- Interference Cancelling System
The use of interference signal cancellation has been around for some time The idea is ...
Votes: 1 | Rating: 3
- Introduction to HF - Aerials
The following is the third part of a three part guide to help get started ...
By M0PZT
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Votes: 3 | Rating: 7.67
- J-Pole theory
pop
The J Pole antenna is an omnidirectional antenna that can be used for base mobile ...
Votes: 26 | Rating: 6.87
- K-FACTOR Table & Chart
Determine the K-Factor used as a multiplier when constructing half-wave antennas.
Votes: 42 | Rating: 4.02
- L.B. Cebik - W4RNL documents by ON5AU
A collection of antenna projects by W4RNL L B Cebik collected in a single link ...
By ON5AU
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Votes: 3 | Rating: 10
- Large Antenna in a fixed direction?
If your antenna is fixed in one direction you will notice that your antenna works ...
- Link-Coupled Antenna Tuners
W4RNL tutorial on on inductively coupled (link-coupled) antenna tuners
By W4RNL
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Votes: 2 | Rating: 5.5
- Liquid Metal Antenna
Liquid metal antenna using galinstan by Mike Lake KD8CIK
Votes: 2 | Rating: 3
- Loading inductors in mobile antennas
Mobile antennas loading coil current and loaded antennas efficiency and electrical rules Loading inductors used ...
Votes: 5 | Rating: 5
- Log Periodic vs Yagi Antenna
Article on Yagi and Log periodic antennas by Tom, K1JJ
Votes: 1 | Rating: 5
- Loop Antenna Basics
Loop Antenna Basics and Regulatory Compliance for Short-Range Radio
- Low Noise Antenna Connection
Reducing noise to your antenna can gain your aerial performance, learn how.
Votes: 2 | Rating: 6
- Low reactance multiband center feed wires
An antenna system is more easily interfaced to a radio when the input reactance at ...
Votes: 5 | Rating: 8.8
- Marine corps antenna handbook
U.S. Marine Corps in PDF format
Votes: 6 | Rating: 8.17
- Matching Waves, VSWR at work
When the radiation resistance voltage to current ratio of an antenna is the same value ...
- Measuring 2.4 GHz Helix Antennas
It is not very difficult to design and make a helix antenna for a specific ...
By IW2ACD
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Votes: 5 | Rating: 9.2
- Measuring Antenna System SWR
Have you measured the SWR at the antenna?
Votes: 1 | Rating: 10
- Measuring Cable Loss
Improving measurement accuracy when
low-power analyzers are used.
Votes: 2 | Rating: 7.5
- NVIS Propagation concept
Army Field Manual 24-18 Appendix M with Graphics
Votes: 13 | Rating: 9
- Optimizing Ground Radials in End-Fed Antennas
An interesting article focused on defining the optimal lenght and number of ground radials in ...
By w0btu
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Votes: 1 | Rating: 10
- Optimizing Inductors
While intended mainly for antenna loading coils this article also applies to other resonant systems ...
Votes: 1 | Rating: 10
- Passive antenna re-radiators
Passive Antenna Re-radiators to function as Q Multipliers
Votes: 1 | Rating: 5
- Phasing of two identical antennas
Phased Spaced Active Whips and Broadband Loops by WA1ION
Votes: 1 | Rating: 2
- Phasing Systems
Antennas, Standard Delay Line Systems, Crossfire Phasing or Hybrids
Votes: 2 | Rating: 3
- Polarization, lines of force
While polarisation may seem insignificant compared with other considerations in setting up a communications system ...
- Portable antenna comparison
Common antennas for portable use compared A vertical antenna a dipole antenna an inverted V ...
- Practical Antenna Modeling with 4NEC2
Presentation about Practical Antenna Modeling Using the NEC Codes with examples of HF wire antennas ...
By AF7NX
- Practical Design of Very High Gain Yagi Arrays
This paper by Leif Asbrink SM 5 BSZ presents a practical approach to designing very ...
By SM5BSZ
- QEX Ground System Experiments
N6LF series of experiments on ground systems for vertical antennas That series of reports was ...
Votes: 1 | Rating: 8
- Quad or Loop antenna
Information about quad and loop antennas matching tips differences on polarization and impedence by PA0FRI ...
Votes: 3 | Rating: 4.33
- Quarter Wave Verticals
One of the most useful antennas in the repertoire is the Marconi or quarter wave ...
Votes: 2 | Rating: 7
- Quarter Waves and Velocity Factor
Coax Velocity Factor in Baluns Does it Matter Test results show coaxial cable velocity factor ...
