- Introduction to HF - Aerials
- M0PZT
The following is the third part of a three part guide to help get started ...
[ Hits: 177 | Votes: 3 | Rating: 7.67 ]
- J-Pole theory
pop
The J Pole antenna is an omnidirectional antenna that can be used for base mobile ...
[ Hits: 30319 | Votes: 26 | Rating: 6.87 ]
- K-FACTOR Table & Chart
Determine the K-Factor used as a multiplier when constructing half-wave antennas.
[ Hits: 3224 | Votes: 42 | Rating: 4.02 ]
- L.B. Cebik - W4RNL documents by ON5AU
- ON5AU
A collection of antenna projects by W4RNL L B Cebik collected in a single link ...
[ Hits: 432 | 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 ...
[ Hits: 333 | Votes: 0 | Rating: 0 ]
- Link-Coupled Antenna Tuners
- W4RNL
W4RNL tutorial on on inductively coupled (link-coupled) antenna tuners
[ Hits: 2683 | Votes: 2 | Rating: 5.5 ]
- Liquid Metal Antenna
Liquid metal antenna using galinstan by Mike Lake KD8CIK
[ Hits: 1403 | Votes: 2 | Rating: 3 ]
- Loading inductors in mobile antennas
Mobile antennas loading coil current and loaded antennas efficiency and electrical rules Loading inductors used ...
[ Hits: 4287 | Votes: 5 | Rating: 5 ]
- Log Periodic vs Yagi Antenna
Article on Yagi and Log periodic antennas by Tom, K1JJ
[ Hits: 437 | Votes: 1 | Rating: 5 ]
- Loop Antenna Basics
Loop Antenna Basics and Regulatory Compliance for Short-Range Radio
[ Hits: 847 | Votes: 0 | Rating: 0 ]
- Low Noise Antenna Connection
Reducing noise to your antenna can gain your aerial performance, learn how.
[ Hits: 7574 | 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 ...
[ Hits: 2996 | Votes: 5 | Rating: 8.8 ]
- Marine corps antenna handbook
U.S. Marine Corps in PDF format
[ Hits: 4958 | 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 ...
[ Hits: 507 | Votes: 0 | Rating: 0 ]
- Measuring 2.4 GHz Helix Antennas
- IW2ACD
It is not very difficult to design and make a helix antenna for a specific ...
[ Hits: 749 | Votes: 5 | Rating: 9.2 ]
- Measuring Antenna System SWR
Have you measured the SWR at the antenna?
[ Hits: 347 | Votes: 1 | Rating: 10 ]
- Measuring Cable Loss
Improving measurement accuracy when
low-power analyzers are used.
[ Hits: 856 | Votes: 2 | Rating: 7.5 ]
- NVIS Propagation concept
Army Field Manual 24-18 Appendix M with Graphics
[ Hits: 2980 | Votes: 13 | Rating: 9 ]
- Optimizing Ground Radials in End-Fed Antennas
- w0btu
An interesting article focused on defining the optimal lenght and number of ground radials in ...
[ Hits: 434 | Votes: 1 | Rating: 10 ]
- Optimizing Inductors
While intended mainly for antenna loading coils this article also applies to other resonant systems ...
[ Hits: 552 | Votes: 1 | Rating: 10 ]
- Passive antenna re-radiators
Passive Antenna Re-radiators to function as Q Multipliers
[ Hits: 403 | Votes: 1 | Rating: 5 ]
- Phasing of two identical antennas
Phased Spaced Active Whips and Broadband Loops by WA1ION
[ Hits: 401 | Votes: 1 | Rating: 2 ]
- Phasing Systems
Antennas, Standard Delay Line Systems, Crossfire Phasing or Hybrids
[ Hits: 893 | Votes: 2 | Rating: 3 ]
- Polarization, lines of force
While polarisation may seem insignificant compared with other considerations in setting up a communications system ...
[ Hits: 526 | Votes: 0 | Rating: 0 ]
- Portable antenna comparison
Common antennas for portable use compared A vertical antenna a dipole antenna an inverted V ...
[ Hits: 773 | Votes: 0 | Rating: 0 ]
- Practical Antenna Modeling with 4NEC2
- AF7NX
Presentation about Practical Antenna Modeling Using the NEC Codes with examples of HF wire antennas ...
