Installation
Continued Airworthiness
96 Transceiver Family 620X DV14307.03 Issue 04 March 2016
Antenna VSWR exceeds 3:1.
Possibly caused by a defective,
or insufficient counterpoise for
the antenna.
Check for sufficient size of the
counterpoise and make sure there
is no mechanical defect on the
antenna.
The impedance of the antenna
cable deviates significantly from
50
Ω.
Make sure the used antenna cable
has 50 Ω impedance and the cable
is not bend or kinked on its way
from the radio to the antenna
Defective BNC connectors on the
antenna cable.
Check for proper crimp/solder work
on the BNC connectors and rectify
as far as necessary.
2.15. Continued Airworthiness
The 620X family maintenance is defined as "on condition" only. No scheduled or regular maintenance
of this product is required.
It is recommended to check the frequency accuracy of the airborne transceiver after 7 years.
To Next Page
Loading...
