background image

 
 

MFJ-1835 

 

10,12,15,17,20 Meter 

Cobweb Antenna  

 

                        

 

 
 

Instruction Manual 

 

Caution: Read All Instructions Before Assembling and 

Using This Product!  

MFJ 

300 Industrial Park Road 

Starkville, MS, 39759  USA 

Tel: 662-323-5869  Fax: 662-323-6551 

 

Summary of Contents for MFJ-1835

Page 1: ...12 15 17 20 Meter Cobweb Antenna Instruction Manual Caution Read All Instructions Before Assembling and Using This Product MFJ 300 Industrial Park Road Starkville MS 39759 USA Tel 662 323 5869 Fax 66...

Page 2: ...35 4 72 Fiberglass Element Support Tube 811 1835 1 1 43 Fiberglass Feed Tube 811 1835 2 1 50 Ohm to 12 5 Ohm Match Box 10 1835 1 1 Mast Mounting Bracket 735 1835 5 Element End insulators 12 x 5 737 01...

Page 3: ...d during final assembly and installation Mounting Bracket Holes Mounting Plate Locate the second mounting plate and position it so all mounting holes align with the first plate Install one of the fibe...

Page 4: ...rt tube The two remaining tie wraps may be used later to secure your coax to the feed tube Install flat washers on four 4 1 inch screws and insert them at the four 10 meter spreader locations holes ne...

Page 5: ...ng the rig lugs as needed to other mounting holes in the insulators Do not tension the wires so tightly that they distort the spreaders or pull the frame out of square The objective is to equalize ten...

Page 6: ...clear of the insulator and add a short length of wire using a 6 32 screw Bandwidth The 2 1 bandwidth for a half wave loop is normally much narrower than it is for a straight line half wave dipole so...

Page 7: ...tallation using one or more runs of 10 solid aluminum ground wire Also always install a barrel connector or junction box where the cable enters your building and unhook it at the first sign of threate...

Page 8: ...ners who attempt to repair defective units Technical consultation is available by calling 662 323 5869 5 This warranty does not apply to kits sold by or manufactured by MFJ Enterprises Inc once assemb...

Reviews: