The PG-A1 was designed to accompany the Topcon modular receivers such as the Legacy-E, Legacy-H and Odyssey-RS.

Topcon continues it's lead in GPS technology with the compact and ultra-rugged PGA antennas. These high precision GPS micro centered antennas are an exciting addition to the complete line of Topcon GPS products and are available as either a standard dual-frequency, dual-constellation antenna (PG-A1) or with the addition of integrated UHF (PG-A2).