By John Huggins
- Radial System Design
Are the lengths of antenna radials related to the height of a vertical By N6LF ...
Votes: 1 | Rating: 5
- Radial systems and ground
Radial systems for elevated and ground mounted vertical antennas by SteppIR
By SteppIR
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Votes: 4 | Rating: 8.25
- Radiation and fields
Electric Fields, magnetic fields, electromagnetic fields, losses, fresnel zone, nearfield and farfield
Votes: 1 | Rating: 10
- Radiation Characteristics
Tailoring Patterns for HF Verticals
- Rainbow Antenna Analyzer
A small and inexpensive measurement device designed to determine antenna performance across the amateur bands ...
Votes: 7 | Rating: 5.57
- Receiving Loop Theory - N4YWK
Sensitivity of multi turn receiving loops
William E. Payne, N4YWK
Votes: 2 | Rating: 5
- Restricted Space Antennas Notes
W5ALT Antenna notes for a dummy dedicated to restricted space antennas
Votes: 1 | Rating: 5
- RF Measurement on W3EDP antenna
RF Current measurements on a Long Wire W3EDP antenna
Votes: 2 | Rating: 5.5
- RMS power
How it's misused and misunderstood, and why it's not useful.
Votes: 3 | Rating: 6.67
- Selecting a Multi-Band Vertical
Choosing a vertical antenna Buying guide to amateur radio HF vertical antennas by Bencher inc ...
- Sensitivity of Multi Turn Receiving Loops
Magnetism is manifested as a field of vectors that is any point in the magnetic ...
- Small antennas and radiation resistance
Small antenna what causes loss and how to increase radiation resistance in small antennas A ...
By W8JI Tom Rauch
- Smart Antennas Tutorial
Smart antennas or the adaptive antenna array and smart antenna technology used with SDR cognitive ...
- Smith Chart Basics
Smith Chart it is a graphic tool for solving transmission lines problems
Votes: 1 | Rating: 10
- Some plain facts about multiband vertical antennas
There is considerable confusion as to what exactly a multiband vertical antenna is The confusion ...
Votes: 1 | Rating: 7
- Speedometers SWR Meters and Smith Charts
Have wondered why a Smith chart has such strange grid lines Believe it or not ...
Votes: 1 | Rating: 5
- Stacking for 50MHz
Summary of discussion on stacking antennas on six meter band
Votes: 1 | Rating: 10
- Stacking yagis on a single tower
How to stack different band yagi antenna in a single tower
- Stacking, Phasing and Matching Yagi Antennas
This is a synopsis of a talk presented to the Sydney VHF DX GROUP by ...
By VK2ZAB
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Votes: 2 | Rating: 10
- Stealth Attic Antennas for DX and Contesting?
Considerations on using attic antennas for dx anc contesting operations.
Votes: 1 | Rating: 8
- SWR - Power loss calculation
How is your SWR determine the power loss to expect for a given SWR includes ...
Votes: 3 | Rating: 7.67
- SWR Table
Power loss table by SWR values
Votes: 1 | Rating: 8
- T-Match Construction
The T Match with its balanced feed point is one method of feeding a Balanced ...
- Techlib.com Antennas
Introduction to homebrewing antenna, for AM FM band reception
Votes: 1 | Rating: 10
- Testing with the Loop Antenna
NRSC AM bandwidth measurements with the loop antenna
- The Antenna Elmer
Here you will find information about wire antennas as well as directional beams.
Votes: 26 | Rating: 7.35
- The Classic Beverage Antenna Revisited
This is a QST Article published in January 1982 by W1FB D Demaw and HH ...
By HH Beverage
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Votes: 1 | Rating: 6
- The Coaxial Line
Impedance matching, Transmission Lines, Characteristic Impedance, VSWR & Mismatch and Antenna Losses
- The decibel
dB the measure of performance explained at radioworks.com
- The DK7ZB-Match for Yagis
Simple easy to built match developed in 1995 for Yagis with resistitive loads of 12 ...
Votes: 8 | Rating: 6.38
- The Ferrite Rod Antenna
Theory of the ferrite rod antenna
Votes: 3 | Rating: 1
- The humble Yagi or should that be Uda
Article about Yagi-UDA antennas
Votes: 1 | Rating: 9
- The Impact of Current Distribution on Array Patterns
Technical Correspondence QST July 1990 Why even perfect phased array element currents don t produce ...
Votes: 1 | Rating: 10
- The mark 2 Crossfield Antenna
The mark 2 Crossfield Antenna was described in Sprat 76 by Alec, GD3HQR
- The mystery of radials
Effect of radials on the efficiency of antennas.
