Originally Posted by JRC Support
are 28ft long. The couplers job is to match signals. If the lead wire is 25 feet long and the antenna
is another 28 feet long, then the coupler is trying to match the RF to a 52 foot long antenna. That just isn't ever going to happen.
While many whip antenna's may be in that area of length, many backstay antenna's are much longer than that and the at-130 will have no problem tuning a 52' or longer antenna as long as it is not a 1/2 wave multiple of the disired frequency.