The A221 Smart Antenna is ready to use right out of the box. The default settings are:
- differential source: WAAS (SBAS)
- units: metric
Tag: A221
Hemisphere A221 Base Operation Notes
This document provides the following base station information for the A221 Smart Antenna:
- Things to know about A221 base station operation
- Ensuring you are using ellipsoidal height in your reference coordinates
Hemisphere A221 User Guide
The A221™ Smart Antenna offers fast, portable, professional-level differential GPS (DGPS) accuracy in a rugged, all-in-one enclosure. Powered by Hemisphere GPS’ powerful dual-frequency Eclipse® OEM board, it delivers *2 – 50 cm accuracy, depending on the differential source used.
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