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iGage iG9 User Manual
with the Base and Rover antenna mounted directly to the heads. (Assuming no other users are on
the same frequency.)
The most common cause of External Antenna Extension Wire failure is the termination on the pole
side adapter due to excessive wind-whipping. The second most common failure is closing the
extension wire in the hinge of the carry case which smashes the cable.
Loose TNC Antenna Connections
The antenna connector can become intermittent and not make a solid connection. If antenna is
over-tightened, then the connection points shown below
can become ‘sprung’ and won’t make
good contact unless the antenna is screwed in even tighter.
This issue is very difficult to diagnose; however, it is very simple to fix.
On the antenna connector bend the grounding sleeves
‘
out
’
to make better contact:
Bending
‘
out
’
the ground contacts on the antenna connector.
On the TNC connector, attached to the bottom of the GNSS receiver, bend the small gold fingers
‘
in
’
to make better contact:
Bending the center contacts
‘
in
’
towards the center.
