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   40/30 Meter 
    Dual-Band 
      Vertical  
      Antenna 

 
 
             DXE-4030VA-1 

 
                     DXE-4030VA-1-INS-Revision 5a 
 

 
 
 
 
 
 
 
 
 

 
 

© DX Engineering 2017 
1200 Southeast Ave. - Tallmadge, OH 44278  USA 
Phone: (800) 777-0703 ∙ Tech Support and International: (330) 572-3200 
Fax: (330) 572-3279 ∙ E-mail: 

[email protected]

  

Summary of Contents for DXE-4030VA-1

Page 1: ... Antenna DXE 4030VA 1 DXE 4030VA 1 INS Revision 5a DX Engineering 2017 1200 Southeast Ave Tallmadge OH 44278 USA Phone 800 777 0703 Tech Support and International 330 572 3200 Fax 330 572 3279 E mail DXEngineering DXEngineering com ...

Page 2: ...late to Mounting Pipe 7 Attaching Ground Radial Wires to the Radial Plate 8 Tilt Base to Mounting Pipe 9 Vertical Base Section 10 Base Section to Tilt Base 12 Assembling the Vertical Sections 14 Mating the Vertical Sections to the Tilt Base 18 Raising The Vertical 18 Assembling the Balun Shelf and VFCC 19 Installation of VFCC to Antenna Mount 20 Feedline Connections 21 Tuning the Vertical 23 Guyin...

Page 3: ...equencies Power Handling up to 5 kW Less than 30 ft overall height Self Supporting Vertical Antenna Heavy Duty design to withstand 60 MPH wind without guying Supplied Installation Items DX Engineering s patented Tilt Base Precision laser cut from 3 16 inch thick 304 Stainless Steel this mounting plate is virtually indestructible Using the included two DXE SSVC 2P V Clamps the Tilt Base is mounted ...

Page 4: ...ardware Kit 2 Feedline Connection Quantity 1 4 20 x 1 Stainless Steel Hex Head Bolt full thread 1 1 4 Stainless Steel External Tooth Washer 2 1 4 Flat Washer 2 1 4 20 Stainless Steel Hex nut 2 Antenna Assembly Quantity 2 00 x 0 058 x 36 Element Slit 1 end drilled 1 1 875 1 750 x 72 Element Riveted Slit one end drilled 1 1 750 1 625 x 72 Element Riveted Slit one end 1 1 625 x 0 058 x 36 Element Sli...

Page 5: ...he V Clamp used to mount the VFCC part number DXE SSVC 2P is not included and must be purchased separately RADIAL WIRE KITS There are optional DX Engineering Radial Wire Kits available DXE RADW 500K BD contains a 500 foot spool of 14 gauge copper stranded wire with black PVC insulation 20 Terminal Lugs and 100 Steel or Biodegradable Lawn Staples The DXE RADW 1000K BD Radial Wire Kit contains a 1 0...

Page 6: ...es structures and other antennas by a minimum of 35 feet Consider overhead power lines utility cables and wires The vertical antenna should be mounted away from local noise sources or other metallic objects which can re radiate noise and affect the tuning radiation pattern and SWR Determine the direction you want the antenna to tilt down and make sure there is adequate clearance at least 35 feet T...

Page 7: ...D is recommended with a minimum thickness of 1 8 1 4 preferred should be used The standard 1 1 2 galvanized water pipe with its 1 9 OD is just fine for this application and can usually be found at your local home building supply store For permanent mounting use a post hole digger to make a hole deep enough to accommodate 2 feet of pipe and a couple inches of gravel at the bottom for drainage Set t...

Page 8: ...hould also be used on all element clamps and stainless steel threaded hardware to provide good electrical contact prevent galling allowing easier disassembly and to ensure proper tightening Radial Plate to Mounting Pipe Install the optional DXE RADP 3 Radial Plate on the 2 mounting pipe using an optional DXE SSVC 2P V Clamp as shown in Figure 1 The standard 1 1 2 galvanized water pipe with its 1 9...

Page 9: ...anded wire with black PVC insulation 20 Terminal Lugs and 100 Steel or Biodegradable Lawn Staples The DXE RADW 1000K BD Radial Wire Kit contains a 1 000 foot spool of 14 gauge copper stranded wire with black PVC insulation 40 Terminal Lugs and 200 Steel or Biodegradable Lawn Staples RADW 20RT 32RT or 65RT contain 20 each radial wires with 1 4 terminal attached These kits come in 20 32 or 65 length...

Page 10: ...cal home building supply store Make sure the Tilt Base and optional DXE RADP 3 Radial Plate are oriented correctly for the direction you wish to tilt the antenna When fully assembled and you are standing in front of the antenna and can read the DX Engineering logo on the tilt plate the antenna tilts to the right Refer to Figure 9 or Figure 15 for a picture showing the front of the antenna Tighten ...

Page 11: ...four holes through the backing plate Put on the aluminum spacers split washers and plain hex nuts Tighten firmly but not enough to crush the insulated channel Figure 4 Assemble the two bottom element sections aligning them so the feedpoint holes match up together as shown in Figure 5 Figure 5 Install the 1 4 20 x 1 bolt through the feedpoint hole in the elements from the inside so the threads stic...

