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AXYS offers many telemetry options for monitoring and collecting remote environmental data. Data can be sent in virtual real time and clients are able to specify their preferred telemetry option.

Satellite

Inmarsat: IsatData Pro & IsatM2M

Telemetry Inmarsat is a high orbit geostationary satellite telemetry system operating in a ±60° latitude. The Inmarsat system consists of four communications satellites backed up by an additional five satellites that can be brought into use in the event of technical difficulties or high traffic. There are a number of different bandwidth telemetry services available through Inmarsat.

IsatData Pro offers a higher bandwidth than the Isat M2M service, with 10Kb upload and 6Kb download. Isat M2M is used for low bandwidth messaging and platform position monitoring. Both IsatData Pro and Isat M2M are capable of providing alerts along with regular data transmissions, and can be either pre-programmed or remotely triggered to send automatic messages. This transmitted data is archived on a database and available for secure client access.

AXYS is a service provider for both IsatData Pro and Isat M2M.

 

Iridium

Iridium Satellite uses a dedicated constellation of 66 low-earth orbiting (LEO) operational satellites and 14 in-orbit spares positioned at a height of approximately 780km. The satellites orbit from pole to pole with an orbit of roughly 100 minutes. Short burst data packets are transmitted to the nearest satellite and received by a gateway on earth, either directly or via another satellite in the network, and delivered to the DMS software in email format. Iridium’s two-way service avoids multiple redundant transmissions by acknowledging that data has been sent. This system is best suited to situations where large amounts of data need to be transmitted, as airtime is charged by the minute.

AXYS is a service provider for Iridium Satellite.

ARGOS        

The Argos (Advanced Research and Global Observation Satellite) system is comprised of low orbit, non-geostationary satellites. Argos satellite telemetry is a limited data communications solution for use in remote locations where VHF or cellular telemetry are intermittent or unfeasible. This telemetry option is controlled through NOAA and there are some restrictions to applications and users; users need to apply for the service.

GOES

GOES (Geostationary Operational Environmental Satellite) is a geostationary satellite system that provides 24-hour coverage and is generally used by governments and institutions. Interested persons must apply for its use, as there is limited access to this system. There is a cost associated with the purchase of the transmitters but the data collection is free, provided that the data is distributed on the Global Telecommunications System (GTS). GOES communications is one-way only.

ORBCOMM

The ORBCOMM (Low-Earth Orbit Satellite) system uses a network of low-Earth, near-polar orbital satellites for data and messaging communications services. ORBCOMM provides tracking, monitoring, and messaging capabilities to and from anywhere in the world, and there are no restrictions to applications or users. The system operates by transmitting the data packet to the ORBCOMM satellite, which then relays the message through one of four U.S. Gateway Earth Stations (GES). The data is then sent to the Network Control Center (NCC) via satellite link or dedicated terrestrial line. The NCC routes the message to the final addressee via e-mail, dedicated telephone line, or facsimile. Messages originating outside the U.S. are routed through international Gateway Control Centers (GCC) in the same manner.

 

Cellular

HSPA Cellular (compatible with GPRS)

Cellular telemetry offers high bandwidth, two way communications for deployments within coverage areas. AXYS clients are required to subscribe to a data plan with a local service provider. The two way telemetry is a preferred choice for near-shore deployments..

 

Radio

VHF/UHF

Radio telemetry is one of the most common methods of transmitting data from remote inaccessible installations, (water or land). Radio telemetry requires a clear line-of-sight between the monitoring system and the base station for distances up to 30 km. While antenna positioning, gain, tuning, and ambient noise can adversely affect range, our systems can be configured to send multiple transmissions to ensure a consistently high data throughput.

 

Data Logging

AXYS products include an internal data logging option. This can be used as either a backup system in the event of marginal telemetry conditions or as a stand-alone feature. Data sampled by the system is logged onto a large capacity Compact Flash (CF) Card.