New range to provide a reliable method for distributing GPS timing signals from a single antenna
Madley, UK. 3 May 2016. ETL Systems, a global designer and manufacturer of RF equipment for satellite communications, has announced the launch of a new range of products for Global Positioning System (GPS) and the broader Global Navigation Satellite System (GNSS) applications.
The new range includes outdoor and indoor GPS over Fibre Outdoor and GPS Splitter units, which provide a reliable method for distributing GPS timing signals from a single antenna.
“For organisations and industries such as financial institutions, media companies, satellite earth stations, base stations, television broadcast, security and military, precise time on computer systems is a must,” said Andrew Bond, Sales Director at ETL Systems. “Networks of computers need to be synchronised to the same time so that events occur in an organised, predetermined manner and so applications such as data-logging, monitoring and control can be relied upon.”
GPS is much more accurate at timing signals than radio based time transmissions. A GPS locked Network Time Protocol Server (NTP) – the most widely used protocol for the dissemination of time on computer networks – is a network appliance designed to obtain precise time from the GPS satellite positioning system and synchronise a network of devices. The device ensures that accurate timing is provided to servers, workstations and communications network infrastructure.
ETL’s GPS over optical fibre distribution system is a cost effective solution, which allows GPS antennas to be located on a roof where they can have a clear view of the sky and the receiver to be located in a separate location, such as in a server network room.
“Traditional coaxial cable that runs between a GPS antenna and receiver can often be 200 metres long and require an amplifier to boost the signal level into the receiver,” Mr. Bond added. “A fibre solution negates the need for these extra devices and can also be advantageous in more inaccessible situations where coax is not suitable, such as already tightly packed cable ducting.”
ETL’s StingRay GPS over Fibre compact and weatherproof outdoor transmit unit is housed in an IP65 rated weatherproof enclosure and is designed to be mounted close to an antenna. The receive indoor unit can house up to 4 hot-swap GPS over fibre modules, each with a -20dB monitor port to measure input signal levels. The chassis provides resilience with dual redundant, hot-swap power supplies and local and remote control and monitoring, with a web browser interface.
The GPS range of splitters provides a compact solution to passive splitting of the GPS signal and can be used for redundancy by combining signals from multiple antennas in to a single channel, or splitting the signal from a single antenna.
For further information about ETL Systems, please visit http://www.etlsystems.com.
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About ETL Systems:
ETL Systems is privately owned and has been designing and manufacturing RF equipment since 1984. Its growing global presence accounts for 80 per cent of its total exports from the UK, where ETL is based.
ETL designs and manufacture professional RF distribution equipment for satellite ground stations and other microwave users. The product range includes L-Band Routers, Switches, Splitters, Combiners and Amplifiers covering DC-40GHz. Reliability, resilience, and RF performance are the core customer requirements which drive ETL’s product innovation and development. Adaptability and scalability combine with these to provide future expansion.
With its dedicated in-house engineers based in Herefordshire, UK, ETL Systems has seen an average growth of 20 per cent in the last five years and has won three Queens Awards for International Trade.