ETS-Lindgren 3121D Dipole User Manual

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Table of Contents

Notes, Cautions, and Warnings ................................................... v

1.0 Introduction ............................................................................ 7

Tripod Options ...............................................................................................8

ETS-Lindgren Product Information Bulletin ...................................................9

2.0 Maintenance ........................................................................ 11

Annual Calibration .......................................................................................11

Replacement and Optional Parts.................................................................11

Service Procedures .....................................................................................12

3.0 Specifications....................................................................... 13

Electrical Specifications ...............................................................................13

Physical Specifications ................................................................................13

Element Length Frequency Chart................................................................14

4.0 Assembly Instructions .......................................................... 17

5.0 Mounting Instructions........................................................... 21

Using Included Mounting Adapters..............................................................21

Using the Stinger Mount ..............................................................................23

Additional Mounting Options........................................................................24

4-TR Mounting Options........................................................................24

7-TR and Mast Mounting Options........................................................25

2x2 Boom Mounting Options ...............................................................26

6.0 Typical Data ......................................................................... 27

Model 3121D DB-1 Typical Data .................................................................27

Model 3121D DB-1 Gain......................................................................27

Model 3121D DB-1 Antenna Factor.....................................................28

Model 3121D DB-1 Typical Balun Loss...............................................29

Model 3121D DB-2 Typical Data .................................................................30

Model 3121D DB-2 Gain......................................................................30

Model 3121D DB-2 Antenna Factor.....................................................31

Model 3121D DB-2 Typical Balun Loss...............................................32