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l network

241 links - and 4 categories

Antennas : Antenna Calculators
  • 3 Element Yagi Calculator - This calculator is designed to give the critical information of a particular beam antenna, in this case a three element Yagi, for the frequency chosen.
    [ Hits: 435 | Votes: 5 | Rating: 5.6 ]
Antennas : End-Fed : End Fed Half Wave Antenna
  • 1:49 unun for end fed half wave antennas - 1:49 UNUN using two stacked FT240-43 cores for end fed halfwave antenna. To match the end fed half wave antenna to the coaxial feeder, it is necessary to have a matching network or transmission line transformer.
    [ Hits: 386 | Votes: 10 | Rating: 8.1 ]
DX Resources : Clusters
  • DXCenter DX Cluster - Online world map with live updates from the DX Cluster network, displaying new spots on the maps as they appear. Filtering options are available including bands, source continent and dx continent.
    [ Hits: 350 | Votes: 2 | Rating: 5.5 ]
DX Resources : DX Maps
  • HF DXView Propagation Map - This map shows real-time radio propagation from stations operating on 11 bands between 1.8 and 54 MHz in the amateur radio service. The display shows world-wide activity from the last 15 minutes and is automatically updated about every minute. Data for the map is gathered from several online sources: WSPRnet, Reverse Beacon Network (CW, FT4, FT8), PskReporter, and DX Cluster.
    [ Hits: 299 | Votes: 5 | Rating: 7.6 ]
Internet and Radio : Social Networks
  • Amateur Radio Social Network - Radio amateur social network. Here, a radio amateur can spend time together and profitably. Share interesting information or learn something new. Post photos or videos. Can create a live broadcast and go on ether, create your own page, magazine or group. And many other possibilities.
    [ Hits: 132 | Votes: 0 | Rating: 0 ]
Operating Aids : Maps
  • KiWi WebSDR Maps - A live map of current KiWiSDR receivers available on the network taken directly by the KiwiSDR Site
    [ Hits: 354 | Votes: 3 | Rating: 10 ]
Operating Modes : HSMM
  • High Speed Multi Media Info - This website presents ideas regarding the use of High Speed Multi Media as a way to expand networks for emergency response communications and day to day operations.
    [ Hits: 68 | Votes: 0 | Rating: 0 ]
  • What is a HAM Mesh Network - A primer on Ham Mesh networks, hams using our radio privileges to operate a private, self-contained wireless computer network
    [ Hits: 149 | Votes: 1 | Rating: 7 ]
Operating Modes : Robust Packet
  • Robust Packet Network - Website dedicated to the Robust Packet Network with dynamic map of current stations, RP documentation, List of capable modems
    [ Hits: 196 | Votes: 0 | Rating: 0 ]
Propagation : Observatories
  • Global Ionosphere Radio Observatory - In cooperation with the URSI Ionosonde Network Advisory Group (INAG), the LGDC promotes cooperative agreements with the ionosonde observatories of the world to accept and process real-time data of HF radio monitoring of the ionosphere, and to promote a variety of investigations that benefit from the global-scale, prompt, detailed, and accurate descriptions of the ionospheric variability.
    [ Hits: 124 | Votes: 0 | Rating: 0 ]
Propagation : Sunspots
  • Estimated International Sunspot Number - The estimated international sunspot number (EISN) is a daily value obtained by a simple average over available sunspot counts from prompt stations in the SILSO network.
    [ Hits: 40 | Votes: 0 | Rating: 0 ]
Software : Antenna rotor control
  • remoteRotator - remoteRotator is a command line application which makes your azimuth / elevation antenna rotators available on the network. It available for Linux/Windows/MacOS and written in the programing language Go.
    [ Hits: 283 | Votes: 2 | Rating: 10 ]
Software : Contesting
  • Interlock Monitor - The Interlock Monitor (IM) program allows you to control and monitor the Interlock device from any computer in your network. The Interlock is an equipment designed to be used by contesters where they need to check, supervise and limit, how many radios are in transmission at any given time
    [ Hits: 68 | Votes: 0 | Rating: 0 ]
Software : Vector Network Analyzer
  • SNASharp - SNASharp is a free software application designed to work with scalar network analyzers compatible with NWT software from DL4JAL. It is used to measure and analyze the scattering parameters (S-parameters) of microwave devices. Provide several measurements and analysis tools including Smith chart, Polar plot, S-parameter tables, Transmission line calculator
    [ Hits: 66 | Votes: 0 | Rating: 0 ]
Software : Virtual Serial Port
  • HW VSP3 - Virtual Serial Port - HW VSP is a free software driver that adds a virtual serial port (e.g. COM5) to the operating system and redirects the data from this port via a TCP/IP network to another hardware interface
    [ Hits: 572 | Votes: 2 | Rating: 9.5 ]
Technical Reference : Amplifiers : UHF Amplifiers
  • Homebrew 1 Watt 2.4 GHz Power Amplifier - This will show you how to add a RF power amplifier to your Proxim Symphony for under $50. The cost is reduced by using the existing components on the Symphony, such as the PIN diode switch, and just inserting a higher power final amplifier. Increase the RF output power of your wireless network card to 1 Watt.
    [ Hits: 157 | Votes: 4 | Rating: 6.5 ]
Technical Reference : Calculators
  • RF Impedance Matching Calculator - Calculates the network to match a line to a specific complex load. This online tool calculates the matching network necessary to terminate a line of the specified characteristic impedence Zo in a specific complex load impedence RL + jXL at a specified frequency.
    [ Hits: 192 | Votes: 1 | Rating: 10 ]
  • Online Toroid Multi Calculator - This website provide online calculator for several values about a large variety of toroids. Freq/L/C/Z/Turns Calculator, Impedance Matching Network Calculator
    [ Hits: 210 | Votes: 3 | Rating: 5 ]
Technical Reference : Raspberry Pi
  • LoRa-APRS-iGate - he LoRa-APRS-iGate was developed in cooperation with the Austrian HAM Radio Association. With this software and the LoRa GW Shield, devices transmitting on LoRa, frequency 433 MHz can be integrated into the APRS network. The transmitter can then be displayed on the website https://aprs.fi.
    [ Hits: 75 | Votes: 0 | Rating: 0 ]
Technical Reference : Repeater
  • Automated Voice announcements over RF - Automated voice announcements project built to have an automated way to deliver club announcements via the repeater network.
    [ Hits: 63 | Votes: 1 | Rating: 10 ]

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