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History and nominating procedure

An article edited and published by Michael Mandeville on correlation of sunspot peaks and global events, like recessions or human conflicts. This document include solar cycle charts since Solar Cycle 1749-1751

A surf between radio history, home made and the sea.

W4YDY Mobile history and installations

An overview of the development of the Morse key for sending the Morse Code, from the first camelback keys, through straight keys and sideswiper keys to the semi automatic keyers including the Vibroplex to the modern electronic keyer.

Morse Code And Radio For Kids and Amateurs. This guide covers many different aspects of the history of and how to learn Morse code.

The short history of the SSN Smoothed Sunspot Number at Luxorion

Michigan Antique Radio Club, or MARC. The MARC was officially founded October 19, 1985 at the Dillon Inn (now the Hampton Inn) in Lansing, Michigan. Our mission: To preserve the history and enhance the knowledge of radio, television and related disciplines

Frequently Asked Questions - about vintage tube-type ham radio and communications equipment

QRP CW transceiver Kit for 20 or 40 meter band, by OKA Hills Research, assembly history and description

The details of the spark gap transmitter and its history: how it was invented, developed and used.

History of amateur saltellites compiled by AMSAT india

The purpose of this article is to provide radio amateurs with enough background information to understand the technical challenges involved in small-station digital EME on the 144 and 432 MHz bands.

History of all OSCAR satellites from 1961 till today in chronological order.

Southern Oklahoma Amateur Radio Emergency Service and Scientific Society. We are a diverse group, with a history of community service to the southern Oklahoma region

An introduction to develpment of morse keys in radiotelegraphy history

The Offshore radio guide, watery wireless websites, history pictures and sounfiles

An overview about the UHF connectors often referred to as the PL259 plug and SO239 socket used for many RF applications. Limitations, history and soldering properly UHF Connectors

Balloon Committee Activities and Operations

The first EME history was written in 1944 when first EME echoes were received on 564 MHz by German Wurzmann radar according to the article by Dr. Ing. W. Stepp.

Introduction to ham radio with nice selected pictures and amateur radio history by VK5SW

The Windom antenna, one of the oldest antennas developed for amateur use, has had a complicated history, one as interesting as the theory of the antenna itself.

Dedicated to the history of radio broadcasting.

Launch of a hybrid rocket from high altitude by untsville Alabama L5 Society

The history of radio documented in thousands of publications including copies of popular US and UK amateur radio magazines and newsletters since 1930s

Founded in 1937, the Ayr Amateur Radio Group (AARG) has a long history of being the focus for amateur radio in Ayr and South Ayrshire

Clough-Brengle history, US company manufacturer of test equipment, amplifiers and accessories built and maintained by Ron Lawrence W4RON

A document partially scripted by Wikipedia and washington readout about history of vanity call signs,

Taken from: Brief History of Amateur Radio in Calcutta-by Avinash Missra, VU2EM

An article on popular AL80 HF power amplifier manufactured by Ameritron since 1980

The Sutton & Cheam Radio Society has a 60 year history. We are an Affiliated Society of the Radio Society of Great Britain (RSGB) and are based in the London Borough of Sutton.

Highspeed Telegraphy news, history and rankings of HST Championships

QRZ personal page, history, log, equipment and more

This article taken from the IARU Region 1 VHF handbook, is about the history of the original Locator System named QRA-Locator consisted of just five-character code, two capital letters, a two-digit number and a lower-case letter, like inf example CM72j

An overview of the development of the Morse key for sending the Morse Code, from the first camelback keys, through straight keys and sideswiper keys to the semi automatic keyers including the Vibroplex to the modern electronic keyer.

The Waterway Net, sponsored by the Waterway Radio and Cruising Club, is dedicated to enhancing amateur radio communications for recreational boaters. Meeting daily at 0745 ET on 7.268 MHz LSB, the net focuses on safety and weather updates, providing a vital link for live-aboards and cruising boats to stay connected with families and friends. Position Reports and Float Plans are essential components that ensure safety for offshore passage makers. Established in the early sixties, the Waterway Net is one of the longest-running nets in amateur radio history. Open to all amateur radio operators with a General class license or higher, it encourages participation without requiring WRCC membership. Newcomers are advised to listen initially to understand net procedures before checking in. In emergencies, FCC regulations allow anyone, licensed or not, to use any frequency to call for help, with the 20-meter frequency of 14.300 MHz available for emergency assistance approximately eighteen hours a day.

