communication769 links - and 6 categories
DX Resources : IOTA
- Russian robinson club
- Club Russian Robinson for amateurs interested in radio communication from polar stations, islands and maritime mobile objects RRC founded in 1993. Goals are consolidation of radio amateurs, operating now or operated in the past on islands, drift-ice research, arctic and marine stations, signing their personal callsigns or as participants of DX-peditions.
[ Hits: 621 | Votes: 1 | Rating: 1.00 ]
- Energy line 2000
- Solar power, biodiesel fuels, wind energy, streaming video, articles, news, and more.
Renewable Energy and Emergency Communications by Terry McGleish
[ Hits: 390 | Votes: 0 | Rating: 0.00 ]
- Bytes and hertz
- A blog devoted to the hobby of Amateur Radio (Ham Radio). The radio amateurs of the world contribute to public service and emergency communications. This blog hopefully will reflect that fact!
[ Hits: 304 | Votes: 0 | Rating: 0.00 ]
- KD5QEL hurricane katrina and rita info
- Hurricanes Katrina & Rita information from various sources. Compiled by KD5QEL Robin (New Orleans native) near Atlanta, GA. Not for chitchat--only for communications info.
[ Hits: 153 | Votes: 0 | Rating: 0.00 ]
- Harford County Amateur Radio Emergency Communications
- Trained amateur radio communicators under ARES, RACES and Skywarn serving Harford County, Maryland communities
[ Hits: 590 | Votes: 1 | Rating: 10.00 ]
- Otto engineering
- Otto engineering is comprised of two divisions otto controls and otto communications. otto controls designs and manufactures a full line of switches and grips used in heavy equipment, aerospace, marine, medical and other demanding applications. otto communications designs and manufactures audio accessories for two-way radios used in public safety, police, fire, retail, hospitality manufacturing and other markets.
[ Hits: 1008 | Votes: 2 | Rating: 7.50 ]
- Better Metal LLC
- Manufacturing distributor of infrastructure products for the telecommunications industry; antenna mounts, ice bridge, cable ladder, ground bars, weatherproofing, exothermic, safety equipment.
[ Hits: 868 | Votes: 3 | Rating: 10.00 ]
- Clover technical specifications, digital communications mode that conveys 8-bit digital data over narrow-band high-frequency radio.
[ Hits: 746 | Votes: 1 | Rating: 10.00 ]
- PSK31 is a digital communications mode which is intended for live keyboard-to-keyboard conversations, similar to radioteletype. Its data rate is 31.25 bauds (about 50 word-per-minute), and its narrow bandwidth (approximately 60 Hz at -26 dB) reduces its susceptibility to noise.
[ Hits: 1285 | Votes: 1 | Rating: 10.00 ]
- JT65 Protocol
- JT65 is a digital protocol intended for Amateur Radio communication with extremely weak signals. It was designed to optimize Earth-Moon-Earth (EME) contacts on the VHF bands, and conforms efficiently to the established standards and procedures for such QSOs.
[ Hits: 1128 | Votes: 3 | Rating: 7.00 ]
- FT-817 / 847 programming
- The Yaesu FT-847/817 CAT Command Structure General Overview & Link Communications Repeater Controller's Remote Base Control
[ Hits: 3022 | Votes: 1 | Rating: 2.00 ]
- Hardsoft products
- Hardsoft products home page: telefonia, telecommunications, radio, computers, base
[ Hits: 374 | Votes: 1 | Rating: 1.00 ]
- Ciro Mazzoni
- From 1973 we work in the communication system on HF, VHF, UHF, SHF for P.M.R., OM and broadcasting.
[ Hits: 601 | Votes: 0 | Rating: 0.00 ]
- PMR and commercial radio communication systems dealer
[ Hits: 321 | Votes: 0 | Rating: 0.00 ]
- EDXC plc report
- Power Line Communications, a threat for radio listening, UniversitÓ degli Studi di Pisa
[ Hits: 295 | Votes: 0 | Rating: 0.00 ]
- New Developments with PLC in Japan
- The Japan Amateur Radio League (JARL) is cautiously watching new developments concerning the commercialization of Power Line Communications (PLC), while continuing to carry out joint experiments with a high speed power line communication promoters' alliance to reduce potential interference to radio communications.
[ Hits: 250 | Votes: 1 | Rating: 1.00 ]
- Bbc : PLC effects
- The effects of power-line telecommunications on broadcast reception:
[ Hits: 586 | Votes: 0 | Rating: 0.00 ]
- Amperion Inc BPL tests
- Amperion Inc. issued an announcement that it has successfully tested its broadband powerline (BPL) technology over high-voltage, 69,000-volt transmission lines.
[ Hits: 329 | Votes: 3 | Rating: 3.67 ]
- Are you ready for BPL
- Broadband over power lines (BPL) is a technique for transmission of high speed data (broadband Internet) over powerlines. Access BPL technology injects radio frequency energy into powerlines which were not designed for transmission of radio frequency energy, and leak substantial energy that causes interference to radiocommunications service
[ Hits: 567 | Votes: 0 | Rating: 0.00 ]
- BPL Interference to Radiocommunications
- Here are some excerpts from the international radio regulations and fccrules
[ Hits: 438 | Votes: 0 | Rating: 0.00 ]
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