Trimble Tripod Adapter Plate The Trimble Tripod Adapter Plate (P/N 44092) is a mounting accessory designed to securely attach a  radio antenna mast or range pole to a standard surveying tripod. Built for dependable field performance, it provides a stable platform for GNSS base station and external radio antenna setups in surveying, construction, and geospatial applications. Key Features Mounts a radio antenna mast or range pole securely to a standard surveying tripod. Provides a stable platform for GNSS base station and external radio antenna installations.