SoftWright, a GSA contract holder, is the developer of the Terrain Analysis Package (TAP™) PC-based terrestrial RF propagation software. TAP™ is used by federal agencies, state/local public safety departments, energy companies, utilities, and consultants to evaluate radio transmitter sites; predict, map, and analyze radio coverage; plan land mobile radio and cellular systems; conduct intermodulation and adjacent channel interference studies; and design microwave, VHF, and UHF links.