DDF7011 and DDF7012 Users Manual
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
