Search Results for "communication"703 links - and 6 categories
Antennas : Magnetic Loop
- Thinking about Ideal Loops
- Loop antennae have been used from ELF to UHF since the beginning of radiocommunications. At low frequencies, the main problem for loop antennae is to have enough sensitivity; the antenna being very small respect to the wavelength the collected energy is also small. To increase the output level the loop may be made resonant, so loosing it%u2019s intrinsic aperiodic characteristics.
[ Hits: 1685 | Votes: 0 | Rating: 0.00 ]
- The Quarter Wave Sloper or the Inverted-V Dipole
- A question that seems to be asked nearly everyday is, which is best, the quarter
wave sloper or the inverted-V dipole? PDF File by AD communications.
[ Hits: 4574 | Votes: 10 | Rating: 6.00 ]
- Antenna Polarization notes
- Antenna polarization is a very important consideration when choosing and installing an antenna. Most communications systems use either vertical, horizontal or circular polarization. Knowing the difference between polarizations and how to maximize their benefit is very important to the antenna user.
[ Hits: 2202 | Votes: 4 | Rating: 3.50 ]
- Derby City Radioactives
- The Derby City Radioactives is an organization of hobbyists and enthusiasts involved in multipule aspects of radio communications including CB and Ham (Amateur)radio,FRS/GMRS,Scanning,Shortwave Listening and the new Multi-Use Radio Service(MURS)
[ Hits: 442 | Votes: 2 | Rating: 6.50 ]
- Sarasota County Auxiliary Communications Service,
- The Sarasota County Auxiliary Communications Service, ACS, (Formerly Sarasota County ARES, RACES) is a program created to provide emergency communications for the Red Cross and Sarasota County Emergency Management.
[ Hits: 440 | Votes: 5 | Rating: 7.80 ]
- Newark Amateur Radio Association
- The mission of this Association is to foster and promote the hobby of Amateur Radio, to provide repeater systems for the Amateur Radio community, to provide public service and emergency communications when needed, to provide education for licensing, and to provide a forum for members to meet and exchange information, share experiences, and socialize with one another.
[ Hits: 559 | Votes: 4 | Rating: 8.00 ]
- Zanesville Amateur Radio Club
- The Zanesville Amateur Radio Club (ZARC) is an association for the purpose of providing amateur radio communications in times of emergency: installing, maintaining, and operating a 2-meter repeater and club radio shack, and promoting amateur radio in general.
[ Hits: 480 | Votes: 1 | Rating: 10.00 ]
- VU2LFA ham radio in india
- This site is basically for the begeners (SWL) of india. This site is supporting to digital communication for hams also.
[ Hits: 248 | Votes: 8 | Rating: 7.50 ]
- F6DGU Olivier
- Ham-Radio Station F6DGU, satellite communications from Paris France
[ Hits: 280 | Votes: 2 | Rating: 1.00 ]
- Antenna manufacturer in Taiwan, products range are RF communication antennas ( CB, VHF, UHF, Dual band, Base Station, Marine, GPS,GSM, PCS, Cellular, DVB-T ) , Amplifiers , Mounting Kit ,Accessories & Related products.
[ Hits: 3897 | Votes: 8 | Rating: 4.00 ]
- Alpha Delta Communications
- Manufacturers and distributors of coaxial surge protectors, coaxial switches, HF fixed wire antennas
[ Hits: 2573 | Votes: 1 | Rating: 4.00 ]
- Micro Coax
- Serving the defense, telecommunications and test measurement marketplace.
[ Hits: 442 | Votes: 0 | Rating: 0.00 ]
- Telex Aircraft Products
- Manufacturer of accessories for radio communications
[ Hits: 649 | Votes: 0 | Rating: 0.00 ]
- Sounds Sweet Communications Speakers
- Speakers for Amateur Radio, 2-Way Radio, Shortwave and Scanner listening
[ Hits: 863 | Votes: 0 | Rating: 0.00 ]
- Kotkar Energy Dynamics
- Vehicle mounted mobile telescopic telecommunication towers, splice vans for OF cable maintenance, BTS shelters.
[ Hits: 681 | Votes: 1 | Rating: 10.00 ]
- Ham Radio communications can be fun !
- Ham radio activities, from satellite operations, eme communications, dxing and contesting, qsling and direction findings, are just some of ham radio exciting activities
[ Hits: 494 | Votes: 0 | Rating: 0.00 ]
- Slovenian ATV, Repeaters
- Fast Scan Amateur Television (ATV) is one aspect of the Amateur radio (HAM) communication. Includes a map of Slovenian ATV repeaters
[ Hits: 408 | Votes: 0 | Rating: 0.00 ]
- The Brookdale ATV Repeater System
- Provide an ATV repeater function for the North Jersey Exterior Area that is available not only for general amateur radio use, but also for providing a unique communications resource during emergencies as well (FCC Part 97.1 (a))
[ Hits: 333 | Votes: 0 | Rating: 0.00 ]
- The Radio Reference
- RadioReference.com, scanner frequency and radio communications reference source, with complete conventional frequency assignments, trunked radio system information, frequencies, and talkgroups, FCC License assignments and maps, 10-Code Lists, agency maps, files, downloads, links, and detailed agency information for most public safety, military, and local government activities.
[ Hits: 5057 | Votes: 30 | Rating: 6.89 ]
- Pascall Electronics
- Pascall's specialist RF & Microwave division specialise in components for radar, EW receivers, navigation & location equipment, communication and marine safety systems.
[ Hits: 370 | Votes: 0 | Rating: 0.00 ]
- Radios UK
- Two way radios, CB,airband radios & GPS at discount prices - all your communication and radio needs from Radios-UK.
[ Hits: 627 | Votes: 3 | Rating: 7.00 ]
- Jason is a weaksignal communication program, especially tailored for LF work.
[ Hits: 948 | Votes: 2 | Rating: 5.50 ]
- Konfabulator - DX Cluster
- Freeware windows XP and MacOSX konfabulator widget dedicated to Amateur radio operators, is an easy interface to DX-Summit the ham-radio DX Cluster.
DX cluster spots represents live ham radio communication connections, and are an invaluable resource for amateur radio operators. Users can choose Bands or operating modes like digital emissions, QRP IOTA and more. Spots are refreshed automatically and refresh rate can be set by users, with a minimum of 100 seconds.
[ Hits: 1794 | Votes: 2 | Rating: 9.00 ]
- The FNpsk program provides for accurate message handling and net management of amateur radio emergency communications using the PSK31 or PSK63 digital formats
[ Hits: 1127 | Votes: 1 | Rating: 1.00 ]
- Packet Terminal Interface
- Simple Windows based TNC interface program
Designed for ARES operation, simple operator interface to connect and perform communication functions, control operator programs screens before operations
Both receive and transmit screens Simple Windows based TNC interface program Designed for ARES operation Simple operator interface to connect and perform communication functions
Control operator programs screens before operations Both receive and transmit screens
[ Hits: 5764 | Votes: 10 | Rating: 4.50 ]