java

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java

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Antennas : Antenna Calculators
  • Quad calculator  pop - Cubical quad antenna calculator in java script let you calculate elements size and spacing in inch and meters.
    [ Hits: 64368 | Votes: 472 | Rating: 6.75 ]
Antennas : Feed Lines
  • SWR Calculator - BesserNet Reflectometer is a fun SWR calculator and simulator Java applet
    [ Hits: 4091 | Votes: 24 | Rating: 4.6 ]
Antennas : J-Pole
  • Design your Own Super J Pole - a Javascript for calculating the lengths of tubing to be used for the construction of a Super J-Pole.
    [ Hits: 7846 | Votes: 14 | Rating: 5.29 ]
Antennas : VHF UHF
  • VHF/UHF Yagi Antenna Design  pop - Design your VHF UHF Yagi antenna online, a JavaScript enhanced web page that implements the design of an antenna for 2m and 70cm bands. This page offers a streamlined experience for Yagi antenna design enthusiasts. It assumes prior knowledge of Yagi design principles, minimizing distractions with a user-friendly interface. Equipped with essential equations, it provides instant design feedback. Red font warnings indicate design limitations, ensuring practical results. Constraints include Gain (11.8-21.6 dBd) and Boom Length (2.2-39 wavelengths), with additional frequency-dependent restrictions noted in input fields.
    [ Hits: 147401 | Votes: 1105 | Rating: 6.95 ]
Ham Radio : Regional : India
  • Hamradioindia a website by vu2fd - a website by vu2fd with theory lessons, details on rules and regulations and planty of homebrew projects for radio amateurs, java calculators.
    [ Hits: 876 | Votes: 5 | Rating: 7.2 ]
Internet and Radio : Online Receivers
  • PSK31 Web Receiver - These web receiver based in Kiew Ukraine show PSK31 activity on 20m band 14.070-14.074 MHz remotely by using a web browser. Requires java by the MixW team
    [ Hits: 4528 | Votes: 18 | Rating: 6.73 ]
Internet and Radio : Web Rings
  • DXRING - Site for live internet DX and CB/Freeband chat, DX propagation tools, DSP software, Live DX chat and CB chat pages using Java client, radio review
    [ Hits: 2013 | Votes: 4 | Rating: 4.5 ]
Operating Aids : Distance & Bearing
  • QTH Locator and Calculator - Calculate bearing and distance and Locator online with this Java application, may not work with all browser.
    [ Hits: 7154 | Votes: 254 | Rating: 5.42 ]
Operating Aids : Time
  • USNO Mater Clock Time - Time reference from USNO, USNO Time in Standard Time Zones,USNO Master Clock Time Animated GIF Clocks, Analog Java Clock, Compute Local Apparent Sidereal Time, Check your local System Clock vs. our Master Clock!
    [ Hits: 1832 | Votes: 9 | Rating: 5.89 ]
Operating Modes : Morse code : Learning Morse Code
  • MobileMorse - MobileMorse is a program written in java that is supposed to help you learn morse code. It is supposed to run on henheld devices like mobile phones with java.
    [ Hits: 673 | Votes: 2 | Rating: 5.5 ]
Propagation : Propagation Forecast
  • Propagation Prediction Tool - This is a propagation prediction program tailored to the serious contester
    [ Hits: 5184 | Votes: 8 | Rating: 5.12 ]
Software : Antenna analysis
  • Design and build helix antennas  updated - An on-line javascript calculator and quite a few pictures to show how to make a helix antenna.
    [ Hits: 17995 | Votes: 417 | Rating: 8.44 ]
  • Yagi Modeler Applet - This java applet/application implements a simple yagi modeling code. The initial input is a really trivial 2 elmenent yagi.
    [ Hits: 2916 | Votes: 31 | Rating: 6.16 ]
Software : Circuit Design
  • JavaScript Electronic Notebook, K7MEM - It consists of a group of JavaScript driven web pages that are intended for use as a quick reference for Ham Radio operators or just anyone interested in electronics. Offer calculators for Resistors, capacitors, inductors, power supplies, filters, attenuators and antennas
    [ Hits: 3222 | Votes: 16 | Rating: 7.62 ]
Software : Internet Linking
  • HamSphere - This is a Ham Radio Software Transceiver for Amateur Radio. Software works in Windows, Mac and Linux. HamSphere is a community for Ham Radio operators and other radio enthusiasts. Amateur radio equipment is not needed. The Transceiver uses java technology and covers all virtual Ham Radio and Amateur radio bands from 160 to 6 meters.
    [ Hits: 1178 | Votes: 13 | Rating: 8.46 ]
Software : Linux
  • Visual Moon Tracking - Java moon tracking software runs on LINUX, Win 98, Win NT, UNIX, OSF, MacOSX
    [ Hits: 9711 | Votes: 42 | Rating: 5.95 ]
  • DF9CY Project Auriga - PA is a JAVA software package containing several programs, SW/VHF/UHF Logbook (imports format from RADIOMAN, VMT), Log conversion to HTML format, Import and export functions for RADIOMAN, CT RES files, BV QSL Labels, CSV etc. Internet DX-Cluster support, Keeps track of your worked Callsigns, Checks your worked Grid Squares per band, Databases for worked Grids and Callsigns Uses K1EA CQWW.CTY country file, Easy command line version for terminal operation Moontracking as clock, Pathloss calculation
    [ Hits: 1869 | Votes: 0 | Rating: 0 ]
Software : Morse Code Training
  • Morse Code Practice Java Applet - CW ear trainer for Java-enabled browsers. Sends custom text, random groups of letters/digits/punctuation, or any random characters. 5-18 WPM code speed (18 WPM character speed).
    [ Hits: 4520 | Votes: 54 | Rating: 4.74 ]
Software : Satellite tracking
  • J-Track 3-D - Live satellite tracking by NASA science web site. Requires Java
    [ Hits: 2426 | Votes: 6 | Rating: 4.17 ]
Software : Utilities

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