I searched the archives and didn't see this one. Is the notch filter on the to-do list for the second receiver? I assume it'll follow when the separate NR and NB are implemented. Thanks. Forrest WA3FAE -- View this message in context: http://n2.nabble.com/K3-KRX3-notch-tp1380786p1380786.html Sent from the Elecraft mailing list archive at Nabble.com.