Omni-6 Ver-1 upgrade, all filters ( 288, 285, 282, 217 ) SN 07a10026, Reference xtal and TCXO board was replaced, aligned etc in July of 1999 by factory. Works great, very few hours. (I use my Pegasus 90 per cent of the time). I am selling most of my rigs to " down size" the radio room. Asking $1200.00. Pete, K2PC k2pc at adelphia.net