communication

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communication

773 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: 1959 | Votes: 0 | Rating: 0.00 ]
Antennas : Sloper
  • 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: 4605 | Votes: 10 | Rating: 6.00 ]
Antennas : Theory
  • 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: 2246 | Votes: 4 | Rating: 3.50 ]
Ham Radio : ARES RACES
  • 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: 477 | Votes: 5 | Rating: 7.80 ]
Ham Radio : Clubs : Technical Specialty
  • Amateur Radio Lighthouse Society - Founded in 2000 by Jim Weidner, K2JXW, the ARLHS is the only society devoted exclusively to Maritime Communications and Ham Radio, Lighthouses and Lightships
    [ Hits: 491 | Votes: 3 | Rating: 9.67 ]
Ham Radio : Personal Pages
  • 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: 288 | Votes: 8 | Rating: 7.50 ]
Ham Radio : Personal Pages : Europe
  • F6DGU Olivier - Ham-Radio Station F6DGU, satellite communications from Paris France
    [ Hits: 324 | Votes: 2 | Rating: 1.00 ]
Manufacturers : Antenna Switches
  • Alpha Delta Communications - Manufacturers and distributors of coaxial surge protectors, coaxial switches, insultators, HF fixed wire antennas
    [ Hits: 2771 | Votes: 4 | Rating: 5.83 ]
Manufacturers : Antennas : GPS
  • Autotena - 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: 4067 | Votes: 8 | Rating: 4.00 ]
Manufacturers : Cable and Connectors
  • Micro Coax - Serving the defense, telecommunications and test measurement marketplace.
    [ Hits: 492 | Votes: 0 | Rating: 0.00 ]
Manufacturers : Microphones
  • Telex Aircraft Products - Manufacturer of accessories for radio communications
    [ Hits: 685 | Votes: 0 | Rating: 0.00 ]
Manufacturers : Speakers and Headsets Manufacturers : Towers and Accessories
  • Kotkar Energy Dynamics - Vehicle mounted mobile telescopic telecommunication towers, splice vans for OF cable maintenance, BTS shelters.
    [ Hits: 725 | Votes: 1 | Rating: 10.00 ]
Operating Modes : Amateur Television
  • 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: 459 | 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: 404 | Votes: 0 | Rating: 0.00 ]
Shopping and Services : Marine Radio
  • Pascall Electronics - Pascall's specialist RF & Microwave division specialise in components for radar, EW receivers, navigation & location equipment, communication and marine safety systems.
    [ Hits: 430 | Votes: 0 | Rating: 0.00 ]
Software : DSP
  • Jason - Jason is a weaksignal communication program, especially tailored for LF work.
    [ Hits: 1010 | Votes: 2 | Rating: 5.50 ]
Software : PSK31
  • FNpsk - The FNpsk program provides for accurate message handling and net management of amateur radio emergency communications using the PSK31 or PSK63 digital formats
    [ Hits: 1253 | Votes: 1 | Rating: 1.00 ]
Software : Packet
  • MUTNC - The multiuser/multitasking BPQ Packet Terminal Driver program is a general purpose communications package for communicating with a packet TNC or Baycom modem attached to your IBM-PC/clone in conjunction with the BPQ Node software.
    [ Hits: 949 | Votes: 0 | Rating: 0.00 ]
  • 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: 8353 | Votes: 13 | Rating: 4.39 ]
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