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Congratulations!

 You are now the proud owner of a Comtek 20 Meter Vertical Antenna. This 

antenna may be built as a 20 meter, 17 meter, 15 meter, 12 meter or 10 meter monoband vertical 
antenna. 
 

Specifications: 

 

Full band coverage on 20 or 17 or 15 or 12 or 10  meters with SWR under 1.5:1 

 

No Tuner needed 

 

Bandwidth: Over 750 kHz  

 

Power Handling up to 5 kW 

 

Weight: Approximately 8 pounds 

 

Element Tubing: 3 element sections sized from 1" OD  to .75" OD  

 

Under 17 ft overall height 

 

 
Parts List: 

 

Description 

QTY 

Aluminum Mounting Plate, 7-1/2" x 5-17/32" x 1/4", Drilled 

Element Insulator, 

EXTREN

®

, 1.5" OD x 1" ID x 2" long, Split 

Aluminum Cast Saddle 1.5", for Element Insulator 

Stainless Steel U-Bolt 1.5", for Element Insulator 

Hardware kit for U-Bolts (Nuts, Lock Washers, Flat Washers) 

Studded Band Clamp, 1", with hardware (for Feedpoint Connection) 

Element Clamp, Stainless Steel, for 1" antenna element 

Element Clamp, Stainless Steel, for 7/8" antenna element 

Stainless Steel Saddle for 2" V Bolts, for customer supplied mounting pipe 

V-Bolt  for 1 to 2" OD customer supplied mounting pipe 

Hardware kit for V-Bolts (Nuts, Lock Washers, Flat Washers) 

Black Vinyl Cap, for top of 3/4" OD antenna element 

Aluminum Element - 1.000" OD x 72" x .058" Wall (split one end)

 

Aluminum Element - 0.875" OD x 72" x .058" Wall (split one end) 

Aluminum Element - 0.750" OD x 72" x .058" Wall (split one end) 

 
 

WARNING! 
 

INSTALLATION OF ANY ANTENNA NEAR POWER LINES IS DANGEROUS 

 
 
 
 

 
Warning

: Do not locate the antenna near overhead power lines or other electric light or power 

circuits, or where it can come into contact with such circuits.  When installing the antenna, take 
extreme care not to come into contact with such circuits, because they may cause serious injury or 
death.  

Summary of Contents for COM-20VA

Page 1: ...l Antenna COM 20VA COM 20VA INS Revision 2 COMTEK SYSTEMS 2016 1200 Southeast Ave Tallmadge OH 44278 USA Phone 800 777 0703 Technical Support and International 330 572 3200 Fax 330 572 3279 E mail Inf...

Page 2: ...shers 2 Studded Band Clamp 1 with hardware for Feedpoint Connection 1 Element Clamp Stainless Steel for 1 antenna element 1 Element Clamp Stainless Steel for 7 8 antenna element 1 Stainless Steel Sadd...

Page 3: ...en pour in the hole Fill the hole until the concrete is level with 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...

Page 4: ...ay from the antenna Note Jet Lube SS 30 JTL 12555 should be used between all antenna element sections Jet Lube SS 30 is an electrical joint compound to affect a substantial electrical connection betwe...

Page 5: ...mp and the 1 OD aluminum element 5 Assemble the vertical sections as shown in Figure 1 using the stainless steel element clamps allowing a 6 inch overlap between the element sections Slide all the cla...

Page 6: ...ately 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 studded band clamp The...

Page 7: ...pending on whether you want to lower or raise the frequency of resonance Be sure to tighten the clamp after making an antenna length adjustment For 20 Meters Frequency MHz Approximate Overall Length 1...

Page 8: ...ll 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...

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