Page 12: ...hers and 4 nuts as shown in Figure 7 The base section tube should extend 1 1 4 beyond the bottom of the U bolt clamp When tightening observe the split washers When they fully seat flatten out the clamp is tight enough Any clamp should be tightened evenly from side to side with an equal amount of thread above each nut Figure 7 ...

Page 13: ... 12 Base Section to Tilt Base Place the Lower Base Section into the holes of the Tilt Base and loosely install the Tilt Base mounting hardware shown in Figure 8 Figure 8 ...

Page 14: ...ile raising or lowering the antenna This pivot bolt MUST be retained in the pivot point It seems natural to push the antenna toward the Tilt Base while raising Push up while raising but not toward the base since this could cause the pivot bolt to lift out of the slot and allow the mechanism to bind up and bend the lower bolts The Tilt Base is not made to support the whole antenna by itself when ti...

Page 15: ...n as deburring Deburring is a finishing method used in manufacturing Our aluminum tubing is machine cut on both ends and machine slit on one end and you should further assure there are no ragged edges or protrusions Use the DXE 22166 Slim Grip Deburring Tool or the DXE 22600 Deburring Tool with Extending Handle and Extra Blades for this operation 2 Clean the inside of the aluminum tubing to clear ...

Page 16: ...putting them together You can lightly tighten the element clamps just below the slits in each element section to hold them until needed Align the clamp screws on each section to face the same direction At final assembly body of the clamp should be positioned between the slits in the tubes and 1 8 from the edge of each tube as shown in Figure 10 Figure 10 Using Figure 11 and Figure 12 for dimension...

Page 17: ... 16 Figure 11 Element Sections ...

Page 18: ... 17 Figure 12 30 40 Meter Vertical Antenna Element ...

Page 19: ... a positive electrical contact between the elements Slide the appropriate element camp down to the edge of the bottom section between the slits and tighten Install the rest of the element clamps Raising the Vertical DANGER Make sure you have not inadvertently located the antenna underneath power lines Residential power lines are often less than 40 high Contact With Any Power or Utility Lines Can B...

Page 20: ... and the Tilt Base backing plate to minimize binding Make sure the lower tilt base bolts are never excessively loose before raising They should be first tightened securely and then backed off no more than 1 2 turn Once the antenna is fully raised tighten the tilt base hardware Top two Nyloc nuts and two flange nuts bottom two Nyloc nuts Assembling the Balun Shelf and Vertical Feedline Choke Using ...

Page 21: ...ied DXE SSVC 2P V Camp assembly Position the Balun Shelf Bracket approximately 1 4 above the Radial Plate mounting flange as shown in Figure 14 Tighten the clamp to hold the assembly in place When tightening observe the split washers When they fully seat flatten out the clamp is tight enough Any clamp should be tightened evenly from side to side with an equal amount of thread above each nut Figure...

Page 22: ...e Red D in DX Engineering on the label as shown in Figure 15 Connect the other 7 1 2 braid from the terminal on the DXE VFCC H05 A Vertical Feedline Current Choke closest to the Black X on the label to the closest radial wire bolt on the optional DXE RADP 3 Radial Plate as shown in Figures 15 and 15a Route both braided cables as shown Note Ensure the braided connections do not interfere with the t...

Page 23: ... 22 Figure 15a Completed Base Assembly for Reference ...

Page 24: ...Then adjust the height from the top of the 30 meter trap to the top of the vertical antenna for the 40 meter band Adjustments may interact and you may have to try various positions until you get the desired tuning accomplished Guying a Vertical Antenna System Guying of vertical antennas is always recommended for stability However if your area encounters severe wind velocities or icing conditions s...

Page 25: ...adial Plate patented Stainless Steel with 20 Sets of SS Radial Attachment Hardware The DX Engineering Radial Plate is meant for those of you that have or are building a quarter wave vertical antenna and who want an easy neat and effective way to connect those essential radial wires and the coax to your vertical antenna for the lowest takeoff angle and strongest signals The DX Engineering Radial Pl...

Page 26: ...t for heavy loads or compression controlled frictional characteristics allow the surfaces of nuts and bolts to be tightened to their design torque specifications This anti seize product assures full hydraulic efficiency by allowing the metal surfaces to slide over each other without damaging metal to metal contact Jet Lube SS 30 is also designed to work as a similar and dissimilar component betwee...

Page 27: ...system 500 1000 ft spool of 14 AWG stranded copper wire with vinyl insulation 20 40 lugs 100 200 radial wire anchor pins Eliminating the need to bury your radials Build up to 20 40 radials 25 feet long DXE RADW 500K Bulk Radial Wire Kit 500 ft Spool of Wire 20 Lugs 100 Staples DXE RADW 1000K Bulk Radial Wire Kit 1000 ft Spool of Wire 40 Lugs 200 Staples TES 2155 3M Temflex 2155 Rubber Splicing Tap...

Page 28: ... DX Engineering at 330 572 3200 You can also e mail us at DXEngineering DXEngineering com For best service please take a few minutes to review this manual before you call Warranty All products manufactured by DX Engineering are warranted to be free from defects in material and workmanship for a period of one 1 year from date of shipment DX Engineering s sole obligation under these warranties shall...

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