[ Hits: 482 | Votes: 0 | Rating: 0 ]
- QEX Ground System Experiments
N6LF series of experiments on ground systems for vertical antennas That series of reports was ...
[ Hits: 792 | Votes: 1 | Rating: 8 ]
- Quad or Loop antenna
Information about quad and loop antennas matching tips differences on polarization and impedence by PA0FRI ...
[ Hits: 920 | Votes: 3 | Rating: 4.33 ]
- Quarter Wave Verticals
One of the most useful antennas in the repertoire is the Marconi or quarter wave ...
[ Hits: 1762 | Votes: 2 | Rating: 7 ]
- Quarter Waves and Velocity Factor
- John Huggins
Coax Velocity Factor in Baluns Does it Matter Test results show coaxial cable velocity factor ...
[ Hits: 208 | Votes: 0 | Rating: 0 ]
- Radial System Design
Are the lengths of antenna radials related to the height of a vertical By N6LF ...
[ Hits: 859 | Votes: 1 | Rating: 5 ]
- Radial systems and ground
- SteppIR
Radial systems for elevated and ground mounted vertical antennas by SteppIR
[ Hits: 2297 | Votes: 4 | Rating: 8.25 ]
- Radiation and fields
Electric Fields, magnetic fields, electromagnetic fields, losses, fresnel zone, nearfield and farfield
[ Hits: 447 | Votes: 1 | Rating: 10 ]
- Radiation Characteristics
Tailoring Patterns for HF Verticals
[ Hits: 246 | Votes: 0 | Rating: 0 ]
- Rainbow Antenna Analyzer
A small and inexpensive measurement device designed to determine antenna performance across the amateur bands ...
[ Hits: 6769 | Votes: 7 | Rating: 5.57 ]
- Receiving Loop Theory - N4YWK
Sensitivity of multi turn receiving loops
William E. Payne, N4YWK
[ Hits: 802 | Votes: 2 | Rating: 5 ]
- Restricted Space Antennas Notes
W5ALT Antenna notes for a dummy dedicated to restricted space antennas
[ Hits: 755 | Votes: 1 | Rating: 5 ]
- RF Measurement on W3EDP antenna
RF Current measurements on a Long Wire W3EDP antenna
[ Hits: 628 | Votes: 2 | Rating: 5.5 ]
- RMS power
How it's misused and misunderstood, and why it's not useful.
[ Hits: 677 | 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 ...
[ Hits: 1669 | Votes: 0 | Rating: 0 ]
- Sensitivity of Multi Turn Receiving Loops
Magnetism is manifested as a field of vectors that is any point in the magnetic ...
[ Hits: 353 | Votes: 0 | Rating: 0 ]
- Small antennas and radiation resistance
- W8JI Tom Rauch
Small antenna what causes loss and how to increase radiation resistance in small antennas A ...
[ Hits: 884 | Votes: 0 | Rating: 0 ]
- Smart Antennas Tutorial
Smart antennas or the adaptive antenna array and smart antenna technology used with SDR cognitive ...
[ Hits: 467 | Votes: 0 | Rating: 0 ]
- Smith Chart Basics
Smith Chart it is a graphic tool for solving transmission lines problems
[ Hits: 313 | 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 ...
[ Hits: 1910 | 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 ...
[ Hits: 479 | Votes: 1 | Rating: 5 ]
- Stacking for 50MHz
Summary of discussion on stacking antennas on six meter band
[ Hits: 1181 | Votes: 1 | Rating: 10 ]
- Stacking yagis on a single tower
How to stack different band yagi antenna in a single tower
[ Hits: 321 | Votes: 0 | Rating: 0 ]
- Stacking, Phasing and Matching Yagi Antennas
- VK2ZAB
This is a synopsis of a talk presented to the Sydney VHF DX GROUP by ...
[ Hits: 240 | Votes: 2 | Rating: 10 ]
- Stealth Attic Antennas for DX and Contesting?
Considerations on using attic antennas for dx anc contesting operations.
[ Hits: 378 | Votes: 1 | Rating: 8 ]
- SWR - Power loss calculation
How is your SWR determine the power loss to expect for a given SWR includes ...
