THEORY ANTENNA's (155)

• 6m Groundplane Vertical Antenna Design
• A Comparison of Commercial 6m Antennas
• Troubleshooting Traps by EI7BA
• A discussion of Antenna Theory by K9ERG
• A Hairpin Match for the 5-element Tonna
• AA3PX Antenna Page -- Conversations with Dr. Harold H. Beverage
• Amateur Radio RF Safety Calculator
• Antennas - Online course. Covers these antennas: arrays, corner-reflector, dipole, folded-dipole, ground-plane, long-wire, rhombic, turnstile, V, and Yagi
• Antenna Analyzers -- Discussion From G3YCC Pages
• Antenna Application Notes 
• Antenna Basics
• Antenna Basics -- Tutorial 
• Antenna design article collection KB4YLY
• Antenna Discussions -- Lots Of Antenna Info From the CQ Contest Archives
• Antenna Discussions -- Tons of Antenna & Tower Info From the Tower Talk Archives
• Antenna Ideas - by W9PPG
• Antenna Patterns - Radiation patterns and other properties for these antennas: dipole, horn, loop (circular and square), parabolic, whip, and Yagi.
• Antennas & Transmission Lines
• Antenna Theory 101 -- Tutorial by KD4SAI
• Antenna topics, W4RNl
• Antennas experimentation, evaluation, balance by W8WWV
• Cheap VHF/UHF Antennas  - Here is the dimensions to make your own yagi
• Coaxial Traps
• Crossed-Field Antenna References
• Electromagnetic Wave Propagation by Conduction by VE3BMV
• Elevation Solutions for Yagis By GM4JJJ.
• Eliminate that 6m QRM!
• From Europort, PA3EPD, semi-portable. Is this the future for many of us?
• Ground-mounted Verticals
• Hints and tips for building the NBS Yagi's by G3SYC and M0BCG
• Ideas antenna fixed or portable by G3WQW
• K1TTT Technical Reference -- Loaded
• KB1GW's collection of Beverage Antenna Information
• K-FACTOR Chart & Table - Element Length Adjustment
• Loop antennas discussion (James Dale-ANARC Page)
• Low Loss Japanese Coaxial Cable
• Magnetic Loop antenne's. - Good article!
• Magnetic Loops for transmitting and receiving  by ON4CEO introduccion
• Microwave Antennas - Online course. Covers these antennas: arrays, horn, lens, parabolic, and slot.
• No Tuner Antenna System  by KA3MRX
• Nociones Elementales sobre las Antenas  2  3  4  5  6  7  8 - Onda Corta - 1933
• Omega and Gamma Matching: Contains technical information on Omega and Gamma matches, impedance limits, component selection, component failures  - by W8JI
• Optimised Six-Metre Yagi
• Polarization and diversity: Think you can have the best of the two worlds of vertical and horizontal? Think again! - by W8JI
• Practical Antenna Notes -- Loaded with ideas -- Invisible and Hidden Antennas -- 
• Publications on Antenna Simulations
• Quantum Loop I reviewed by Shawn Axelrod (a bit dated!!)
• Quantum Loop II notes by Mark Connelly
• Radiation and Fields:  Electric field, magnetic field, Fresnel zone What the terms we use actually describe - by W8JI
• Radiation Resistance: A revised (as of Feb 14, 03) tutorial on radiation resistance and how it is used and misused  by W8JI
• Ranking of Common Antennas for Receiving - 160 meters by W8JI
• Satellite Antenna Tips
• Smart Antenna Systems Tutorial
• Smart Antenna Systems Tutorial
• Smart Antenna Systems Tutorial: Index
• Standard G5RV Information
• Stacking Yagi Antennas
• Stealth Antenna Experiences - From Clif's ham radio connection.
• Technical Antennas Reference Page
• The antenna elmer
• The "Assistant" 50MHz Pre-amplifier & PA
• The Basic Antenna, Part One Two Three  four  Five  by W6WQC
• The Gain of an Endfire Array
• The Gain of Aerials: the Myths ExplainedAzimuth Precision - knowing your Yagi!
• The Optimized Wide Band Antenna
• The ZR6YY Antenna for 6m
• Transmission Lines and Matching Systems
  Tutorial - Yagi Antenna Design
• Tutorial - Yagi Antenna Design 
• Zen and the Art of Stacking
• Yagi
• Cubical Quad
• Hybrid
• Verticals
• Mobile Antennas
• 4 Element Quad
• 4 Element Yagi NEW!

