Hemisphere GNSS - A21 Antenna

Hemisphere GNSS – A21 Antenna

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The Hemisphere GPS A21 GPS single-frequency antenna tracks GPS L1 signals and supports differential correction services such as SBAS and L-Band services.

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Overview

The Hemisphere GPS A21 GPS single-frequency antenna tracks GPS L1 signals and supports differential correction services such as SBAS and L-Band services. It provides excellent noise rejection and is capable of filtering out an additional 30 decibels of radio band frequencies. Furthermore, the A21 antenna offers enhanced multipath mitigation, which effectively reduces interferences caused by signals being reflected off surfaces such as trees, windows of buildings and ground.

The A21 antenna is specifically designed for Hemisphere GPS Crescent and Crescent Vector II receivers.

Features

  • Support correction services such as SBAS, L-Band (OmniSTAR)
  • Aluminum base
  • Excellent noise reduction
  • Enhanced multipath mitigation
  • Rugged design

Technical Specifications

Channels: GPS L1, L-Band and SBAS
Dimensions: 13.0 cm (diameter) x 7.0 cm (height)
Weight: 0.38 kg
Mount: 5/8-inch female thread
Connector: RF: TNC-Straight
Operating temperature: -40 C to +85 C
Vibration and shock resistance: EP455

Ordering

The Hemisphere GPS A21 antenna delivers accurate results even in harsh environments. The antenna is available through Canal Geomatics. Please use the Request Pricing form to contact us for further information.