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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 2012 
 
DX Engineering®, DXE®, DX Engineering, Inc.®, Hot Rodz®, Maxi-Core®, DX Engineering 
THUNDERBOLT™, DX Engineering Yagi Mechanical®, EZ-BUILD®, TELREX® and Gorilla Grip® 
Stainless Steel Boom Clamps, 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. 
 
 

Содержание THUNDERBOLT DXE-MBVA-1UP

Страница 1: ...er Vertical Antenna DXE MBVA 1UP DXE MBVA 1UP INS Revision 3 DX Engineering 2012 P O Box 1491 Akron OH 44309 1491 USA Phone 800 777 0703 Tech Support and International 330 572 3200 Fax 330 572 3279 E...

Страница 2: ...Pipe 8 Attaching Ground Radial Wires to the Radial Plate 9 Tilt Base to Mounting Pipe 10 Vertical Base Section 11 Base Section to Tilt Base 13 Assembling the Vertical Sections 14 Mating the Vertical...

Страница 3: ...stomer supplied wide band tuner required Power Handling up to 5 kW Only 43 ft overall height Supplied Installation Items Tilt Base Precision laser cut from 3 16 in 304 Stainless Steel this patented ti...

Страница 4: ...Band Vertical Antenna series Parts List for the DXE UN BRKT Qty Description 1 Patented Mounting Bracket for the DXE UN 43 4 6 x 3 4 long Stainless Steel Hex Head Bolts 8 6 Flat Washer 4 6 Nyloc Nut 2...

Страница 5: ...2 ID x 3 25 leg w Saddle Hardware 2 DXE ECL 28SS Element Clamp 2 Black Vinyl Cap 1 Feedline Connection Qty 1 4 20 x 1 HH Bolt full thread 1 1 4 External Tooth Washer 2 1 4 Flat Washer 2 1 4 20 Hex nu...

Страница 6: ...system is recommended for use with the DX Engineering Tilt Base because just one of the guy ropes has to be loosened when you tilt the vertical down The remaining guys help stabilize the vertical in t...

Страница 7: ...this antenna Using 32 radials at 65 feet long is preferred and highly recommended The extra radials help overcome unknown poor soil conditions improve bandwidth and ensure the best performance possib...

Страница 8: ...night Your location landscape and ground conditions may require different mounting solutions in order to have the steel mounting pipe and the vertical antenna in a secure position Note Galvanized stee...

Страница 9: ...its 1 9 OD is just fine for this application and can usually be found at your local home building supply store Mount the Radial Plate so you have approximately 1 of space between the bottom of the pla...

Страница 10: ...nded 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...

Страница 11: ...e of the DXE RADP 3 Radial Plate as shown in Figure 3 Make sure the Tilt Base and optional DXE RADP 3 Radial Plate are oriented correctly for the direction you wish to tilt the antenna See Figure 8 wh...

Страница 12: ...nuts From the inside of the channel insert a 2 hex head bolt with a flat washer through each of the middle four holes through the backing plate Put on the aluminum spacer a split washer and a plain h...

Страница 13: ...e section tube should extend 1 3 4 beyond the bottom of the U bolt clamp The feedpoint hardware should be coming out on the left side as you look at the lower section as shown in Figure 6 When tighten...

Страница 14: ...htly loose Figure 7 Using a wrench or nut driver securely tighten the two Nyloc nuts at the bottom of the Tilt Base Then loosen them one half turn each This will allow proper movement of the Tilt Base...

Страница 15: ...bind up and bend the lower bolts The Tilt Base is not made to support the whole antenna by itself when tilted When the antenna is tilted over ensure you have some sort of table stand or saw horse to s...

Страница 16: ...minum tubing sections to bind during assembly Do not use any type of oil or general lubricant between the aluminum tubing sections Oils or general lubricants can cause poor electrical connections for...

Страница 17: ...l 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 9 Figure 9 Using Figure 10 and Figure 11 for dimensions assemble...

Страница 18: ...17 Figure 11 MBVA 1UP Section Dimensions...

Страница 19: ...on the bottom section to make the fit easier Slide the band clamp down to the edge of the bottom section between the slits and tighten Overall antenna length from the top to the feedpoint is 43 feet...

Страница 20: ...e 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...

Страница 21: ...e section open the upper and lower custom studded element clamps as shown in Figure 13 Figure 13 Position the UNUN Mounting Bracket so the bottom element clamp is located between the feedpoint hardwar...

Страница 22: ...t blade screwdriver or nut driver snug them up as shown in Figure 15 Note position of lower clamp is between the feedpoint hardware and the U Bolt Figure 15 Position the UNUN so it faces forward Tight...

Страница 23: ...to the terminal on the DXE UN 43 UNUN closest to the Red on the label as shown in Figure 16 Do not over tighten the wing nuts Hand tighten them only do not use pliers or other tools to over tighten t...

Страница 24: ...most tuning problems are encountered One needs to examine the complex impedance R j to see the problem On 160 meters the use of 150 feet of polyethylene dielectric cable such as DXE 213U which has a...

Страница 25: ...24 Figure 17 Completed Base Assembly for Reference...

Страница 26: ...e capable of tuning this type of high performance vertical antenna system Tuners which are built into transceivers lack sufficient impedance tuning range for this type of high performance vertical ant...

Страница 27: ...are tied to the earth anchors that are screwed into the ground at about the same angle as the ropes will be When using the Tilt Base position the guy wires as shown below This will make it easy to ra...

Страница 28: ...d PL 259 and N connectors normally designed for RG 8 sized cables Attenuation 100 ft Power Rating Efficiency 0 4 dB 5 MHz 4 9 kW 90 0 6 dB 10 MHz 3 4 kW 87 1 0 dB 30 MHz 2 0 kW 79 1 3 dB 50 MHz 1 5 kW...

Страница 29: ...st much longer in contact with soil than bare wire The DXE RADW 500K or 1000K kit provide everything you will need to build the perfect radial system 500 1000 ft spool of 14 AWG stranded copper wire w...

Страница 30: ...ns 300 pack DXE STPL 100BD Radial Wire Staple Biodegradable 3 100 pack DX Engineering DXE STPL 100BD is a 100 pack of 3 biodegradable anchors that are produced from recycled PLA Polylactide Resin Depe...

Страница 31: ...t can occur with the slightest roughness Only a couple of revolutions with very light pressure is needed to produce excellent results DX Engineering Tube Deburring Tools may be used to debur tubing an...

Страница 32: ...tive 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...

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