Seiwa Si-Tex Vector 3D GPS - Manual (Page 7)

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Vector 3D User Guide
•
Follow VHF radio manufacturers’ recommendations on how to mount their radios and what
devices to keep a safe distance away.
• Handheld 5W VHF radios may not provide suitable filtering.
Before installing the 3D, use the following diagram to ensure there are no nearby devices that my cause
VHF interference.
VHF Antenna
1.5 m radius at top
(minimum)
Use these minimum
distances to determine
where to place the 3D
1.0 m radius at base
(minimum)
Figure 2-1: 3D distance from nearby VHF radios