Search results

An interesting article on end fed half wave antennas

HF Ham Radio mobile operation antennas manufacturer, W6HIQ, HA5CMG, VE7BOC, HF mobile antennas, screwdriver antenna, coils and filters.

What is NVIS Near Vertical Incident Skywave. This article on NVIS (Near Vertical Incidence Skywave) explores its role in short-range HF communication, covering 0-200 miles. NVIS utilizes antennas with high radiation angles and frequencies below the ionospheric critical frequency to achieve reliable local contact. He details optimal antennas, like low dipoles, and practical tips for maximizing NVIS performance, emphasizing its advantages such as reduced noise and independent operation without repeaters. However, challenges include frequency sensitivity and the need for appropriate antenna setups at both ends for effective communication.

Article and comparison between bazooka antennas and dipole, taking care of effieciency and bandwidth

Balcomy antenna modification to cover top bands, by Harry Lythall SM0VPO

N2DS home made loop page collection.

Reduced size longwave antennas by Cesare Tagliabue I5TGC and his experience on 136 kHz band.

The purpose of this page is to provide information and links about Quadrifilar Helix Antennas. It's the best antenna to use for APT satellite reception

Manufacturer of communications antennas, bandpass filters, RF combiners, receiver multicouplers, diplexers, duplexers, RF connectors, RF circulators, RF isolators, RF couplers and SWR meters

Isotron antennas are low-profile HF antennas. If you need a small antenna, then an Isotron may be the answer. Bilal isotron antennas.

How to make a Weatherproof Vertically Polarised Omnidirectional Aerial, The Slim Jim Antenna

Quad and Yagi portable antennas for 50 mhz by VE7CA

An homebrewed HF antenna tuner

French manufacturer (F5MSU) of antennas and accessories since 1999 : Yagi, Delta-loop, dipoles, T2FD, verticales, EFHW, baluns, ununs, etc.

Kv5r Understanding NVIS Antennas and Propagation. This article is not intended to be a complete primer on HF radio propagation or emergency communications.

Our motorized antennas and stainless steel mounts are designed with the most avid HAM radio operator in mind, as well as commercial applications. They are made with the best materials and top of the line workmanship. Antenna mounts

A 3 and 5 element portable yagi antennas for 2 meter band

10 and 11 meter mobile DX and keydown antennas, radio and amp mods, pics, links, and much more.

HF Antennas, magnetic loop antenna, based in Italy

By Dr. Glen Dash, Ampyx LLC

Mobile Antennas, mini magnet antennas, handheld antennas, by Reuex industrial

If you have ever tried transmitting on HF from a tall block of apartments, where it's just not possible to erect a substantial aerial system, then this article is for you

A Bencher antenna divsion, manufacturer of HF YAGI and Vertical antennas

A pedestrian antenna is considered to be a lightweight antenna that can easily be carried to the shootout by one person in a backpack or bag.

This project is about a cheap way of building a colinear antenna for VHF 145MHz, and having about 10dB more gain than that little 1/4-wave magmount

What type of antenna should I get? Well, the best type of antenna for working the OSCAR satellites are circular polarized antennas

VE7CA reprint an interesting article taken from arrl antenna compendium. Two elegant practical and portable 6-meter gain antennas, a two-element quad and a tree-element Yagi antenna for 50 Mhz-6 meter band

Why a vertical antenna or longwire antenna might require a balun

A very long and exaustive documentation on building antennas for 136 khz. Includes links to antenna design software for longwave

20 meters through 6 meters, antennas

Antennas that use a combination of vertical and horizontal polarisation.

8 and 4 elemets yagi beam antenna by N6CA

Active antenna with a frequency response that is flat from 5kHz to over 30MHz

K4TR Manufacture and sell simple dipoles, half square 2 wire phased vertical arrays, end fed zepp antennas, G5RV antennas. 1:1 baluns

Hand held portable, 6 meters and satellite antennas

by Harry Lythall SM0VPO

Lincomatic's Homebrew WiFi Antennae, Cantenna, Toothpick Monopole, Patch Antenna, BiQuad, collinear wifi antenna all in one page

Mobile antennas, loading coil current, and loaded antennas. efficiency and electrical rules. Loading inductors used in mobile HF antennas.

manufacturer of VHF and microwave antennas and related products, from 50 MHz through 10 GHz

This is a collection of articles, generally from QRP-L, about QRP operations and portable antennas. However, anything that looks interesting to me might end up here. These articles are posted here primarily for my own use; however, all are free to browse.

A delta loop antenna project for the 40 meters band, include dimensions 80 meters band, with construction details, schematic and tuning instructions

A Moxon rectangle antenna projects for the 6 10 15 17 and 20 meter band but include drawings, plans, statistics and homebrewing statistics.

Includes EH antennas, 7Mhz vertical monopoles, 5 elements vee log-yagi for 10m and more

This original N2CX article was first published in the 72 newsletter back in 1997 or 1998.

Two element X-Beam is a high-performance broad-band antenna that is ideal for Ham radio operators with limited space. X-Beams are inexpensive and easy to build. The performance of the simple X-beam is amazingly similar to larger, more conventional antennas by 4S7NR

What iss the difference between a dipole and a vertical? Maybe not as much as you think. Come along and try another point of view.

Dipole, broardband antennas s/s, portables, manufacturer based in Perth, Australia.

The manufacturer of the NuBeam, Vipole, and the multi-band Quad-Folded-Dipole (or QFD for short) antenna. Also have a unique multiband vertical which can combine operation on multiple HF frequencies as well as provide high gain on 50, 144 and 438MHz in a single antenna.

Full Wave Delta Loops for 15, 20 and 30m with perimiter dipole, quiet, low TOA, mono-band - a perfect stealth omnidirectional solution

AMA magnetic loop antennas, original Kaferlein AMA, produced by funktechnik-beese based in Germany, late in 2016 right and production has been acquired by Wimo