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2112 116TH AVE NE SUITE 1-5, BELLEVUE WA, 98004 

WWW.STEPPIR.COM

TEL: (425)-453-1910 FAX: (425)-462-4415

DB42

80m Dipole Option

Installation Instructions

Summary of Contents for DB42 MonstIR PRO

Page 1: ...2112 116TH AVE NE SUITE 1 5 BELLEVUE WA 98004 WWW STEPPIR COM TEL 425 453 1910 FAX 425 462 4415 DB42 80m Dipole Option Installation Instructions ...

Page 2: ... the performance of the antenna when using the Yagi on other frequencies because the wires are connected at the zero current point in the center of each element The 80m dipole is an option that can be purchased for the DB42 Yagi It can be installed during the process of building the DB42 or it can be installed afterwards This option should only be installed with the antenna on the ground When the ...

Page 3: ...talled on each side of the boom as shown in figure XX When installing the truss attachment plate use the longer bolts included in the 80m dipole kit in place of the stan dard bolts included with the DB42 hardware as shown in figure XX The standard length bolts will not be used remove them from the assembly process Mount the tensioning eye bolt to the truss attachement assembly as shown in figure X...

Page 4: ...opes for the truss supports from getting in your way Follow the instructions in section XX for installing the truss supports Once the truss supports are attached to the boom as shown in figure XX install the dipole attachment post assem bly as shown in figure XX The post itself will be tightened firmly using the 1 4 standard nut and the nylock nut leave a small amount of space between the 3 8 wash...

Page 5: ...cure the stainless steel quick links to the mounting plate of the antenna switch DO NOT attach the lid of the antenna switch until wiring is completed it will make wiring difficult and the cover is almost impossible to remove once you attach the hinges Be certain you mount the antenna switch so that the top edge of the saddles are 22 1 4 above the top of the boom ...

Page 6: ...g tight and tie 3 half hitch knots Leaving approximately 2 of leader cut the Dacron rope You will use the remaining rope for the other half of the support line Following the same steps On each end of the dipole conductor support line tighten the tensioning eyebolts so that the support line is tight enough to sup port the blue Ultra flex dipole conductor wire Attach the lug of the blue Ultraflex wi...

Page 7: ...ecure cables to the boom of mast of the antenna Do not secure the cable to anything that has a sharp edge including aluminum saddles bolts mounting plates etc Connect the 4 ft coax jumper 21 6301 70 from the driven element EHU to the SO239 labeled OUT located on the rear of the 80m diple switch as shown in figure XX Connect the primary feed line coming from the shack to the SO239 labeled IN locate...

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