Last call for my Inrad 600 Hz CW, 4 pole crystal filter for the Orion. It is designed for the 1 kHz slot in the Orion, and per Inrad, will improve the close-in dynamic range by up to 13 dB. The price is $45, and that includes shipping to the 50 US states. Please e-mail me directly. PayPal is preferred. Thanks, Jack, KE4ID