Have 2 DRAKE 1 TV-42-LP LOW PASS Filter ALUM. 100 watts says 52 ohm on each end.For operating below 30 MC. 2 This one is copper with 2 holes in the back that have 2 screws in them dont know what they are for. This one says 62 ohm on each end dont know what the watts are. Make offer 73s.op: