Hi, I am offering the following for sale: 1. Paragon in excellent condition recently at Ten Tec and completely gone over. 2. RS232 Board interface. 3.Ghiel Chip installed and original Ten Tec Chip loose 4. 250Hz, 500Hz & 1.8Hz Ten Tec filters. Includes factory box and manual $850 shipped CUS 73 de Bill N2WF