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Poseidon
Poseidon is a subsea GPS/GLONASS/GALILEO/BeiDou antenna that is designed for use on underwater vehicles that require the ability to obtain a GNSS fix when surfaced. The antenna is also suitable for marine vessels that are exposed to harsh conditions that are too extreme for a normal GNSS antenna. The antenna is lightweight, compact, corrosion resistant and able to withstand depths of up to 3000 metres. L-Band reception allows reception from services such as Marinestar and Atlas.
3000m Depth Rating

Poseidon is rated for depths of up to 3000 metres, allowing it to be permanently mounted on deep diving subsea vehicles.

Multi Constellation

Poseidon supports all of the current and future satellite navigation systems including GPS L1/L2, GLONASS G1/G2, GALILEO E1/E5, BeiDou B1/B2 and L-Band correction services.  L-Band correction reception allows reception of corrections from services such as Marinestar, Atlas and Veripos.

Compact Design

Poseidon is one of the smallest depth rated GNSS antennas on the market, featuring an integrated, compact and lightweight design. Its miniature connector takes up a very small footprint.

High Performance

Poseidon features a cutting edge RF design, allowing it to achieve high positioning performance under difficult sea conditions. It is able to reject high levels of interference and multipath.

ROVS

Poseidon is ideal for use on ROVs to give them starting GPS position before diving.

AUVS

Poseidon can be installed on an AUV which relies on inertial navigation while under water and returns to the surface to update its position with GPS periodically.

Antenna
Supported Navigation SystemsGPS L1/L2/L5
GLONASS G1/G2/G3
GALILEO E1/E5
BeiDou B1/B2
L-Band corrections
Supported SBAS SystemsWAAS
EGNOS
MSAS
GAGAN
QZSS
Antenna Element Gain4 dBiC
PolarisationRight Hand Circular Polarisation
LNA Gain28 dB
Out-of-band Rejection< 1050 MHz : > 45 dB
< 1125 MHz : > 30 dB
> 1350 MHz : > 45 dB
< 1450 MHz : > 30 dB
> 1690 MHz : > 30 dB
> 1730 MHz : > 40 dB
Noise< 2 dB
Operating Voltage2.5 to 16 V DC
Current Consumption20 mA (typical)
25 mA (maximum)
ESD Protection15 kV air discharge
Hardware
Dimensions67 mm diameter x 23 mm
Cable Length3 m (custom lengths available)
Operating Temperature-40 °C to 85 °C
Weight320 grams
Housing Material316 Stainless Steel
RoHS CompliantYes
ShockVertical 50 g
Horizontal 30 g
Maximum Pressure Rating300 bar (3000 m)
Document
Version
Date
Direct Link
Poseidon Reference Manual
2.0
17/12/2016