Doppler Systems DDF7011 User manual

USER'S GUIDE
DDF7011 AND DDF7012
USERS MANUAL

CONTENTS
WARRANTY INFORMATION ............................................................................. I
INTRODUCTION ......................................................................................... 1
DDF7011 INSTALLATION AND SETUP ............................................................... 5
Getting Started ....................................................................................... 5
Antenna Mounting .................................................................................... 6
Single Band Antenna Installation ................................................................... 7
Mounting the Mast to the Antenna ............................................................. 7
Attaching the Bottom mast to a our Mast ................................................... 9
Attaching the Cables ........................................................................... 10
Attaching the Elements ........................................................................ 10
Two Band Antenna Installation ................................................................... 15
Three Band Antenna Installation ................................................................. 17
Core Module Connections ......................................................................... 23
DDF7012 INSTALLATION AND SETUP .............................................................. 29
Getting Started ..................................................................................... 29
Antenna Mounting .................................................................................. 31
Core Module Connections ......................................................................... 33
SPECIFICATIONS ....................................................................................... 38
DDF7012 Specifications........................................................................... 39
DDF7011 Specifications........................................................................... 39
INDEX .................................................................................................... 41

DDF7011 and DDF7012 Users Manual
Revision A
Figure 1: The DDF7011 and 7012 utilize the same Core Module............................................1
Figure 2: Block Diagram of Three Band Fixed Site Direction Finder (DDF7011) ................2
Figure 3: Mobile Direction Finder (DDF7012)..........................................................................3
Figure 4: : Remove the loose cap screws to install the lower mast ..........................................7
Figure 5: Secure the lower mast to the frame using the cap screws ........................................8
Figure 6: Attach the lower mast to your mounting mast with the mast clamp ......................9
Figure 7: Cables connected to the VHF Antenna....................................................................10
Figure 8: Arrangement of the antenna element mounting hardware ...................................11
Figure 9: Three Wire Element Mounting Arrangement ........................................................12
Figure 10: Antenna element mounted on the balun................................................................13
Figure 11: Fully Assembled VHF Antenna..............................................................................14
Figure 12: Upper mast and cables installed for two antenna installation.............................15
Figure 13: Assembled UHF-VHF Antenna..............................................................................16
Figure 14: UHF Antenna Frame Installed on Mast................................................................17
Figure 15: TU Antenna Mast Installed ....................................................................................18
Figure 16: THF Antenna Frame Installed on Mast ................................................................19
Figure 17: THF Antenna Mounting Hardware.......................................................................20
Figure 18: Assembled THF-UHF-VHF Antenna ....................................................................21
Figure 19: Fixed Site Core front panel connections................................................................25
Figure 20: VHF and UHF antenna arrangement....................................................................32
Figure 21: THF Mobile Antenna Installation (cables exit toward rear of vehicle)..............33
Figure 22: Mobile core module connections ............................................................................35

Doppler Systems will repair or replace, at their option, any parts found to be defective in
either materials or workmanship for a period of one year from the date of shipping. Defective
parts must be returned for replacement. In the US, contact the factory, or overseas your local
distributor, for advice about returning any defective parts or equipment.
If a defective part or design error causes your radio direction finder to operate improperly
during the one-year warranty period, Doppler Systems will service it free of charge if returned
at owner s expense. If improper operation is due to an error on the part of the purchaser,
there will be a repair charge.
Doppler Systems are not responsible for damage caused by the use of improper tools or
solder, failure to follow the printed instructions, misuse or abuse, unauthorized modifications,
misapplication of the unit, theft, fire or accidents. This warranty applies only to the equipment
sold by Doppler Systems and does not cover incidental or consequential damages. Doppler
Systems radio direction finding equipment is designed to for locating interfering radio
signals. It is not intended for use as a navigation aid, and in particular it is not to be used for
aircraft or marine navigation.
WARRANTY INFORMATION

1
The Doppler Systems DDF7011 and DDF7012 contain all the necessary components required
to locate a radio frequency source. Both systems utilize the same core module shown in
Figure 1 below.
Cha ter
1
INTRODUCTION
Figure 1: The DDF7011 and 7012 utilize the same Core Module

2
DDF7011 and DDF7012 Users Manual
User's Guide
The DDF7011 is primarily used as a fixed site system and consists of the following:
 A core module
 A fixed site direction finder antenna system (one to three bands)
 A fixed site radio modem antenna (optional)
 A GPS receiver
 A self-test generator (optional)
 Antenna cabling
 12 V Power Supply
 A laptop computer (optional)
 Carrying cases for all the components
Figure 2 shows the block diagram of a typical DDF7011 three band
configuration.
Figure 2: Block Diagram of Three Band Fixed ite Direction Finder (DDF7011)

3
Introduction
The DDF7012 is used in mobile systems and utilizes the same core module and contains the
following components:
 A core module
 A mobile direction finding summer assembly
 Four 1/4 wave whip antennas
 A GPS receiver
 A compass (optional)
 A yaw rate sensor (optional)
 A laptop computer (optional)
 Antenna cabling
 Carrying cases
Figure 3 depicts a typical DDF7011 configuration.
Figure 3: Mobile Direction Finder (DDF7012)

4
DDF7011 and DDF7012 Users Manual
User's Guide
This manual will describe the installation and setup of the DDF7011 and DDF7012. For details
on operating the system see the TargetTrack Software User s Manual and the MPT User
Interface Software Guide.