Perhaps one advantage of constructing this antenna by the radio operator himself is the over-all cost of the unit. All of the materials used in this model are readily available at hardware stores and can be bought cheap. In comparison, a commercial version of this antenna costs more than a thousand pesos! This antenna model WA-2 is designed to operate in the 140-150 MHz VHF band. It exhibits an SWR of less that 1.5:1 over the entire band if properly tuned. It has a gain of 1.8 dB over a standard dipole reference.