I have BRAND NEW (Just came in today) 7ch Dual Conversion Airtronics receivers part #92777 with crystals $49.95 each. They work great with Multiplex TXs ;) We sell Airtronics as well as Multiplex I bet you did not know that! Channels that came in 23 24 26 29 30 32 33 34 36 49 53 55 56 57 59 60 FIRST COME FIRST SERVED! We will no longer sell PPM receivers now that IPD is on the market. Smooth Sailing, Karlton Spindle http://www.MultiplexRC.com RCSE-List facilities provided by Model Airplane News. Send "subscribe" and "unsubscribe" requests to [EMAIL PROTECTED]