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Manual Updates 

 
Every effort is made to supply the latest manual revision with each product. Occasionally a manual 
will be updated between the time your Comtek product is shipped and when you receive it. Please 
check the DX Engineering web site - Comtek product line - at (www.comteksystems.com) for the 
latest revision manual. 

 
Technical Support 

 
If you have questions about this product, or if you experience difficulties during the installation, 
contact Comtek Systems 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 Comtek Systems are warranted to be free from defects in material and workmanship for a 
period of one (1) year from date of shipment. Comtek Systems’ 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 Comtek Systems.  If Comtek Systems’ products are claimed to be defective in 
material or workmanship, Comtek Systems shall, upon prompt notice thereof, issue shipping instructions for return to 
Comtek Systems (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, Comtek Systems’ warranties do not extend to other equipment and parts manufactured by others except to 
the extent of the original manufacturer’s warranty to Comtek Systems.  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 COMTEK SYSTEMS ANY OBLIGATION OR LIABILITY NOT STRICTLY IN ACCORDANCE WITH THE 
FOREGOING. 
 
©Comtek Systems 2010 
 
Comtek Systems®, DX Engineering®, DXE®, Hot Rodz™, Maxi-Core™, THUNDERBOLT™, Antenna Designer™, 
Yagi Mechanical™, 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. 
 
 

Summary of Contents for COM-40VA

Page 1: ...cal Antenna COM 40VA COM 40VA INS Revision 0a COMTEK SYSTEMS 2010 P O Box 1491 Akron OH 44309 1491 USA Phone 800 777 0703 Technical Support and International 330 572 3200 Fax 330 572 3279 E mail Info...

Page 2: ...lement 1 Element Clamp Stainless Steel for 1 5 8 and 1 3 4 antenna elements 2 Element Clamp Stainless Steel for 1 7 8 and 2 antenna elements 2 Stainless Steel Saddle for 2 V Bolts for customer supplie...

Page 3: ...ith the ground around it Use a level as you fill the hole to be sure the pipe is straight Allow to set overnight Your location landscape and ground conditions may require different mounting solutions...

Page 4: ...ineering DXE P8A Penetrox A Anti Oxidant should be used between all antenna element sections Penetrox is an electrical joint compound to affect a substantial electrical connection between metal parts...

Page 5: ...minum element 5 Assemble the vertical sections as shown in Figure 1 using the stainless steel element clamps allowing a four inch overlap between the element sections Slide all the clamps over each se...

Page 6: ...reads is approximately equal Any V Bolt should be tightened evenly from side to side with an equal amount of thread above each nut 8 Connect the center conductor of your coaxial feedline to the studde...

Page 7: ...g it raises the frequency The top element section is made moveable by loosening the element clamp and then sliding the upper element section of the antenna either closer to the base of the antenna or...

Page 8: ...e 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 inst...

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