• Antenna Factor  The decibel, a difficult unit All antenna manufacturers specifies the gain of their VHF/UHF antennas in decibels, or dB for short. The problem is that decibel is really only a ratio, not a fixed .

• Antenna Application Note 47899   note on this site, many rumors and misconceptions exist in the amateur radio world about stacking VHF/UHF antennas on the same mast. One of these is that you have to space yagis far apart to make.

• http://w3eax.umd.edu/~ham/resume.txt   transmitters, HF through UHF, and accessories. Designed, constructed, and installed HF/VHF/UHF antennas. Familiar with error-correcting codes, AX.25 packet, and other digital modulation techniques

• N2000XU Fund Raising Goals Goals  expansion. In short, the club wants to add a new tower so that additional HF and VHF/UHF antennas can be installed. This expansion will give members the greatest variety of operating activities.

• RT] Antenna Field Measurements   The only _accurate_ way to determine the radiation patterns >> of VHF/UHF antennas is on a calibrated test range.

• VHF_antennas Discussion

• Engineering Help Formulae

• Antenna Basics and Theory -- WOW -- See this One -- From Navy Training Series

• Antenna Basics and Theory -- From Ian C. Purdie, VK2TIP

• Antenna Basics and Theory -- Excellent Tutorial From Scott's Pages

• Antenna Basics and Theory -- Excellent From Integrated Publishing

• Antenna Basics and Theory -- From Sub-TV

• Antenna Basic Radiation Theory-- From The ARRL

• Antenna Basics and Theory --  Excellent - From VK2DQ

• Antenna Construction Tips -- Metals to use. From Bob Hejl - W2IK

• Antenna Dimension Calculators -- From The Antenna Elmer - Click On Antenna Type

• Antenna Dimension Calculators -- Inverted Vee And Dipoles

• Antenna Dimensions Calculator-- Dipoles From AMANDX

• Antenna Dimensions Calculators -- Loops, Dipoles, Delta Loop, and 5/8 waves -- KK5HY

• Antenna Height? -- How High Should They Be? -- By Mike Banz, AA3RL

• Antenna Tuner Theory -- From The ARRL

• Antenna Tuners and SWR -- From The ARRL

• Antenna Tuners - How to use

• Baluns What Do They Do -- From W7EL

• Baluns -- IZ7ATH

• Baluns and Choke Baluns -- From Ian C. Purdie, VK2TIP

• Baluns - W8JI Antenna Articles  Toroid Balun Winding * Balun and Transformer Core Selection * Transmitting Baluns 

• Choosing Wire For An Antenna

• Dipole End Insulator Installation -- Lots of photos From NorthWest Antennas

• Feed-Lines & Impedance Matching - From "Your Remote S-Meter" Pages

• Ground & Radial Systems -- From Butternut

• Ground and Radial Systems -- From SteppIR Antennas

• Ground Characteristics, Lightning Protection Grounds, Radio Frequency Grounds, and Practical Grounding Systems. From "Your Remote S-Meter" Pages

• Height Of Dipoles - Patterns By AA3RL

• Loaded Antennas - From Tom W8JI

• Noise -- Technical article about noise and receiving/ receiving antennas  From Tom W8JI

• NVIS I- Near Vertical Incident Skywave Antennas -- By Patricia Gibbons - WA6UBE

• NVIS II - Near Vertical Incident Skywave Antennas  Via WB5UDE

• NVIS III - Near Vertical Incident Skywave Antennas  Via W0IPL

• QuarterWave Antenna installation notes -- includes ground/raised radial info -- From Butternut

• Radials and Ground Systems -- From Butternut

• Radials and Ground Systems -- From SteppIR

• Radiation And Fields -- From Tom W8JI

• Radiation Resistance -- From Tom W8JI

• Slingshot method for hanging SkyWires

• Stacking Yagi Antennas -- From the ARRL

• Tower Topics, Raising, Specs -- Several Links

• Traps -- Excellent From Tom W8JI

• TrapDip  Design and performance of 2-band trapped dipole antennas including trap design. Lots more

• Vertical Antennas - Dirty Little Secrets, Ground/Radial Systems - Click On Tech Notes

• The Effects of VSWR on Transmitted Power --By James G. Lee, W6VAT

• V/UHF Antenna Design (PFD) - Covers these antennas: dipole, helical, loop, patch, and quarter-wave.
• Weapon Antennas DX Secret Weapon
•  

FOR VERTICAL ANTENNAS:

