PowerFLARM Manual Version 1.0
should be located over or immediately alongside the antennas.
The antennas must not be subjected to physical pressure (e.g.
cockpit windscreen) and may not be bent.
If a second FLARM communications antenna (used
for reception of FLARM signals only, not included)
should be connected to socket B, it must be located
at least 1.5 metres from the unit.
Alternative offset antennas, external antennas and antenna
extension cables (50Ω on normal SMA) can be obtained from
retailers. An externally mounted antenna must be properly
earthed with the aircraft. The installation must be within a Zone
2A or 3 as defined by DO-160/F Section 23.
GPS-System
The GPS system in PowerFLARM is subject to the limitations
found in typical GPS applications. The system is not certified for
aviation use.
PowerFLARM will not work without adequate
reception.
PowerFLARM can be operated using both the GPS antenna
within the housing and with an external GPS antenna (not
supplied) connected to the MCX socket. Connecting an external
antenna automatically deactivates the internal antenna.
Operation with an internal Antenna
When operating with the internal GPS antenna, the unit
presentation must be unhindered to the sky ahead and sides.
Further, the upper side of the unit must not be covered.
Operation with an external Antenna
The antenna should be located in an upright position such that it
has an unhindered presentation to the sky, including when the
aircraft is in a turn. There should be no electrically conducting
surfaces (e.g. metal, carbon fibre) over or immediately alongside
the antenna. Ideally, the antenna will sit atop the instrument
panel coaming. Conducting surfaces under the antenna may have
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