lp antennas

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lp antennas

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Antennas : Baluns
  • Baluns on Log Periodic Antennas - Some antenna manufacturers place baluns at the incorrect location in LPDA arrays, or tell you to route the cable incorrectly. This can cause substantial RFI and all sorts of weird problems like RF into house wiring.
    [ Hits: 2572 | Votes: 5 | Rating: 4.8 ]
Antennas : Dipole
  • Horizontal Half-wave Dipole above a Counterpoise - All antennas that are situated close to the ground are affected by that ground to some extent. This article explain effects and benefits of counterpoise.
    [ Hits: 1271 | Votes: 0 | Rating: 0 ]
  • A Field Guide to Simple HF Dipoles - A scanned PDF of this interesting book on HF Dipole antennas published by Stanford Research Institute
    [ Hits: 1282 | Votes: 1 | Rating: 8 ]
Antennas : G5RV
  • Multiband HF antennas - Presentation by AC8GY on classic G5RV Antennas and other horizontal dipoles, the popular G5RV, ZS6BKW, dipole fan, Alpha-Delta DX-CC and a trap dipole are modeled in EZNEC and compared.
    [ Hits: 1074 | Votes: 0 | Rating: 0 ]
Antennas : Homebrewing Techniques
  • Designing Driven Elements in Yagi antennas - The design and feeding of driven elements for VHF/UHF Yagi antennas , modeling, observations and some case studies by Graham Daubney F/G8MBI
    [ Hits: 1130 | Votes: 2 | Rating: 6 ]
Antennas : Log Periodic
  • Practical HF Log Periodic Antennas - This QST article describes the electrical and mechanical design process for two LPs that cover the HF bands from 10-30 MHz
    [ Hits: 910 | Votes: 1 | Rating: 5 ]
Antennas : Quadrifilar Helix
  • The Quadrifilar Helix Antenna - Article about quadrifilar helix antennas, electrical and physical characteristics, difference between quadrifilar and conventional helix antenna
    [ Hits: 2426 | Votes: 5 | Rating: 7.2 ]
Antennas : Stealth
  • Antennas for confined spaces - Antennas for restricted lots, apartments and indoor antennas by VK3YE
    [ Hits: 1076 | Votes: 3 | Rating: 9.67 ]
Antennas : Theory
  • Horizontal Antennas above Real Ground - Antennas are influenced by the effect of the ground and by the type of conductors from which they are constructed. Effects of various types of grounds on a 1.825 MHz horizontal 0.5 wave dipole
    [ Hits: 603 | Votes: 0 | Rating: 0 ]
  • Measuring 2.4 GHz Helix Antennas - It is not very difficult to design and make a helix antenna for a specific frequency and gain. It is more difficult for the serious experimenter to make precise measurements of the finished antenna.
    [ Hits: 746 | Votes: 5 | Rating: 9.2 ]
  • All About Antennas - A free five part series on antennas that covers many aspects of antennas, from radio wave propagation, to feed lines, type of antennas, connectors, adaptors and antenna switches by Bob Grove, publisher of Monitoring Times
    [ Hits: 1178 | Votes: 3 | Rating: 7.5 ]
Antennas : Wire
  • Basic Wire Antennas Part II - Presentation about wire antennas, focusing on Loops , inverted L and Verticals
    [ Hits: 935 | Votes: 3 | Rating: 9 ]
  • Basic Wire Antennas Part I - A presentation of popular wire antenna models like Dipoles, half size, full size, doble zepp, ocf dipoles, G5RV
    [ Hits: 1646 | Votes: 0 | Rating: 0 ]
Ham Radio : Personal Pages : USA
  • NJ2X.COM - Adventure in Amateur Radio - NJ2X is a licensed amateur radio operator (FCC Amateur Extra) who enjoys casting electromagnetic waves into the ether. NJ2X pursues many aspects of the hobby including chasing DX, participating in mini-DX expeditions, building equipment and antennas, and papering his shack walls with ARRL awards. NJ2X dedicates this amateur radio oriented site to helping others who also enjoy the greatest of scientific hobbies. The site is suitable for all readers - families, the young, and the young at heart.
    [ Hits: 297 | Votes: 2 | Rating: 10 ]
Manufacturers : Antennas : Broadcast
  • Valcom - Valcom Guelph specializes in the design and manufacturing of a full range of MF Beacon 100 KHz - 600 KHz, AM Broadcasting 540 - 1700 KHz, HF 1.8 - 30 MHz, VHF 30 - 300 MHz and UHF 300 - 1,200 MHz and SHF up to 6 GHz antennas based in Canada
    [ Hits: 797 | Votes: 2 | Rating: 9 ]
Manufacturers : Antennas : HF : Small & Stealth Antennas
  • Cablehelp.com - Antenna manufacturing & design, antennas for limited spaces, Home of the rugged 160 Meter sloper antenna
    [ Hits: 428 | Votes: 0 | Rating: 0 ]
Manufacturers : Antennas : VHF UHF Microwave : Satellite antennas
  • Gulf Alpha Communication Antennas - VHF, UHF and Satellite Antennas for Government, Commercial and Amateur Radio Made in Nebraska USA
    [ Hits: 891 | Votes: 0 | Rating: 0 ]
Propagation : Resources
  • Small Antennas for High Frequencies - This is about Small Antenna types and their properties which can help choosing proper antenna for high-frequency wireless communications as: two-way radio, microwave short links, repeaters, radio beacons or wireless telemetry
    [ Hits: 721 | Votes: 2 | Rating: 6 ]
Shopping and Services : Accessories
  • Ham Radio Deals - Dealer for Alpha Delta hf antennas, switeches, Outbacker and super antennas, morse code keys, coax cable and military products, managed by W8GEG from Medina Ohio
    [ Hits: 932 | Votes: 5 | Rating: 9 ]
Shopping and Services : Ham Radio Stores
  • Amateur Radio Store - Online shop for alpha antennas, antenna tuners, coax, antenna parts, mounts and tripods and tools
    [ Hits: 877 | Votes: 1 | Rating: 5 ]

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