• Self-Contained Vertically Polarized Wire Antennas: A Family Album Parts 1-6 (05-15-1999, 01-14-2003, 02-05-2005)
• Voltage Feeding SCV Loops (08-14-1998)
• The 40-Meter Bobtail Curtain as An All-Band Wire Antenna (05-27-2003, 02-04-2005)
• Notes on All-Band Use of Vertical-Plane Deltas (10-13-1997)
• Verticals Without Vertigo (05-13-1999)
• Some Techniques for Building a QRP Field Vertical (05-24-2002)
• Counterpoises, Capacity Hats, and A Standard (11-01-2004)
• The 5/8-Wavelength Mystique (04-17-2001)
• Some Facts of Life About Modeling 160-Meter Vertical Arrays Parts 1-5 (08-01-2001)
• Your First 160-Meter Antenna (06-07-2005)
• Models with Buried Radials: A Small Compendium (08-31-2004)
• Pursuing the (Nearly) Perfect Parasitic Vertical Array for 160 Meters Parts 1-2 (01-01-2002)
• Half-Length 80-Meter Vertical Monopoles: the Best Method of Loading Parts 1-5 (05-12-1997)
• Vertical Dipoles and Ground Planes: What Antenna Modeling Reports (09-22-1998)
• A Modeling Perspective on "Ground" Planes Parts 1-5 (06-06-1997)
• The Insulated Radial Question (05-01-2003)
• Where Do I Hang My Hat? (10-31-1998)
• The 40-Meter 3-Way Special (07-20-1997)
• 3 Wires = The Whole World (02-05-1999)
• A Triangle for the Short Vertical Operator (02-05-1999)
• HF Vertically-Oriented Moxon Rectangles: A 40-Meter Example (12-28-2004)
• An 80-Meter LPMA: A Design Idea and a Modeling Dilemma Parts 1-2 (05-01-2002) (PDF)

HORIZONTAL ANTENNAS:

• Just Tall. That's All. Some Principles of Portable Antennas to Strive For (08-29-2003)
• Wi're We Using Wire? (01-19-1998)
• A Note on Wire Size and Material (08-08-1998)
• Blunting the Edge of Cutting Formulas (10-25-2004)
• 10 Frequency Asked Questions about the All-Band Doublet (6-3-2005)
• The Zig-Zag Dipole-Doublet (01-01-2000)
• Unfolding the Story of the Folded Dipole (03-12-2000, updated 12-04-2001)
• Modeling the T2FD (06-07-1999)
• Notes on the Terminated Wide-Band "Folded Dipole" (06-01-2000, 07-19-2000, 02-13-2004, 10-22-2005)
• The G5RV Antenna System Re-Visited Parts 1-3 (05-21-2003)
• The "Ideal" Back-Up Antenna for 80-20 Meters (09-08-2005)
• Some ABCs of A-B-C: Notes on Triangles of Doublets (02-15-2003)
• Resurrecting the Y-Doublet (05-16-2003)
• Notes on All-Band Use of Horizontal-Plane Loops (10-28-1997)
• A 40-Meter Star (04-13-2003)
• Horizontally Oriented, Horizontally Polarized Large Wire Loop Antennas (03-29-1999)
• Horizontal Loops: How Big? How High? What Shape? (10-21-2004)
• Vertically Oriented Multi-Band Antennas (05-20-2000)
• The All-Band Center-Fed Inverted-L (03-06-1999, 06-14-1999)
• Straightening Out the Inverted-L (06-01-2005)(PDF)
• To Trap or Not to Trap (12-20-1997)
• Some Notes on NVIS Cloud Burners (11-05-2002)
• NVIS: From the Backyard to Professional Installations (05-08-2003; 05-24-2003)
• Horizontal Heights and Sound Bites: A Short Note Relevant to NVIS Antennas (06-20-2005)
• Vertically Radiating Horizontal Antennas (03-15-1997)
• The IL-ZX Antenna for 40 Meters (06-30-1997, 12-27-2001, 09-27-2003)
• Notes on Full and Shrunken 40-Meter Quads (12-30-1997)
• Some Notes on Lower-HF Wire Beams (09-07-1997)
• Notes on a Wire Beam for 80 and 75 Meters (04-09-1997)
• A Note on Substituting Wire Elements in Lower HF Arrays (03-10-2000)
• 80-Meter Wire LPDAs(04-01-2002)
• Some Notes on Antenna Bandwidth (01-22-1997)
• 40 + 30 = 50 (Not 70) (10-23-2001)
• Short Beams and Operating Bandwidth (10-05-1997)
• My Top 5 Backyard Multi-Band Antennas (08-11-2004)(PDF)