Book on CW paddles, history of keyers, keyboards, oscillators, and all things related to automatic Morse code.

The CW Projects and Resources of Mike Maynard, K4ICY. Includes a brief history and overview of Morse Code and many interesting resources on telegraph

The original HEXBEAM was developed by Mike Traffic, N1HXA, in the early nineties. It is true that an M over W configured yagi antenna that resembled a butterfly was earlier tried successfully. But the advanced electrical design, the characteristic nesting concept and central terminal post that enable the multi band functionality along with the basic hardware design were all developed by Mike Traffie.

The exchange of QSL cards by radio amateurs is a practice that is almost as old as radio itself. History of IARU QSL Bureau, evolution of the system

A website dedicated to RTTY with several articles and information on teletypes from history to operating RTTY on ham bands

The earliest known historical record of the name Uzice is found in a document in the Ragusan archives, dated October 9th, 1329. In memory of this date, October 9th is now Uzice City Day. Earlier settlements in the vicinity date back to the Neolithic times. Throughout history, this area has been at a crossroads connecting economies and cultures North-South and East-West. To this day, Uzice is an important economic, industrial and cultural center. Award is active from October 1st to October 16th each year. To win you have to collect enough points making contacts (QSOs) with amateur radio stations which base locations are in the Uzice City Area.

Program for do application and endorsement for all ARRL awards-30 awards-18 for DXCC -12 for others and 8 special querry (how long I'm waiting for QSL. You can merge several awards and endorsement in a one application and upload adif file to ARRL page by ON-LINE method. Offering optimization task for cost checking QSO.Cooperating CLUBLOG

The history of the radio is a fascinating one that changed how the world connected and communicated from distances both far and near. History of the Radio from Inception to Modern Day

The Morse Code Translator allows anyone to easily convert text into Morse code and vice versa. Simply enter the text to translate or Morse code to decode. This tool is useful for amateur radio operators, scouts, educators, or anyone interested in learning Morse code for educational, professional, or recreational purposes. Discover hidden messages, learn the Morse code alphabet, and practice decoding signals. The tool offers advanced options like adjusting frequency, words per minute, characters, and spacing. Experience Morse code visually with the light translator. Explore the history and uses of Morse code, from military and emergency communications to fun secret messages among friends.

M17 is a community of open source developers and radio enthusiasts. We are building understandable systems in support of the hackers and experimenters' history of ham radio. M17 is developing open source hardware, software, and offers a complete digital radio protocol for data and voice, made by and for amateur radio operators. M17 voice mode uses the free and open Codec 2 voice encoder.

The Smith Chart, named after its inventor Phillip H. Smith, is a graphic tool used to solve transmission line problems in the field of ham radio operations. By using the Smith Chart, ham radio operators can determine the feed point impedance of an antenna, design impedance-matching networks, and optimize power transfer between a source and its load. The chart consists of resistance and reactance circles, providing a visual representation of complex mathematical relationships related to transmission line operations. Understanding and utilizing the Smith Chart is essential for hams looking to enhance the performance of their RF circuitry.

This page delves into the early history of radio and television, exploring the fascinating personalities and inventions that shaped the industry between 1870 and 1929. The author reflects on the pioneering work of figures like Thomas Edison, Guglielmo Marconi, and Nikola Tesla, highlighting the challenges and innovations that defined the golden age of radio. With a focus on a specific project involving a one tube AM radio, this article offers insights into the evolution of radio technology and its enduring impact on society. Ideal for hams and radio enthusiasts interested in the roots of modern communication.

Learn about the ZRS QRP-808 kit system for hams from the 1980s. Discover the improved features of the QRP-808 compared to the QRP-805, including the electrical diagram and assembly instructions. Explore the nostalgic journey of building and tuning this iconic amateur radio station, as shared by experienced ham radio operators. See original photos and insights from enthusiasts like Janko S55WT and Mirko S52PC, offering a glimpse into the history of amateur radio technology. Access PDFs for detailed views and immerse yourself in the world of DIY radio equipment construction and tuning.

W0VLZ's Homebrew Gallery showcases vintage radio projects built with vacuum tubes, offering a fascinating look at historical transmitter and receiver designs from the 1920s-1950s. The site provides detailed descriptions, safety warnings, and links to resources. Ideal for amateur radio enthusiasts interested in classic homebrew gear and radio history.