ETS-Lindgren 3150B Dual Stacked LPDA Antenna - Manual (Page 3)

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Table of Contents
Notes, Cautions, and Warnings ......................................................................... v
1.0 Introduction ................................................................................................... 7
Standard Configuration ....................................................................................................... 8
Optional 7-TR Tripod .......................................................................................................... 9
ETS-Lindgren Product Information Bulletin ........................................................................ 9
2.0 Maintenance ................................................................................................ 11
Replacement and Optional Parts ..................................................................................... 11
Service Procedures .......................................................................................................... 11
3.0 Specifications .............................................................................................. 13
Electrical Specifications .................................................................................................... 13
Physical Specifications ..................................................................................................... 13
4.0 Assembly Instructions ............................................................................... 15
Components to Assemble ................................................................................................ 15
Attach the Removable Elements ...................................................................................... 16
Overview of Steps ............................................................................................................ 17
Attach Two Boom Assemblies to Center Support Bar ..................................................... 18
Attach Feed Boom Assembly ........................................................................................... 20
Attach Remaining Two Boom Assemblies to Side Support Bars ..................................... 21
5.0 Mounting onto a 7-TR Tripod ..................................................................... 25
6.0 Disassembly Instructions .......................................................................... 29
7.0 Typical Data ................................................................................................. 31
Typical Antenna Factor and Gain ..................................................................................... 31
Typical Average Power Requirements ............................................................................. 32
Measured Power Requirements ................................................................................ 32
Horizontal Polarization, 2-M Distance ........................................................................ 33
Horizontal Polarization, 3-M Distance ........................................................................ 34
Vertical Polarization, 2-M Distance ............................................................................ 35
Vertical Polarization, 3-M Distance ............................................................................ 36
Typical VSWR................................................................................................................... 37
Typical Half Power Beamwidth ......................................................................................... 38
Typical Radiation Patterns ................................................................................................ 39
80 MHz —100 MHz ..................................................................................................... 39
200 MHz —300 MHz ................................................................................................... 40