YAGI THEORY ANTENNAS:

• Horizontal and Vertical Yagi Orientation (10-13-1998)
• Lobe Formation With Height Increases in Horizontal Antennas (04-30-1999)
• Modeling 6 Long-Boom Yagis (07-20-1998)
• What Can We Expect From a 2-Element Beam? Parts 1-5 (05-09-1997)
• Mastering Some Mysteries of 2-Element Beams Part 1 (05-19-2001)
• Mastering Some Mysteries of 2-Element Beams Part 2 (05-24-2002)
• The Monoband Log-Cell Yagi Revisited Parts 1 to 4 (07-14-2000)
• The G4ZU Bird Yagi (04-02-1997, 03-01-2005)
• Coils, Linear Loads, and Capacity Hats: An Overview of Small Loaded Yagis (01-17-1998)
• Director/Driven Element 2-Element Yagis: Some Ideas for 12 and 17 Meters (07-25-1999)
• Using Moxon Rectangles for WARC-Band Antennas
  Part 1: Some 17-12 Meter Ideas (05-01-2000, 08-04-2000)
  Part 2: Some 30-17-12 Meter Ideas (06-01-2000)
• A Truly Portable Moxon Rectangle for Nearly No-Tool Field Assembly (02-01-2003)
• Designing Moxon Rectangles by Equation and by Model (10-01-2000)
• Moxon Rectangles (General Index with Dimension Calculator): 22 Items (02-28-2005)
• The Elusive Moxon Nest (06-01-2003)
• Moxon-Modifying the C3-Type Tri-Bander (06-01-2002)
• A Tale of 4 Beams: The X, the Hex, the Square, and the Rect (09-01-2000)
• Yagi Element Diameter Differences Do Make a Difference (07-01-2000)
• Notes on Reversible Yagi Arrays (09-01-2003)
• I Want to Build a 3-Element Yagi Parts 1-4 (08-01-1999)
• Stacking Yagis 3 Items (09-17-1999)
• 1-2-3: 1 Boom, 2 Bands, 3 Elements Each (03-07-1998)
• Three Forward-Stagger 5-Band Yagis from ON4ANT (08-28-1998, 04-18-1999, 07-16-1999)

BOOKS, MAGAZINES

• DX Notebook Antenna Page
• DXing on the Edge - The Thrill of 160 Meters
• Antennas books RSGB
• Joe Carr's Loop Antenna Handbook
• Joe Carr's Receiving Antenna Handbook
• Carr's short antenna articles on DXing.com
• Carr's books also available via ODXA Mail Order
• ZJ Electronics antennas menu -- discusses Slinky beverages, etc.
• The 160-Meter Band: An Enigma Shrouded in Mystery
• Discussions of the performance of EWE antennas in ham radio
• ELECTROMAGNETIC THEORY AND ANTENNAS-2 VOL.SET-NR 
• Excellent article by Howard Francis, W9NHM on getting on 160 easily.
• From Tower Talk: EWE vs K9AY loops
• ODXA reprints of Antenna Artticles
• Bruce Carter's AM/FM DXers Hobby Page
• ON4UN's Low Band DXing
• Nordic Shortwave Cente Antenna pages excellent antenna topics
• RJELOOP3.exe software for antenna homebrewers (Reg G4FGQ)
• Reprint March '76 PE loop construction article by Norman Fallon
• Jospeh Cooper VE3FMQ Pop-Comm AM DX articles
• Setting up a succesful Broadcast Band Monitoring Station
• LOOP article-Tuning up your Broadcast Band Monitoring Station
• Proceedings Review of The Kiwa Loop (Funkenhauser)
• Published Reviews of Kiwa products
• Kiwa Pocket Loop Antenna and Regen Module
• NASWA review
• ODXA review
• Kraemer's informal reviews Kiwa, Kowalski, Radio West, and Quantum II loops
• Review by Marc Bulmer writing Southern Cross DX Club's DX POST
• Review by Loren Cox writing in Review of International Broadcasting
• Simple, Low Cost Wire Antennas for Amateurs

TEHORY - CB ANTENNAS

• Co-Phasing
• Circular Polarization
• Angle of Radiation
• Earth Ground
• Antenna Basics
• Coax Basics

back XE1BEF