- The Petlowany Principle
Spipral antenna principle by a concept of Bill Petlowany K6NO Tak Antennas are based on ...
Votes: 1 | Rating: 10
- The Weird Antenna Wire End Effect
A half wave wire that is tuned for resonance on 80m will NOT be resonant ...
By VA3KOT
- The Yagi Antenna - Presentation
A presentation of the Yagi Antennas and other interesting tid bits by Brian Mileshosky This ...
By N5ZGT
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Votes: 2 | Rating: 7
- To Trap or Not to Trap
An interesting article on traps, pros and cons of trapping by W4RNL
By W4RNL
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Votes: 4 | Rating: 3.25
- Trap antennas, coaxial trap, coax dipole antenna loss resistance
Testing and comparison of traps and trap antennas
Votes: 4 | Rating: 9.5
- Understanding Antenna Polarization
What is antenna polarization and why does it matter Horizontal versus Vertical versus Circular polarization ...
By Peter McNeil
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Votes: 1 | Rating: 2
- Understanding Antennas For The Non-Technical Ham
A Book By Jim Abercrombie N4JA Reason for writing this book is to educate you ...
By AD4DX
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Votes: 3 | Rating: 6.67
- Understanding Radiation Patterns
Understanding and using antenna radiation patterns
- Understanding Standing Wave Ratios SWR
We worry a lot about Standing Wave Ratio SWR in amateur radio since SWR is ...
By KJ6RZ
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Votes: 8 | Rating: 4.75
- Understanding SWR by Example
Take the mystery and mystique out of standing wave ratio QST Article by K5DVW ...
Votes: 6 | Rating: 7.57
- Using Delta Matching on HF Beams
Using delta match with HF antennas design
Votes: 5 | Rating: 3
- Using MMANA-GAL for antenna modelling
G0KYA MMANA-GAL presentation and samples
Votes: 5 | Rating: 4.8
- Variations on a Dipole
Antenna patterns are all about interference Presentation on wire antennas for HF bands Dipoles horizontal ...
By AF7NX
- Vertical amtennas among the trees
Experiments on vertical antennas among the trees by ik2egl
- Vertical and Above
Using vertical on six meters band and above, by Peter Schleuss, HB9RUZ
- Vertical plane antennas' beaming comparision
Animated quad and yagi comparison You can see antennas characteristics behavior in a vertical plane ...
Votes: 17 | Rating: 4.1
- Vertical stacking of HF antennas
Benefits of stacking two HF antennas vertically
- Vertical vs Horizontal antenna separation
Isolation vs antenna separation an interesting article by WA6ILQ
Votes: 8 | Rating: 5.49
- Verticals. Ground systems and some history
Article gives a good overview of the basics and reflects the accepted wisdom from BC ...
Votes: 1 | Rating: 10
- VHF antennas, construction and use
Article by VU2GT about VHF antennas, how to evaluate performances and models.
- VHF/UHF Antenna mounting
Mounting antenna close each other Distance calculations and tips on setting up antennas by KB9VBR ...
Votes: 2 | Rating: 4
- VLF-LF and the Loop Aerial
The article discusses the theory of loop aerials for receiving and how they reduce the ...
- VSWR Reactive Power
Many antennas and antenna designers neglect the true cause of loss The major problem using ...
Votes: 1 | Rating: 6
- W1GHZ Microwave Antenna Book
The W1GHZ Online Microwave Antenna Book online
Votes: 15 | Rating: 6.67
- What We Can Expect from a 2-Element Beam
Method Units of Measure and the Dipole Standard of Reference This article helps in understanding ...
By W4RNL
- Which part of a dipole radiates most?
The title may seem a strange question Still it is often said that the part ...
By PA3FWM
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Votes: 1 | Rating: 9
- Why a Beam Antenna
Some basic antenna information for the newcomer
Votes: 1 | Rating: 10
- Why an Antenna Radiates
How antenna works by ARRL
Votes: 40 | Rating: 6.53
- Why Are Antennas Built to Look Like They Do?
Basic anctenna theory, general information on antennas
- Why does ice on a wire dipole affect the SWR?
Effects of ice an snow in a wire dipole antennas
By ham.stackexchange
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Votes: 1 | Rating: 1
- Why Radials ?
Butternut article on radials usage on vertical and ground plane antennas
By Butternut
- Why Vertical Antennas?
K2KW notes on verticals antennas
Votes: 1 | Rating: 10
- Windom over a House Roof
Experimenting OCF and dipole wire antennas over house roof Effects of roofs on wire antennas ...