Hello folks I have been tempted to buy one of the MFJ259C Impedance Analyzers and have heard some folks have a 'mod' to get it to work at 630-meters. Is this true that there IS a modification to extend the low-frequency range a bit. If so, I'll buy one and get busy working on some antennas . . . 73 Dick/w7wkr and wb2xsh-26 at CN98pi