Grounding Recommendations
B-4 Appendix B: Grounding and RF protection 98-137654-A
mounting bolts and seal the joint with protective coating to avoid
corrosion.
It is always recommended to establish the shortest possible
grounding path e.g. on steel hulls the ADU should be grounded
directly to the hull
2
. However, due to the fact that this is not
possible on e.g. fibreglass hulls (nor is it preferable on aluminium
hulls) a number of alternative grounding methods are suggested in
the following paragraphs.
Figure B-2: Grounding the ADU
Antenna bottom
Mounting base
M12 bolt
Serrated washer
(stainless steel)
(stainless steel)
Note
For optimum grounding use the mounting bolt located closest to the ADU
cable plate, see Figure 3-20: ADU, bolt for optimum grounding on page 3-20.
2. Please note that the ADU ground connection is made at the same electrical
ground potential as the ACU.
SAILOR100TM.book Page 4 Tuesday, January 29, 2013 2:44 PM
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