Theory

Antenna theory, basics,design antenna

Home : Antennas : Theory : Page 4
  Antenna Tech. ref DX Ham Radio Software Equipment Manufacturers Shops Operating Modes Internet Scanner Shortwave CB Antique
  (Featuring 222 links) New Links Popular Top Rated Add a link Modify

Home : Antennas : Theory : Page 4

  • NVIS Propagation concept - Army Field Manual 24-18 Appendix M with Graphics
    [ Hits: 2610 | Votes: 12 | Rating: 8.92 ]
  • Optimizing Inductors - While intended mainly for antenna loading coils, this article also applies to other resonant systems, such as amplifier tank circuits.
    [ Hits: 413 | Votes: 1 | Rating: 10.00 ]
  • Passive antenna re-radiators - Passive Antenna Re-radiators to function as Q Multipliers
    [ Hits: 243 | Votes: 1 | Rating: 5.00 ]
  • Phasing of two identical antennas - Phased Spaced Active Whips and Broadband Loops by WA1ION
    [ Hits: 266 | Votes: 0 | Rating: 0.00 ]
  • Phasing Systems - Antennas, Standard Delay Line Systems, Crossfire Phasing or Hybrids
    [ Hits: 668 | Votes: 2 | Rating: 3.00 ]
  • Polarization, lines of force - While polarisation may seem insignificant compared with other considerations in setting up a communications system, choosing the right type can make significant improvement in performance.
    [ Hits: 377 | Votes: 0 | Rating: 0.00 ]
  • Portable antenna comparison - Common antennas for portable use compared. A vertical antenna, a dipole antenna an inverted V and a fan dipole all at same height.
    [ Hits: 604 | Votes: 0 | Rating: 0.00 ]
  • QEX Ground System Experiments - N6LF series of experiments on ground systems for vertical antennas. That series of reports was converted, with some modifications, into a series fo seven articles in QEX magazine.
    [ Hits: 546 | Votes: 1 | Rating: 8.00 ]
  • Quad or Loop antenna - Information about quad and loop antennas, matching tips, differences on polarization and impedence by PA0FRI
    [ Hits: 765 | Votes: 3 | Rating: 4.33 ]
  • Quarter Wave Verticals - One of the most useful antennas in the repertoire is the Marconi or quarter wave grounded vertical antenna. Its invention made it possible to halve the length of antennas, simplifying communications, especially at HF and below.
    [ Hits: 1551 | Votes: 2 | Rating: 7.00 ]
  • Radial System Design - Are the lengths of antenna radials related to the height of a vertical? By N6LF
    [ Hits: 673 | Votes: 1 | Rating: 5.00 ]
  • Radial systems and ground - Radial systems for elevated and ground mounted vertical antennas by SteppIR
    [ Hits: 1927 | Votes: 4 | Rating: 8.25 ]
  • Radiation and fields - Electric Fields, magnetic fields, electromagnetic fields, losses, fresnel zone, nearfield and farfield
    [ Hits: 344 | Votes: 1 | Rating: 10.00 ]
  • Radiation and scattering - Basic antenna theory, Antenna directivity and effective area, Antenna arrays
    [ Hits: 2914 | Votes: 2 | Rating: 10.00 ]
  • Radiation Characteristics - Tailoring Patterns for HF Verticals
    [ Hits: 127 | Votes: 0 | Rating: 0.00 ]
  • Radio - The Easy Way - PDF article on Antenna of non resonant lenght, line attenuation, the transmatch, baluns by WB5IIR
    [ Hits: 174 | Votes: 0 | Rating: 0.00 ]
  • Rainbow Antenna Analyzer - A small and inexpensive measurement device designed to determine antenna performance across the amateur bands through use of automatically collected SWR readings
    [ Hits: 5674 | Votes: 3 | Rating: 3.33 ]
  • Receiving Loop Theory - N4YWK - Sensitivity of multi turn receiving loops William E. Payne, N4YWK
    [ Hits: 575 | Votes: 1 | Rating: 1.00 ]
  • Restricted Space Antennas Notes - W5ALT Antenna notes for a dummy dedicated to restricted space antennas
    [ Hits: 451 | Votes: 0 | Rating: 0.00 ]
  • RF Measurement on W3EDP antenna - RF Current measurements on a Long Wire W3EDP antenna
    [ Hits: 215 | Votes: 1 | Rating: 1.00 ]
  • RMS power - How it's misused and misunderstood, and why it's not useful.
    [ Hits: 451 | 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: 1274 | Votes: 0 | Rating: 0.00 ]
  • Sensitivity of Multi Turn Receiving Loops - Magnetism is manifested as a 'field of vectors', that is, any point in the magnetic field has not only a magnitude, but a direction in space. The four Maxwell equations describe how electric and magnetic vector fields behave and interact.
    [ Hits: 224 | Votes: 0 | Rating: 0.00 ]
  • Single-stub matching - Single-stub matching of transmission lines to loads A worked example
    [ Hits: 373 | Votes: 6 | Rating: 4.00 ]
  • Sloper Antenna Tests - Mark Connelly - WA1ION tests on slooper antennas
    [ Hits: 2857 | Votes: 1 | Rating: 2.00 ]
