Last month we looked at Marconi and his pioneering work in the advancement of wireless communications. In the early days of radio, prior to government regulation, anyone with the knowledge could build a transmitter and go on the air. Even after the first attempts at regulation, one could still do this, the only rules being a mandate to yield to commercial traffic and to remain silent for a five minute period at the top of the hour to allow for distress traffic from ships at sea. In the days before what we now think of as “broadcasting,” commercial traffic was considered to be the handling of messages between ship and shore stations, or between areas not connected with wires, such as overseas. Everyone else was considered an “amateur,” even if they were a professor at a university, or an engineer trying to develop a new system. World War I brought further regulations prompted by the military, who realized the potential for this new form of communication. Eventually, licensing became the norm, with three types of licenses issued: commercial, for handling messages for hire, experimental, for research and development, and amateur, for others who wished to explore the art as a hobby or outside of what was specified by the other classes of licenses. Still, there were few limits as to what frequency to us…..READ MORE
A Yagi-Uda antenna, commonly known simply as a Yagi antenna, is a directional antenna consisting of multiple parallel dipole elements in a line,[1] us... Read more
Sainte Marie Island Eric F6ICX will be active again from Sainte Marie (Nosy Boraha) Island, IOTA AF-090, 1 November to 12 December 2015 as 5R8IC. QSL... Read more
The linear amplifier HF2013DX-A is designed for all shortwave bands from 1.8MHz to 29MHz amateur (including WARC) and all operating modes. It is equip... Read more
W5RRR, the Johnson Space Center Amateur Radio Club (JSCARC), is on the air as part of the NASA on the Air (NOTA) year-long special event — one of 12 N... Read more
“Worlds smallest APRS transceiver with TNC” offers many applications. Matchbox-sized, built-in GPS receiver. The transceiver can not only... Read more
“Demo of a real nice Globe Chief 90 by my daughter Denise. I figured you guys were tired of seeing my ugly face, so here’s something new!... Read more
” A voluntary radio communications team which played a key role in ensuring the Tour de France ran safely and smoothly through the Yorksh... Read more
NEW ARRIVAL High Quality Mobile Car Radio WireLess Microphone Product Description 500M Wireless Mobile Radio Microphone Freely move... Read more
Tuvalu For general info, Atu Maui, T2AM, is the Director of Information and Communications Technologies (ICT) for the government of Tuvalu and is a li... Read more
TH-D74 The TH-D74 is Kenwood’s latest hand held transceiver. It offers a wide range of features including digital (D-STAR), 2m/70cm analogue FM, APRS... Read more
More
The Yagi-Uda Antenna
5R8IC Sainte Marie Island AF-090
AMPLIFIER HF2013DX-A – HF 2KW
Johnson Space Center Amateur Radio Club Fires Up 1950s Vintage Gear for NASA on the Air Special Event
PicoAPRS with GPS receiver
Globe Chief 90 CW Ham Radio Tube Transmitter Demo de KC8HVM
Radio amateurs get practical thank you for Tour de France backup
WireLess Microphone for Mobile Ham
T2AM – Tuvalu
TH-D74 VHF/UHF Dual Band Handheld with GPS Webnair
Warning: file_get_contents(https://plusone.google.com/_/+1/fastbutton?url=https%3A%2F%2Fqrznow.com%2Fvintage-radio-the-contributions-of-amateurs-giving-radio-a-voice%2F): failed to open stream: HTTP request failed! HTTP/1.0 404 Not Found in /home/qrznow/public_html/wp-content/themes/goodnews5/framework/functions/posts_share.php on line 151
