Hemisphere GPS A222, Руководство пользователя

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A222 User Guide Chapter 1 - Introduction
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Introduction
Overview
Hemisphere GNSS’ all new scalable A222 was designed to excel in challenging environments, and is ideal for
use with various applications, including precision agriculture, machine control, construction, mining, and marine.
The A222 is a multi-GNSS RTK, high accuracy GNSS receiver that allows you to work quickly and accurately.
Built on Hemisphere GNSS’ Eclipse™ platform, A222 boasts the latest GNSS patented technology and offers
quick startup and reacquisition times.
The A222 can be updated by adding L1/L2 GLONASS activations and subscriptions for Athena RTK and/or Atlas
L-Band. Athena RTK is Hemisphere's most advanced RTK processing software that can be added to the A222
as a subscription service.
Note: Throughout the rest of this manual, A222 Smart Antenna is referred to simply as A222.
Figure 1-1: A222 Smart Antenna
A222 is a versatile smart antenna with several first-class features:
• Utilizes Hemisphere’s Athena GNSS engine
• Atlas support over L-Band corrections
• Environment-proven enclosure for the most aggressive user scenarios
Athena RTK has the following benefits:
• Improved Initialization time. Performing initializations in less than 15 seconds at better than
99.9% of the time
• Robustness in difficult operating environments. Extremely high productivity under the most
aggressive of geographic and landscape oriented environments
• Performance on long baselines. Industry-leading position stability for long baseline applications
• Performance under scintillation. Sustained accuracy under ionospheric scintillation activities, in
high scintillation-affected areas
• Atlas L-Band is Hemisphere's industry leading correction service, which can be added to the
A222 as a subscription