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Technical Support

 

 
If you have questions about this product, or if you experience difficulties during the installation, 
contact DX Engineering at (330) 572-3200.  You can also e-mail us at:       
 

[email protected] 

 

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 be to issue credit, repair or replace any item or part thereof which is proved to be other 
than as warranted; no allowance shall be made for any labor charges of Buyer for replacement of parts, 
adjustment or repairs, or any other work, unless such charges are authorized in advance by DX Engineering.  
If DX Engineering’s products are claimed to be defective in material or workmanship, DX Engineering shall, 
upon prompt notice thereof, issue shipping instructions for return to DX Engineering (transportation-charges 
prepaid by Buyer). Every such claim for breach of these warranties shall be deemed to be waived by Buyer 
unless made in writing. The above warranties shall not extend to any products or parts thereof which have 
been subjected to any misuse or neglect, damaged by accident, rendered defective by reason of improper 
installation, damaged from severe weather including floods, or abnormal environmental conditions such as 
prolonged exposure to corrosives or power surges, or by the performance of repairs or alterations outside of 
our plant, and shall not apply to any goods or parts thereof furnished by Buyer or acquired from others at 
Buyer’s specifications. In addition, DX Engineering’s warranties do not extend to other equipment and parts 
manufactured by others except to the extent of the original manufacturer’s warranty to DX Engineering.  The 
obligations under the foregoing warranties are limited to the precise terms thereof. These warranties provide 
exclusive remedies, expressly in lieu of all other remedies including claims for special or consequential 
damages. SELLER NEITHER MAKES NOR ASSUMES ANY OTHER WARRANTY WHATSOEVER, 
WHETHER EXPRESS, STATUTORY, OR IMPLIED, INCLUDING WARRANTIES OF 
MERCHANTABILITY AND FITNESS, AND NO PERSON IS AUTHORIZED TO ASSUME FOR DX 
ENGINEERING ANY OBLIGATION OR LIABILITY NOT STRICTLY IN ACCORDANCE WITH THE 
FOREGOING. 
 
©DX Engineering 2019 
 
DX Engineering

®

, DXE

®

, DX Engineering, Inc.

®

, Hot Rodz

®

, Maxi-Core

®

, DX Engineering 

THUNDERBOLT

®

, DX Engineering Yagi Mechanical

®

, EZ-BUILD

®

, TELREX

®

, Gorilla Grip

®

 Stainless 

Steel Boom Clamps, Butternut

®

, SkyHawk™, SkyLark™, SecureMount™, OMNI-

TILT

™, RF-PRO-1B

®

AFHD-4

®

 are trademarks of PDS Electronics, Inc. No license to use or reproduce any of these trademarks or 

other trademarks is given or implied. All other brands and product names are the trademarks of their 
respective owners. 
 
Specifications subject to change without notice. 
 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Summary of Contents for DXE-NVIS-8040

Page 1: ...40 DXE NVIS 8040S DXE NVIS 8040NM DXE NVIS 8040SNM DXE NVIS INS Revision 1 DX Engineering 2019 1200 Southeast Ave Tallmadge OH 44278 USA Phone 800 777 0703 Tech Support and International 330 572 3200...

Page 2: ...ications This mode of operation makes it ideal for in state communications during disasters or other emergency situations The military has used NVIS techniques for decades to provide short haul commun...

Page 3: ...avelength above ground Vertical RF energy radiated at a low enough frequency is reflected back to earth at all angles The effect is similar to taking your garden hose with a fog nozzle and pointing it...

Page 4: ...fiberglass Take normal precautions when handling any fiberglass material There may be fiberglass dust slivers or particles present when the fiberglass parts were manufactured The use of typical fiberg...

Page 5: ...XE ECLS 150 Studded Band Clamp Stainless Steel w hardware 1 DXE CSR8X 1 Cable Strain Relief Kit for 8X Coaxial Cable 1 DXE 8XDX100 RG 8X Coaxial Cable 100 Ft with PL 259 connectors 1 SYN DBR 125 100 A...

Page 6: ...Iron and Solder Utility Knife and Lighter for rope Nut Drivers 1 4 3 8 516 Wrench 7 mm for the 80 meter coil strain relief clamps Pliers Gloves see information on Fiberglass Tubing on page 4 Hammer fo...

Page 7: ...yloc hex nut as shown 4 Loop the coax cable through the P clamps and form approximately a 6 diameter loop of cable 5 Mount the P clamps on both sides of the bracket using the hardware 1 hex bolt 1 4 s...

Page 8: ...t antenna after tuning had the 40 meter length as 32 feet 5 inches each Until you perform tuning do not shorten the 37 1 2 foot wires 3 On each wire solder one Ring Terminal as shown Preparing the 80...

Page 9: ...16 feet from the coil to the end insulator 3 Cut one of the 75 foot antenna wire rolls so you have 4 pieces of antenna wire 17 feet long each 4 On two of the wires solder one ring terminal to each en...

Page 10: ...IS 8040 Wires A and C are connected to the BALUN for the DXE NVIS 8040S Attaching the 40 and 80 meter Wires for the DXE NVIS 8040 1 Install one 40 meter wire A and one 80 meter wire B on each side of...

Page 11: ...n one of the 80 meter coils as shown Allow enough slack to avoid sharp bends and provide strain relief for the coil 3 Using one of the wire clamps press the wire C in place in the clamp 4 Adjust wire...

Page 12: ...sembly is the same for both the DXE NVIS 8040 and DXE NVIS 8040S NVIS antennas The mast is made with four fiberglass tubes three telescoping mast clamps six element clamps and one vinyl cap 1 On three...

Page 13: ...iously installed vinyl cap Tighten the two clamps in place Attaching the End Insulators to the Guy Ropes Using the supplied 100 foot roll of rope cut four pieces of rope 25 feet each Attach each guy r...

Page 14: ...e Insert each wire through the end insulator and then wrap the wire back on itself as shown below The starting lengths of wire are shown on pages 16 and 17 Attaching the Guy Ropes to the Tent Pegs Tie...

Page 15: ...XE NVIS 8040 and the DXE NVIS 8040S footprint view from overhead Note the dimensions shown are the footprint size not the wire rope lengths As an option to secure the mast in place on the ground a 1 1...

Page 16: ...16 The following shows side views for the DXE NVIS 8040 antenna...

Page 17: ...17 The following shows side views for the DXE NVIS 8040S antenna...

Page 18: ...When changing wire lengths wrap the excess wire back on itself rather than cutting the wire This will allow for future adjustments that may be needed Repeat the sequence above for 80 meters 80 Meters...

Page 19: ...f the telescoping clamps to allow the section to telescope inside the larger tube snug the clamp in place then do the same for the other clamps The antenna system will collapse to less than 6 feet in...

Page 20: ...allation damaged from severe weather including floods or abnormal environmental conditions such as prolonged exposure to corrosives or power surges or by the performance of repairs or alterations outs...

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