AT504 (GG) Choke Ring Antenna

This International GNSS Service (IGS) Choke Ring Antenna designed by NASA/JPL and machined to Leica Geosystem's exacting standards, features superior multipath rejection with uncompromised phase center stability (<1mm) and is resistant to RF jamming.

The Choke Ring is the required standard for permanent GPS networks around the world. Available with Leica radome for weather protection.

The antenna is available as AT504 (GPS-only) and AT504 GG (GPS/GLONASS) version.