Arm yourself with the right tools.

It is clear from listener feedback that half the fun of workingwith antennas is the experimental aspect. Remember, there area variety of useful antenna accessories that can make the businessof antenna construction easier. With the right instrumentationone can determine the antenna's resonance frequency and impedance,or the velocity factor and proper length of coaxial cable.

Classic antenna texts such as those listed in Appendix 1 suggestthe use of grid-dip oscillators, noise bridges and frequency countersto tune and adjust antennas and feedlines. To be sure, these devicesare basic tools in the kitbag of the experimenter. However, MFJEnterprises, Inc., has done some creative packaging of severalantenna measuring devices into portable solid-state packages thatmay be powered by batteries. It obviates the need to drag extensioncords and several "boxes" into the back yard or ontothe roof when checking antennas. In 1995, prices range from US$80to US$230. As models, features and prices are forever changing,it pays to check with the company for the latest offerings.