I have an MX-949A/U tube tester adaptor for use with the I-177 tube tester. has anyone adapted this to the TV-7? Any references appreciated. Thanx Lloyd KK7IZ Please visit my web site http://www.lloydsdipsydumpster.com/ Lloyd Godsey KK7IZ 1315 N. Udall Circle Mesa, Az. 85203 480-620-7145 (cell)