Selling: Orion II, Serial Number 02C10116, Frimware 2.039d. Mint (no marks, scratches, dents, dings, etc). Absolutely non-smoking. Includes Ten Tec 600 Hz, and Inrad 250 Hz roofing filters. Shipped & insured UPS Ground to lower 48. $3200. Please respond off-net. Regards, Tom KJ2M