  • Small antennas and radiation resistance - Small antenna, what causes loss and how to increase radiation resistance in small antennas., A description of loss and radiation resistance.
    [ Hits: 748 | Votes: 0 | Rating: 0.00 ]
  • Small High-Efficiency Loops - Article about small loop antennas by W5QJR published on QST 6-86
    [ Hits: 198 | Votes: 0 | Rating: 0.00 ]
  • Smart Antennas Tutorial - Smart antennas or the adaptive antenna array and smart antenna technology used with SDR, cognitive radio, MIMO, and other new technologies.
    [ Hits: 302 | Votes: 0 | Rating: 0.00 ]
  • Smith Chart Basics - Smith Chart it is a graphic tool for solving transmission lines problems
    [ Hits: 195 | Votes: 1 | Rating: 10.00 ]
  • Some plain facts about multiband vertical antennas - There is considerable confusion as to what exactly a multiband vertical antenna is. The confusion concerns the method of feed, how much mismatch one can expect, how many radials are required, how the particular antenna is built for multiband use, plus some other points.
    [ Hits: 1696 | Votes: 1 | Rating: 7.00 ]
  • Speedometers SWR Meters and Smith Charts - Have wondered why a Smith chart has such strange grid lines. Believe it or not, there is a logical progression from Speedometers to Smith charts that will make the Smith grid crystal clear.
    [ Hits: 329 | Votes: 1 | Rating: 5.00 ]
  • Stacking for 50MHz - Summary of discussion on stacking antennas on six meter band
    [ Hits: 1022 | Votes: 1 | Rating: 10.00 ]
  • Stacking yagis on a single tower - How to stack different band yagi antenna in a single tower
    [ Hits: 141 | Votes: 0 | Rating: 0.00 ]
  • Stealth Attic Antennas for DX and Contesting? - Considerations on using attic antennas for dx anc contesting operations.
    [ Hits: 245 | Votes: 1 | Rating: 8.00 ]
  • SteppIR Element Length Study - Four EZNEC studies for the 3 element SteppIR for 17 meter
    [ Hits: 696 | Votes: 4 | Rating: 5.50 ]
  • Switching Solutions - Creative Contest/DX Station Switching Solutions by W7VP on NCJ
    [ Hits: 85 | Votes: 0 | Rating: 0.00 ]
  • SWL antenna distribution system - A methodology for connecting multiple LF/MF/HF receivers to a single antenna via readily available and inexpensive 75-ohm TV cable. Custom made baluns and splitters provide impedance matching and prevent interaction between receivers.
    [ Hits: 1209 | Votes: 1 | Rating: 8.00 ]
  • SWR - Power loss calculation - How is your SWR - determine the power loss to expect for a given SWR, includes an excel spreadsheet by n3ujj
    [ Hits: 182 | Votes: 2 | Rating: 7.50 ]
  • SWR Table - Power loss table by SWR values
    [ Hits: 195 | Votes: 1 | Rating: 8.00 ]
  • SWR with non-resonant antennas - SWR with multiband and non-resonant antennas
    [ Hits: 761 | Votes: 2 | Rating: 6.50 ]
  • T-Match Construction - The T-Match with its balanced feed point is one method of feeding a Balanced Dipole.
    [ Hits: 544 | Votes: 0 | Rating: 0.00 ]
  • Techlib.com Antennas - Introduction to homebrewing antenna, for AM FM band reception
    [ Hits: 99 | Votes: 0 | Rating: 0.00 ]
  • Testing with the Loop Antenna - NRSC AM bandwidth measurements with the loop antenna
    [ Hits: 442 | Votes: 0 | Rating: 0.00 ]
  • The Coaxial Line - Impedance matching, Transmission Lines, Characteristic Impedance, VSWR & Mismatch and Antenna Losses
    [ Hits: 713 | Votes: 0 | Rating: 0.00 ]
  • The Crossed-Field Antenna - Please be aware this article introduces a completely new concept in antenna theory. In fact, this is considered the most important development relative to antennas in this century. It is so pervasive that a series of articles are required to cover the concept and its applications to the depth and extent it deserves. This is the first publication about the Crossed-Field Antenna
    [ Hits: 1392 | Votes: 2 | Rating: 4.00 ]
  • Search dxzone.com on Antenna
  • Lookup Google Custom Search Engine for Antenna
  • Search Antenna with: Yahoo!, Teoma, Lycos , Bing
  • Antennas : Theory

    Search only in "Theory"

    Main Categories

    Latest Articles

    Follow us

    Related Categories

    Antennas :

    Category Stats

    Daily Top 10

    Get our links, Everywhere!

    Follow us on Social Networks
    RSS Feeds The DXZone.com RSS feed

    Sign up for daily Newsletter

    Service provided by Google FeedBurner

    Free for your Site

    Add our gadgets to your site
    Daily Top 10 links

    Google Custom Search

    DXZone.com | Link to us | Contact us | FAQ | RSS | Twitter | Facebook | | Sitemap

      1998- The DXZone.com - Terms of Use, Copyright & Privacy Policy Last Update: Thu Dec 18 2014 - 06:50:23