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Preliminary - Subject to Change Without Notice
6. Equipment Installation
6.A
Bonding Connections
6.A.(1) Antenna Coupler Bonding Connections
The importance of properly bonding the KAC 1052 Antenna
Coupler to the airframe can not be over emphasized.
Good RF bonding of the KAC 1052 Antenna Coupler to the
aircraft fuselage is essential in achieving maximum
efficiency from the system and minimizing interference
with other systems in the aircraft.
The primary bonding path is through a ground strap from a
ground post on the KAC 1052 to a point on the airframe
near the antenna feed point. More than one ground strap
can be used. Additional grounding is achieved via the KAC
1052 mounting tray and mounting shelf. The shield of the
coax also contributes to the overall bond of the KAC 1052
to the airframe.
6.A.(2) Bonding Strap Considerations
Make bonding straps as short as practical and installed
in such a manner that the resistance of each connection
does not exceed 0.003 ohms. The straps must not interfere
with moveable aircraft elements, such as surface controls,
nor should the movements of these elements result in
damage to the bonding straps.
The bonding strap should be made of a solid conductive
material rather than braid. Strap thickness should be
0.010 inches or greater. A one inch wide silver plated
copper strap, available from Honeywell, is recommended.
P/N 047-06261-0036 is a 36 inch length of the strap.
6.A.(3) Bonding Connection and Corrosion Prevention Techniques
Because the mounting surfaces are an important part of the
ground system, bonding between these surfaces requires
special attention.
Revision 0
10640I00.SLK
N
KHF 1050 SYSTEM INSTALLATION MANUAL
23-10-09
Page 2036
Mar/2003
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