The A43 antenna delivers high performance even in tough environments due to it’s superior multipath mitigation and strong SNR’s.
The new A43™ antenna adds precision, reliability, and value to our leading Eclipse™ GPS technology. The A43 antenna is a multi-GNSS precision antenna and is ideal for various applications including construction surveys, RTK positioning and navigation, precise guidance, and machine control. Use the A43 antenna in challenging environments (such as near buildings and foliage) as it has superior multipath mitigation, stable phase center and strong SNR’s even at low elevations.
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Hemisphere GNSS’s A43 antenna is the solution for those who want precision, value and most importantly reliability. With access to Eclipse GPS technology, the A43 is the total package. This is the antenna you can use for construction survey, RTK positioning and navigation, precise guidance and machine control applications.
The A43 antenna is also a multi-frequency, multi-constellation antenna. This allows the A43 to get positions in areas traditional dual freuency GPS, GLONASS antennas would simply not be able to do. With access to GPS, GLONASS, BeiDou, Galileo and SBAS, the A43 has access to the constellations that make getting an accurate position quicker and easier. This is the antenna that helps improve your chances of getting an accurate position. The multi-frequency support also means that the A43 performs exceedingly well even in challenging environments. In high traffic areas, such as those near buildings and heavy foliage, the A43 antenna has superior multi-path mitigation. This means that in spots other antennas would have a difficult, if not impossible time determining a position, the A43 is capable of providing a position. The Eclipse GPS technology also means that the antenna, even at low elevations has strong SNR’s, meaning you can always have a high degree of trust in the corrections you are receiving from the antenna.
The A43 is also the antenna that is built to last in difficult conditions. With an aluminum base and plastic cap, the A43 is built to last. In fact the A43 boasts an impressive IP69K environmental rating and an EP455 shock and vibration rating. This is the antenna that can perform in challenging conditions, and is meant to come out of them in one piece as well. On top of the ability to survive in just about any kind of condition, the A43 also performs in temperatures ranging from -40° C to +70° C. This is the antenna that sees you quit long before it will.
Key Features
GNSS Reception
GNSS Frequency
Power
Mechanical
Environmental
The Hemisphere A43 is a multi-frequency, multi-constellation GNSS antenna designed for high-precision positioning applications. It is suitable for construction surveying, RTK positioning, navigation, precision guidance, and machine control. Its multipath mitigation and stable phase centre make it particularly useful in environments where nearby buildings or foliage can interfere with GNSS signals.
The A43 receives GPS L1, L2, and L5; GLONASS L1 and L2; BeiDou; SBAS; and Galileo E1 signals. Its multi-frequency design allows it to receive signals across multiple frequency bands, while its multi-constellation support gives a compatible GNSS receiver access to more satellite signals when calculating positions.
Yes. The A43 is designed to support RTK positioning and other high-precision GNSS applications. However, it is an external antenna, not a standalone GNSS receiver. You must connect it to a compatible receiver that processes the satellite measurements and uses suitable RTK corrections to calculate precise positions.
Not necessarily. Compatibility depends on the receiver’s antenna input, RF connector, supported GNSS signals, and ability to supply the antenna’s required power. The A43 requires 5–12 VDC and typically draws 50–60 mA. Before connecting it to an existing receiver, verify that the receiver supports these requirements and has a compatible TNC antenna connection.
The A43 is designed with multipath mitigation, a stable phase centre, and strong signal-to-noise performance, including at low satellite elevations. These characteristics can help maintain more reliable GNSS signal tracking in environments where buildings, foliage, and other nearby objects reflect or obstruct satellite signals. They cannot eliminate all interference, so open sky visibility remains important for reliable positioning.
Yes. In addition to GNSS signals, the A43 includes an L-band sensor operating at 1.525–1.585 GHz and a beacon sensor operating at 283.5–325 kHz. These capabilities allow it to receive signals used by certain satellite-delivered and beacon-based correction services. The connected GNSS receiver must also support the relevant correction method, and access to a correction service may require a separate subscription.
The A43 is designed for demanding outdoor environments. It has an IP69K enclosure rating, an EP455 shock and vibration rating, and a specified operating temperature range of -40°C to +70°C. This makes it suitable for field deployments in cold Canadian conditions as well as wet, dusty, and otherwise challenging work environments.
The A43 uses a 1-inch coarse-thread mounting connection and can also be mounted using a 5/8-inch adapter. The listed package includes the antenna, a 1-inch threaded base, and a 5/8-inch adapter, making it easier to integrate the antenna with compatible surveying poles and mounting equipment.
The antenna measures approximately 10.4 cm (4.1 inches) in height and 14.5 cm (5.7 inches) in diameter. It weighs approximately 0.73 kg (1.6 lbs), making it suitable for fixed or mobile GNSS installations where a rugged external antenna is required.
The package includes the Hemisphere A43 antenna, a 1-inch threaded base, and a 5/8-inch adapter for mounting it on compatible surveying equipment. The GNSS receiver and antenna cable are not included, so you will need a compatible receiver and the appropriate cable to put the antenna into operation. A correction-service subscription is also not included and must be obtained separately if your workflow requires one.
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