Optimized helical antennas for precision positioning

Calian’s quadrifilar helical (HC) technology features a precision-tuned helix antenna element with excellent gain and axial ratio over all elevation and azimuth angles that help to minimize multipath. The antennas feature low-current, low-noise amplifiers (LNA) with an integrated low-loss pre-filter to protect against harmonic interference from high-amplitude interfering signals, providing a high signal-to-noise ratio. With their extremely low weight and their excellent performance without a ground plane, Calian helical antennas are ideal for precise point positioning (PPP) and real-time kinematic (RTK) applications.

Helical antenna family features

Extreme lightweight, ranging from 4 g to 42 g
A novel helical antenna element delivering excellent axial ratio and multipath rejection
Broad GNSS band coverage, including single, dual, triple, and L-band corrections services
Robust, military-grade, IP67-compliant plastic enclosure
An extremely low noise amplifier (LNA) combined with a pre-filter
Ideal design and performance for real-time kinematic (RTK) and precise point positioning (PPP) applications
A certified Iridium model
A choice of housed and embedded models

Calian Helical antenna family

ModelSignals SupportedWeightHorizontal Phase Center VariationAntenna
Connector
Mounting
HC600Iridium Passive24 gN/ASMA2 screws (2.5 mm)
HC600EIridium Passive4 gN/AMCXmounting ring
HC610Iridium Active24 gN/ASMA2 screws (2.5 mm)
HC610EIridium Active4 gN/AMCXmounting ring
HC771L1, G1, E1, B124 g±3 mmSMA2 screws (2.5 mm)
HC771EL1, G1, E1, B14 g±3 mmMCXmounting ring
HC843GNSS/QZSS-L1/L2, GLONASS-G1/G2, Galileo-E1, BeiDou-B1 + Passive Iridium42 g±3 mm SMA3 screws (2.5 mm)
HC843EGNSS/QZSS-L1/L2, GLONASS-G1/G2, Galileo-E1, BeiDou-B1 + Passive Iridium8 g±3 mm MCXmounting ring
HC860GNSS/QZSS-L1/L2, GLONASS-G1/G2, Galileo-E1, BeiDou-B1 + Active Iridium 42 g±3 mmSMA3 screws (2.5 mm)
HC860EGNSS/QZSS-L1/L2, GLONASS-G1/G2, Galileo-E1, BeiDou-B1 + Active Iridium 8 g±3 mmMCXmounting ring
HC871L1/L2, G1/G2, E1, B129 g±3 mmSMA2 screws (2.5 mm)
HC871EL1/L2, G1/G2, E1, B15 g±3 mmMCXmounting ring
HC872L1/L2, G1/G2, E1, B1, L-band correction services42 g±3 mmSMA3 screws (2.5 mm)
HC872EL1/L2, G1/G2, E1, B1, L-band correction services8 g±3 mmMCXmounting ring
HC882L1/L2, G1/G2/G3, E1/E5b, B1/B2, L-band corrections services42 g±3 mmSMA3 screws (2.5 mm)
HC882EL1/L2, G1/G2/G3, E1/E5b, B1/B2, L-band corrections services8 g±3 mmMCXmounting ring
HC976L1/L2/L6, G1/G2, E1/E6, B1/B3, L-band corrections services42 g±3 mmSMA3 screws (2.5 mm)
HC976EL1/L2/L6, G1/G2, E1/E6, B1/B3, L-band corrections services8 g±3 mmMCXmounting ring
HC977L1/L2/L5, G1/G2/G3, E1/E5ab, B1/B2/B2a, L-band corrections services42 g±3 mmSMA3 screws (2.5 mm)
HC977EL1/L2/L5, G1/G2/G3, E1/E5ab, B1/B2/B2a, L-band corrections services8 g±3 mmMCXmounting ring
HC990EGPS/QZSS-L1/L2/L5, QZSS-L6, GLONASS-G1/G2/G3, Galileo-E1/E5a/E5b/E6, BeiDou-B1/B2/B2a/B3, NavIC-L5 + L-Band correction services11 gTBDRG174 cablemounting ring
HC997EGPS/QZSS-L1, GPS/QZSS-L2, GPS/QZSS-L5, GLONASS-G1, GLONASS-G2, GLONASS-G3, Galileo-E1, Galileo-E5a, Galileo-E5b, BeiDou-B1, BeiDou-B2, BeiDou-B2a, NavIC-L5, L-band correction services11 gTBDRG174 cablemounting ring

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