Delta X-Ray - Quality Amateur Radio Antennas
Monoband HF Delta Loop Driven Array Antennas Ordering Information
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Monoband HF Delta Loop Driven Array Antennas

Delta Loop Pages:

 • Monoband Antenna Comparison
 • Monoband Antenna Graphs
 •
Delta Loop Features and Specifications
 •
Delta Loop Images
 • Delta Loop Ordering Information
10 Meter = $236 + S&H
11 Meter = $250 + S&H
12 Meter = $260 + S&H
15 Meter = $340 + S&H
17 Meter = $360 + S&H

Delta Loop Features and Specifications:


Mechanical Features
 • "Plumber's delight" construction - entire antenna at ground potential.
 • Elements are .058" wall aluminum and 168 strand #14 copper wire.
 • All hardware is all stainless steel.
 • Central mast and wire elements support all aluminum elements at both ends.
 • Includes steel mast base for mounting to your TV rotator.


10 Meter Delta Loop on TV Rotator
Electrical Features
 
• Input impedance 50 ohms at resonance. Silver plated/Teflon SO-239 provided.
 • Pre tuned. No gamma capacitors to tune.
 • No balun or antenna tuner required.
 • Lower takeoff angle of radiation than Yagi or Quad at one wavelength elevation =12 degrees.
 • F/B ratio is 4.5 dB greater than quad .
 • Both elements driven.
 • "Quiet" full wave mono band antenna. All weather antenna.
 • Increase your radiating height without adding a Tower section.

Unique Features
 • Tower or high roof mount is not necessary.
 • Includes steel mast for mounting to your rotator
 • Includes ample supply of anti-oxidant for copper-aluminum and aluminum-aluminum connections.
 • Change resonant frequency without re-cutting wire elements.
Physical Specifications for Delta Loop Antennas
Specification 10m 12m 15m 17m
Weight 9 lbs 12 lbs 18 lbs 21 lbs
Turning Radius 7.29 ft 7.81 ft 9.75 ft 11.42 ft
Projected Area 3.12 sqft 3.74 sqft 4.28 sqft 5.19 sqft
Effective Area [Shape factor = 0.66] 1.82 sqft 2.25 sqft 2.48 sqft 3.00 sqft
Effective Moment 66 ft / lbs 87 ft / lbs 175 ft / lbs 240 ft / lbs
Element Spacing 41.75 in 47.5 in 55.87 in 65.5 in
Height at Reflector Apex 10.08 ft 11.48 ft 13.5 ft 15.8 ft
Resonant Frequency 28.4 mhz 24.94 mhz 21.225 mhz 18.118 mhz
<2:1 swr Bandwidth 700 khz --- [Entire Band] --- 17 Meter Delta Loop Hub Assembly

Delta X-Ray Antennas
P.O. Box 1233 Lombard, Illinois 60148-1233
Email
deltaxray@comcast.net
Fax 630-627-2116
Copyright © 2005 Delta X-Ray Antennas.
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