Doppler Systems DDF7011, User Manual

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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