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Basic priciples of Yagi antennas and its variations like Quagi antennas, Quad antennas includes pictures, drawings and online calculators by KN9B

Licensed since February 1991, IK1QBT Tony Gallo shares insights into his extensive amateur radio journey, highlighting his involvement in **DXpeditioning** and contesting. His page lists several callsigns he has operated under, including 3A/IK1QBT, TK/IK1QBT, IA5/IK1QBT, and as an operator for 4U9ITU and 4U0ITU, showcasing a broad range of international activity. Tony's background as an ex-Radio Officer in the Merchant Navy and a Radio Operator for the Italian Maritime Coast Radio Station "ICB/GenoaRadio" provides a unique perspective on radio communications. He is an active member of ARI, INORC, and HSC, and serves as secretary for the Marconi Club ARI LOANO, underscoring his deep engagement within the amateur radio community. His participation in multi-multi operator contest teams like IH9P in the CQWW-CW 2006 and the HQ Italian ARI Contest Team in the IARU HF (2004-05-06) demonstrates a strong commitment to competitive operating, primarily on **CW** and HF bands.

The Kitchener Waterloo Amateur Radio Club (KWARC) website provides a central hub for its members and the broader amateur radio community, detailing club activities, meeting schedules, and special events. It features a monthly newsletter, the _Kilowatter_, which archives club news and technical articles, offering insights into local amateur radio operations and projects. The site also includes information on the club's repeaters, operating on various bands, and details about the annual _Central Ontario Hamfest_. Content covers diverse aspects of the hobby, from general interest articles to specific technical discussions. The resource serves as a primary communication channel for KWARC, facilitating member engagement and disseminating information about club-sponsored activities like field days and public service events. It also lists contact information for club executives and provides resources for new licensees.

The Maria Maluca HF multiband antenna as designed in 1957 by PY2BBP is a directive antenna for 15 meter and a passive element that works as director and reflector in different bands

Over 1900 ARISS school events have been conducted since 2000, facilitating amateur radio contacts between students and ISS crew members. This resource details the Amateur Radio on the International Space Station (ARISS) program, outlining scheduled contacts, operational procedures, and application processes for educational institutions worldwide. It lists specific upcoming contacts, such as those with Lewis Center for Educational Research in California and Vauban, Ecole et Lycée français de Luxembourg, typically operating on a 145.800 MHz downlink frequency. The content also provides crucial guidelines for radio amateurs, emphasizing the importance of not interfering with scheduled school contacts and utilizing the crossband repeater for general QSOs when available. It clarifies crew availability for casual contacts, noting that astronauts are usually free during personal time, approximately one hour after waking and one hour before sleeping, and often on weekends. Constraints on scheduling, such as avoiding EVA weeks and specific crew rest periods, are also detailed. Furthermore, the resource includes historical statistics on direct versus telebridge contacts, QSL information, and links to related ARISS, AMSAT, ARRL, and NASA websites. It also provides information on applying to host an ARISS contact for schools and youth organizations in various regions, including the United States, Europe, Africa, the Middle East, Canada, Central and South America, Asia, and Australia.

Single antenna with multiple polarization for diversity, diveristy receivers and propagation effects on signal polarization

6 Elements on 50 MHz / 6 metres

Amateur Radio Coaxial Antennas by G3TXQ

Grupo de Radioamadores Portuguese de Ontario

Identifying The Drake TR-7 Differences and Versions

Contest Club Ontario (CCO) is Ontario's entry into International Club competitions in the 21st Century, providing one vehicle to highlight Canadian participation in these contests.

Icom IC-703 HF + 50 MHz transceiver, english official instruction manual available in PDF File to download.

official web site of ARI Porto Torres Sardinia Isl.

A six meter band Marathon managed by ARI Firenze, a 4 month marathon for itailan radio amateurs.

Diamond W8010 Multiband Dipole Modifications

A modified Hairpin antenna for a wider bandwidth an mounted on a grounded metalic mast

Past and current operations dedicated to St. Maximilian Maria Kolbe (SP3RN)

Rodrigues Island DXpedition 2-13 september 2013 EME and HF DX pedition

A little gadget was found in an article in QST, made with 1 pair of powerpole connectors a resistor and two leds

Online variometer calculator by IN3OTD

ARI section Taranto

The Amateur Radio network now known as the Caribbean Emergency and Weather Net was established in 1958 by Colonel Henry Frew, KV4BZ, for the purpose of having a general calling frequency for the Caribbean Islands and our North and South American friends.

Benefits of stacking two HF antennas vertically

Experimenting a low impedance feedline by G3TXQ

K7UAZ: The Amateur Radio Club at the University of Arizona

Radio programmin equipment, radio programming cables, all sort of cables and connectors, webcams, cameras, security products

Navy-Marine Corps Military Auxiliary Radio System

Use these Variac auto transformers for specific application requirements that include, but are not limited to, home coffee roasting, tube amps, and more.

A multi-band off centre fed dipole, designed to operate on all bands from 40m (7MHz) to 6m (50MHz). Author claims it will operate on 40, 30, 20, 17, 15, 12 and 10m without an ATU (SWR <3:1) plus 6m with an ATU.

A comparison of commercial 4m verticals by by Ian Hogan G6TGO

Dec 5 – 13, 2010 J6BP by Caribbean Buddies Dxpeditions.

A document describing the reparing and restoration of an old Heathkit SB-101 power amplifier

This article is about two excellent small helical antennas for the two meters band. With performance close to that of full sized antennas, these small helical antennas are low in profile but high in efficiency.

The current page presents a domain name for sale, rather than providing amateur radio content. It outlines the process for acquiring the _ae5x.com_ domain, including a direct purchase price of **$3,795** or a 24-month payment plan at $158.13 per month with 0% interest. The service emphasizes quick delivery, secure shopping via SSL encryption, and a 30-day money-back guarantee. Information regarding domain transfers to other registrars like GoDaddy is provided, noting that transfers can take up to 5 days and payment plan domains are ineligible until fully paid. The purchase includes only the domain name, with hosting and web design services needing to be sourced separately. Privacy protection options through NameBright.com are also mentioned.

ZW5B ARRL affiliated DX Group

Article that try to answer to questions that arises about losses in the ladderline, and how they change when the line is wet by g3txq

Amateur radio of clarion inc. an organization committed to emergency communications and the advancemet of amateur radio.

Indonesian Awards

How to make a custom cable to program your baofeng or kenwood radio. Includes a video on how make a Baofeng Programming Cable for Chirp on Mac OSX

Associazione Radioamatori Repubblica di San Marino

ARI Associazione Radioamatori Italiani Sezione di Genova IQ1GE

A comparison of Elecraft KX2 and Yaesu FT-818

The Green Valley, Arizona Amateur Radio Club

To promote and practice amateur radio and HAM radio in Mumbai, India.

This page describes a comparison study on seven different beam antennas for 40 meters band. Yagi antennas, moxon antennas, mini horse all antennas are described with schema diagram , azimuth plot and SWR F/B Gain diagram

The project in this article illustrates how to do this in a simple and low cost way so that you can easily access the microwave bands using the existing HF or HF/VHF transceiver as IF.

SV1GRB's Homepage, photos from dx-peditions and useful links

Heil Sound PR-35 vs Heil Sound PR-781 vs Electro Voice Blue Cardinal by K4QKY

Complete microphone wiring handbook for most popular radio transceivers provided by Astatic Microphones.

W3FF, N7UN, WD9CMD, N7BF, WF2S, K9CJM,AA4OC, WU1B December 2011