Search Results for "history"107 links - and 1 categories
Antennas : 40M
- 40M 3 element beam
- History project and dimensions of a 3 element yagi beam for 40 meters band
[ Hits: 7630 | Votes: 6 | Rating: 3.00 ]
- J-pole double header
- An article on J-pole antennas and the zepplin variation, history and construction tips by Richard Morrow, K5CNF
[ Hits: 1777 | Votes: 3 | Rating: 5.00 ]
- Verticals. Ground systems and some history
- Article gives a good overview of the basics and reflects the accepted wisdom from BC antenna work.
[ Hits: 1189 | Votes: 1 | Rating: 10.00 ]
- The Cathode Ray Tube site
- Collecting and history of CRT tubes and physics instruments
[ Hits: 551 | Votes: 3 | Rating: 6.67 ]
- UHF CB Australia
- UHFCB.com.au is Australia's leading online CB radio resource, with News & Events, Repeater Locations, Channel Allocations & Information, CB History, Forum, Radio Sales & much more.
[ Hits: 383 | Votes: 5 | Rating: 8.20 ]
- The CQ Contest Hall of Fame
- History and nominating procedure
[ Hits: 289 | Votes: 1 | Rating: 10.00 ]
- STØRY - Sudan DXpedition March 2003
- On March 20, 2003, we brought Sudan, one of the most needed and top-ranking DXCC entities, on the air with the call sign STØRY (Sierra Tango Zero Radio Yankee). After some 48,000 QSOs, STØRY became hiSTORY on March 31, 2003.
[ Hits: 288 | Votes: 0 | Rating: 0.00 ]
- Dokufunk QSL Collection
- The Research and Documentation Center for the History of Radio Communications and the Electronic Media (our full name) is the world's biggest organization to collect, save, research and present whatever relates to the history of radio communications, particularly amateur radio and broadcasting
[ Hits: 725 | Votes: 0 | Rating: 0.00 ]
- Halifax Amateur Radio Club
- VE1FQ, has a long history dating back to 1932 and may be the oldest Amateur Radio club in Canada.
[ Hits: 577 | Votes: 1 | Rating: 1.00 ]
- The Toronto Marine Ham Radio Club
- Whilst Amateur Radio has a great history of invention and service to both business and the general public as a whole, this website is dedicated to the sailing fraternity with the primary objective of providing information and training facility as it applies to “Safety at Sea through Wireless Communication”.
[ Hits: 243 | Votes: 0 | Rating: 0.00 ]
- W1AF - Harvard Wireless Club
- Harvard wireless club, harvard's amateur radio or ham radio club. founded in 1909. welcome to harvard affiliates, alumni, prospective students, and their parents, as well recent contacts. information about club getting started radio. confirming contacts qsl. flea market. history.
[ Hits: 718 | Votes: 0 | Rating: 0.00 ]
- BARA The Binghamton Amateur Radio Association, Inc.
- founded in 1919, has a rich history of technical achievements, community service and having fun in just about all aspects of our hobby
[ Hits: 488 | Votes: 0 | Rating: 0.00 ]
- 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
[ Hits: 188 | Votes: 0 | Rating: 0.00 ]
- W7AIA, Clark County Amateur Radio Club
- Clark county amateur radio club serving sw washington for 75 years! come find out how our local ham club offers programs that cover everything from the history of morse code and call signs to ham radio antennas
[ Hits: 306 | Votes: 2 | Rating: 9.50 ]
- The G4UZN Historic QSL Collection
- QSL amateur radio history. A large collection of historic QSL Cards from 1920's and from rare stations
[ Hits: 336 | Votes: 5 | Rating: 10.00 ]
- Television History
- The First 75 Years, learn about the history of TV-set design, development and marketing.
[ Hits: 189 | Votes: 0 | Rating: 0.00 ]
- Development of the Morse Key
- An introduction to develpment of morse keys in radiotelegraphy history
[ Hits: 182 | Votes: 0 | Rating: 0.00 ]
- A History of Hellschreiber
- The first really successful Facsimile mode, is as old as electronics itself.
[ Hits: 423 | Votes: 0 | Rating: 0.00 ]
- Boatanchors on the air
- Here you can find Boatanchors on the air.
[ Hits: 2402 | Votes: 3 | Rating: 4.33 ]
- Radiosonde : how to listen to them
- Frequencies and location of every meteo radiosonde launching centres in Europe. Equipments, antennas, history, SondeMonitor and BalloonTrack tutorials
[ Hits: 478 | Votes: 3 | Rating: 6.67 ]
- Hellschreiber machine
- Pictures of Hellschreiber machines as projected by Rudolf Hell
[ Hits: 245 | Votes: 0 | Rating: 0.00 ]
- Radio Direction Finding - introduction
- History of Radio Direction Finding, performance and limitation of RDF Systems, RDF for non professional use
[ Hits: 536 | Votes: 3 | Rating: 3.33 ]
- ICOM 746 Temperature Measurements
- The ICOM 746-Pro has acquired a history of NEC 1678G (IC-151) MMIC and driver transistor 2SK2975 failures. The failure of IC-151 appears to be a combination of ESD damage from electrostatic charge on the antenna entering IC-151, and perhaps thermal heat.
[ Hits: 1865 | Votes: 0 | Rating: 0.00 ]
- The A99 - a best seller
- Solarcon Antron A-99 antenna details and history
[ Hits: 677 | Votes: 0 | Rating: 0.00 ]
- rec.radio.amateur.boatanchors FAQ
- Frequently Asked Questions - about vintage tube-type ham radio and communications equipment
[ Hits: 278 | Votes: 0 | Rating: 0.00 ]