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Nautel CL40 - Antenna Ground

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CL40 Antenna Technical Instruction Manual Page 4-1
Section 4 Tuning Issue 3.0
CL40 ANTENNA
TECHNICAL INSTRUCTIONS
Section 4 TUNING
4.1 INTRODUCTION
The antenna loading coils (part of A1) must
be set to near 90% total system
inductance. The other 10% will be tuned
inside the antenna tuning unit. Table 2-1
lists the tap settings for the antenna
loading coils.
4.2 ANTENNA GROUND
A grounding bolt located on the bottom of
the antenna tuning unit (ATU) takes the
three heavy cables (AWG # 8) from the
antenna ground mat (see section 2, Figure
2-15a or 2-15b) and also from a ground
wire from the ground rod.

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