[ Hits: 434 | Votes: 3 | Rating: 7.67 ]
- SWR Table
Power loss table by SWR values
[ Hits: 434 | Votes: 1 | Rating: 8 ]
- T-Match Construction
The T Match with its balanced feed point is one method of feeding a Balanced ...
[ Hits: 767 | Votes: 0 | Rating: 0 ]
- Techlib.com Antennas
Introduction to homebrewing antenna, for AM FM band reception
[ Hits: 279 | Votes: 1 | Rating: 10 ]
- Testing with the Loop Antenna
NRSC AM bandwidth measurements with the loop antenna
[ Hits: 580 | Votes: 0 | Rating: 0 ]
- The Antenna Elmer
Here you will find information about wire antennas as well as directional beams.
[ Hits: 9297 | Votes: 26 | Rating: 7.35 ]
- The Classic Beverage Antenna Revisited
- HH Beverage
This is a QST Article published in January 1982 by W1FB D Demaw and HH ...
[ Hits: 567 | Votes: 1 | Rating: 6 ]
- The Coaxial Line
Impedance matching, Transmission Lines, Characteristic Impedance, VSWR & Mismatch and Antenna Losses
[ Hits: 888 | Votes: 0 | Rating: 0 ]
- The decibel
dB the measure of performance explained at radioworks.com
[ Hits: 425 | Votes: 0 | Rating: 0 ]
- The DK7ZB-Match for Yagis
Simple easy to built match developed in 1995 for Yagis with resistitive loads of 12 ...
[ Hits: 3637 | Votes: 8 | Rating: 6.38 ]
- The Ferrite Rod Antenna
Theory of the ferrite rod antenna
[ Hits: 880 | Votes: 3 | Rating: 1 ]
- The humble Yagi or should that be Uda
Article about Yagi-UDA antennas
[ Hits: 349 | 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 ...
[ Hits: 756 | Votes: 1 | Rating: 10 ]
- The mark 2 Crossfield Antenna
The mark 2 Crossfield Antenna was described in Sprat 76 by Alec, GD3HQR
[ Hits: 719 | Votes: 0 | Rating: 0 ]
- The mystery of radials
Effect of radials on the efficiency of antennas.
[ Hits: 368 | Votes: 0 | Rating: 0 ]
- The Petlowany Principle
Spipral antenna principle by a concept of Bill Petlowany K6NO Tak Antennas are based on ...
[ Hits: 865 | Votes: 1 | Rating: 10 ]
- The Weird Antenna Wire End Effect
- VA3KOT
A half wave wire that is tuned for resonance on 80m will NOT be resonant ...
[ Hits: 95 | Votes: 0 | Rating: 0 ]
- The Yagi Antenna - Presentation
- N5ZGT
A presentation of the Yagi Antennas and other interesting tid bits by Brian Mileshosky This ...
[ Hits: 546 | Votes: 2 | Rating: 7 ]
- To Trap or Not to Trap
- W4RNL
An interesting article on traps, pros and cons of trapping by W4RNL
[ Hits: 4155 | Votes: 4 | Rating: 3.25 ]
- Trap antennas, coaxial trap, coax dipole antenna loss resistance
Testing and comparison of traps and trap antennas
[ Hits: 3166 | Votes: 4 | Rating: 9.5 ]
- Understanding Antenna Polarization
- Peter McNeil
What is antenna polarization and why does it matter Horizontal versus Vertical versus Circular polarization ...
[ Hits: 170 | Votes: 1 | Rating: 2 ]
- Understanding Antennas For The Non-Technical Ham
- AD4DX
A Book By Jim Abercrombie N4JA Reason for writing this book is to educate you ...
[ Hits: 1547 | Votes: 3 | Rating: 6.67 ]
- Understanding Radiation Patterns
Understanding and using antenna radiation patterns
[ Hits: 534 | Votes: 0 | Rating: 0 ]
- Understanding Standing Wave Ratios SWR
- KJ6RZ
We worry a lot about Standing Wave Ratio SWR in amateur radio since SWR is ...
[ Hits: 8721 | Votes: 8 | Rating: 4.75 ]
- Understanding SWR by Example
Take the mystery and mystique out of standing wave ratio QST Article by K5DVW ...
