communications

451 links - and 5 categories

Quarter Wave Verticals - One of the most useful antennas in the repertoire is the Marconi or quarter wave grounded vertical antenna. Its invention made it possible to halve the length of antennas, simplifying communications, especially at HF and below.
[ Hits: 1760 | Votes: 2 | Rating: 7 ]

Vintage Radio Photographs and Images - Photographs of vintage radios and vintage radio parts, morse keyers
[ Hits: 3260 | Votes: 6 | Rating: 4.83 ]

10-10 International - Ten-Ten International Net, or 10-10 for short, is an organization of amateur radio operators dedicated to maintaining high levels of amateur radio communications on the 10-meter amateur band (28.0-29.7 MHz).
[ Hits: 1823 | Votes: 8 | Rating: 6.5 ]

Los Angeles County Disaster Communications Service - Here you will be able to access all of the information regarding our amateur radio disaster relief communications organization, its divisions and volunteer members
[ Hits: 605 | Votes: 0 | Rating: 0 ]
Central Ohio Amateur Radio Emergency Service - Our Mission: To provide emergency communications to central Ohio public safety, emergency, health, government and relief agencies in times of disaster.
[ Hits: 774 | Votes: 1 | Rating: 7 ]

The Kamloops Amateur Radio Club - The Kamloops Amateur Radio Club is a non-profit organization that has been incorporated under the Society Act. Our organization has been building and maintaining a network of Amateur Radio mountain top repeaters to enable voice and digital communications between a number of interior communities for many years.
[ Hits: 591 | Votes: 0 | Rating: 0 ]
The Vancouver Island Trunk System - To provide a network of open Amateur radio repeaters, for general and emergency communications use, throughout Vancouver Island, surrounding waters and parts of the lower mainland on the West Coast of British Columbia Canada.
[ Hits: 1346 | Votes: 3 | Rating: 8.33 ]
British Columbia FM Communications Association - Amateur Radio organization specializing in VHF, UHF, and microwave communications.
[ Hits: 736 | Votes: 1 | Rating: 10 ]
Oliver Amateur Radio Club - The Oliver Amateur Radio Club Is a non profit B.C. Registered Society based in Oliver, B.C. in the South Okanagan region of British Columbia, Canada. The club is for Amateur Radio Operators & Enthusiasts and also provides Emergency Communications in the Regional District of Okanagan South.
[ Hits: 449 | Votes: 1 | Rating: 10 ]

VO1MRC Marconi Radio Club of Newfoundland - Incorporated 7 November 2001: the centenary year of Marconi's first transatlantic wireless experiment. Objective: to promote science, engineering, technology and traditional amateur radio through the Marconi communications legacy.
[ Hits: 698 | Votes: 0 | Rating: 0 ]

Ottawa Amateur Radio Club Inc. - Association of radio amateurs devoted to the promotion of interest in amateur radio communications in the National Capital Area
[ Hits: 588 | Votes: 1 | Rating: 9 ]

Pikes Peak FM Association Inc. - The Pikes Peak FM Association is a nonprofit, amateur radio VHF/UHF group which operates and maintains VHF and UHF communications facilities serving the Colorado Springs and Pikes Peak region.
[ Hits: 711 | Votes: 3 | Rating: 9.33 ]

Mountain Amateur Radio Club, Inc (MARC) - Provider of supplemental emergency communications for the Greater Cumberland, Maryland tri-state area, and promoter of amateur radio in the community.
[ Hits: 556 | Votes: 3 | Rating: 9 ]

K8BTP Salem Area Amateur Radio Association - SAARA is an association of radio amateurs organized for the promotion of Amateur Radio communication and experimentation. We provide communications during disasters, emergencies and community events
[ Hits: 321 | Votes: 0 | Rating: 0 ]

RailScan - RailScan: A Place To Discuss All Aspects Of North American Railroad Radio Communications, Past Present and Future.
[ Hits: 1328 | Votes: 4 | Rating: 7.75 ]

AURFSCAN - Australias Radio communications monitoring forum for the Scanner and Shortwave enthusiast
[ Hits: 3680 | Votes: 23 | Rating: 8.38 ]

Ipox5 radio link system - Ipox5 is the freeware version of a commercial radio linking system, designed for amateur, nhw, emergency communications etc. It is optimised for mobile broadband and difficult IP links. It allows PC access, and up to 100 users on your link at one time. Usefull for multiple PMR446 use on very large sites. Works under Windows 98, XP, Vista, and Linux (under Wine)
[ Hits: 1421 | Votes: 1 | Rating: 10 ]

Codec 2 - Codec2 is an open source low bit rate speech codec designed for communications quality speech at around 2400 bit/s. Applications include low bandwidth HF/VHF digital radio.
[ Hits: 1240 | Votes: 0 | Rating: 0 ]

Converting SSB CB to LF - Modified transverter for converting SSB CB to LF for thru-the-earth voice communications
[ Hits: 1264 | Votes: 0 | Rating: 0 ]