My tower is a US Tower HDX-589MDPL. I have a feedline attached to the tope of the base section and out about 21 inches. Checking on 80M with a MFJ 259B it shows R of 24 and X of 302. On 160 it shows R of 0 and X of 134. What can I do to make it work on 160? 73, Jim, W5ODD