[ Hits: 1709 | Votes: 6 | Rating: 7.57 ]
- Using Delta Matching on HF Beams
Using delta match with HF antennas design
[ Hits: 5668 | Votes: 5 | Rating: 3 ]
- Using MMANA-GAL for antenna modelling
G0KYA MMANA-GAL presentation and samples
[ Hits: 589 | Votes: 5 | Rating: 4.8 ]
- Variations on a Dipole
- AF7NX
Antenna patterns are all about interference Presentation on wire antennas for HF bands Dipoles horizontal ...
[ Hits: 98 | Votes: 0 | Rating: 0 ]
- Vertical amtennas among the trees
Experiments on vertical antennas among the trees by ik2egl
[ Hits: 760 | Votes: 0 | Rating: 0 ]
- Vertical and Above
Using vertical on six meters band and above, by Peter Schleuss, HB9RUZ
[ Hits: 352 | Votes: 0 | Rating: 0 ]
- Vertical plane antennas' beaming comparision
Animated quad and yagi comparison You can see antennas characteristics behavior in a vertical plane ...
[ Hits: 3208 | Votes: 17 | Rating: 4.1 ]
- Vertical stacking of HF antennas
Benefits of stacking two HF antennas vertically
[ Hits: 349 | Votes: 0 | Rating: 0 ]
- Vertical vs Horizontal antenna separation
Isolation vs antenna separation an interesting article by WA6ILQ
[ Hits: 1042 | 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 ...
[ Hits: 1628 | Votes: 1 | Rating: 10 ]
- VHF antennas, construction and use
Article by VU2GT about VHF antennas, how to evaluate performances and models.
[ Hits: 995 | Votes: 0 | Rating: 0 ]
- VHF/UHF Antenna mounting
Mounting antenna close each other Distance calculations and tips on setting up antennas by KB9VBR ...
[ Hits: 749 | 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 ...
[ Hits: 1368 | Votes: 0 | Rating: 0 ]
- VSWR Reactive Power
Many antennas and antenna designers neglect the true cause of loss The major problem using ...
[ Hits: 226 | Votes: 1 | Rating: 6 ]
- W1GHZ Microwave Antenna Book
The W1GHZ Online Microwave Antenna Book online
[ Hits: 9217 | Votes: 15 | Rating: 6.67 ]
- What We Can Expect from a 2-Element Beam
- W4RNL
Method Units of Measure and the Dipole Standard of Reference This article helps in understanding ...
[ Hits: 101 | Votes: 0 | Rating: 0 ]
- Which part of a dipole radiates most?
- PA3FWM
The title may seem a strange question Still it is often said that the part ...
[ Hits: 157 | Votes: 1 | Rating: 9 ]
- Why a Beam Antenna
Some basic antenna information for the newcomer
[ Hits: 1043 | Votes: 1 | Rating: 10 ]
- Why an Antenna Radiates
How antenna works by ARRL
[ Hits: 14807 | Votes: 40 | Rating: 6.53 ]
- Why Are Antennas Built to Look Like They Do?
Basic anctenna theory, general information on antennas
[ Hits: 422 | Votes: 0 | Rating: 0 ]
- Why does ice on a wire dipole affect the SWR?
- ham.stackexchange
Effects of ice an snow in a wire dipole antennas
[ Hits: 337 | Votes: 1 | Rating: 1 ]
- Why Radials ?
- Butternut
Butternut article on radials usage on vertical and ground plane antennas
[ Hits: 957 | Votes: 0 | Rating: 0 ]
- Why Vertical Antennas?
K2KW notes on verticals antennas
[ Hits: 335 | Votes: 1 | Rating: 10 ]
- Windom over a House Roof
Experimenting OCF and dipole wire antennas over house roof Effects of roofs on wire antennas ...
[ Hits: 487 | Votes: 0 | Rating: 0 ]
- Yagi Antenna Design by G4CQM
- G4CQM
A selection of technical articles and analysis offering guidance and insight to enable you to ...
[ Hits: 117 | Votes: 1 | Rating: 10 ]
- Zeppelin aerials
- OK1MMN
Zeppelin Antenna notes historical references and a description of the classic Zeppelin antenna how current ...
[ Hits: 166 | Votes: 3 | Rating: 7 ]