe WB9SBD -- Sig The Original Rolling Ball Clock Idle Tyme Idle-Tyme.com http://www.idle-tyme.com