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2070 DVOR has been introduced to the Fernau range to provide customers with
a world class en-route and terminal area location beacon. |
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 State
of the Art |
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The 2070 DVOR incorporates
the most modern technology to create a safe, reliable and cost effective
solution to meet DVOR requirements for today and well into the 21st Century.
Utilising the latest component technology, the 2070 DVOR provides a fully
solid state dual system, comprising a single equipment rack with two transmitters
and two monitors, externally mounted antenna distribution units and comprehensive
Remote Maintenance Monitoring System (RMM). The 2070 DVOR performance
meets or exceeds all relevant standards and recommendations specified
in ICAO Annex 10 (including all amendments). |
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| Reliability |
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Fernau has placed
particular emphasis on reliability and maintenance aspects during the
development of the 2070 DVOR system. The use of the latest technology
and reliable components has set new standards in reliability and maintainability.
With BITE on all LRU (Line Replaceable Units), preventative maintenance
is a reality and maintenance monitoring provides the key to reduced operating
costs. |
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| Remote
Maintenance and Monitoring (RMM) |
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The 2070 DVOR has an integrated, comprehensive Monitoring and Maintenance system, which would typically comprise two units, one ‘Outstation’ at the DVOR and one ‘Master Station’ located at the air traffic control centre - connected via a single pair telephone line. Data is displayed on these local and/or remote PCs and can, if required, be transmitted to other PCs in the airport and/or to the Fernau offices in the UK. The system provides fault diagnostics to LRU level, remote display of operating parameters, monitoring of test functions, event logging/trend analysis and a field monitor self-test facility. The RMM system has a number of display screens showing operating parameters, overall system status, LRU status, alarm limits, diagnostics and test, amplifier status, transmitter control status and many more. The history logging
facility allows the maintenance engineer to judge the optimum time to
effect the repair, before failure or shutdown occurs, whilst the LRU status
screen indicates which module is faulty. |
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| Flexibility |
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The
2070 DVOR is designed to operate in all weather conditions, with a range
of up to 250 nautical miles. The 2070 DVOR is available in a variety of
configurations including stand-alone, single transmitter, solar powered
and transportable. The 2070 DVOR is also available in CVOR configuration
(type 2055 CVOR). The 2055 CVOR is fully upgradable to DVOR and offers
the same level of remote control and maintenance monitoring. |
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| Maintainability
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modules are keyed, plug-in and accessed from the front of the DVOR cabinet.
By using the RMM system for fault identification, a typical repair (MTTR)
would take less than 15 minutes. The BITE system continually monitors the
DVOR and gives an alarm indication in the event of a module failure or system
transfer, thus ensuring the early and efficient provision of the correct
spares to site. The 2070 DVOR allows for the “hot” replacement
of modules, which means that the equipment remains operational even while
a module is being replaced. Furthermore, a high degree of signal accuracy
and stability has been achieved in the design of the 2070 DVOR, therefore,
the interval between routine flight check periods can be greatly extended
when compared with CVOR (five years and six months respectively). |
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Full
remote control of the 2070 DVOR can be performed from a remote location,
on airport or further airfield, via the RMM PC. In addition to on/off/changeover,
control functions include power level, 9960 Hz FM modulation depth, alarm
limits and ident. |
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| Antenna |
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antenna array comprises the single carrier antenna and the 48 side-band
antennas, these being divided into two groups of 24 (‘odd’ and
‘even’), each group being switched by a distribution switch mounted
above the equipment rack. The antenna changeover unit fitted in the equipment rack, under control of the monitors or manually, switches the carrier and side-band antennas from one transmitter to the other or vice-versa. Two monitor antennas normally feed the monitoring modules in the equipment rack. All antennas are lightweight, rugged and fully waterproof and come with a range of mounting adapters to suit all sites. Obstacle lights and lightning rods are available as optional extras. |
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| Counterpoise |
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The
counterpoise is a hot dip galvanised metal support and frame structure with
galvanised steel wire lattice, of which the material and construction is
robust and strong enough to withstand wind speeds of up to 200 km/h. A variety
of heights are available to meet site requirements and where appropriate
the lattice can be cast into concrete to form a ground-mounted counterpoise. |
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| Logistic
Support |
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As with all Fernau
systems, the 2070 DVOR is supplied and supported from the Fernau head-quarters
in Luton, UK. This includes all the logistic support functions for the
2070 DVOR; installation, commissioning, training, spares, repairs, PDS,
etc. |
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