ETS-Lindgren 3303 Monopole Antennas - Manual (Page 15)

4.0 Assembly, Mounting, and Operation
Before connecting any components, follow the
safety information in the ETS-Lindgren
Product Information Bulletin included with your
shipment.
Antennas are precision measurement devices.
Handle your antenna with care.
Do not cross thread any connections or permanent damage to the
antenna could occur.
The 1/4–20 mount on the bottom of the Model 3303 is not a
ground location.
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