java apps

N3DNO's Antenna calculator - A 3 element yagi antenna calculator that uses javascript by N3DNO

SWR Calculator - BesserNet Reflectometer is a fun SWR calculator and simulator Java applet

Eliminating TX RF Feedback Problems - Malfunction of transceivers due to stray RF pickup is a common problem, especially when using end-fed antennas, high-impedance feedlines, or a poor ground counterpoise

K7TJO copper pipe hentenna - Hentenna calculations and resources. Copper tubing / pipe with javascript calculator. Rectangular loop with matching section.

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.

VHF/UHF Yagi Antenna Design  ^{updated  pop} - Design your vhf yagi antenna online, a JavaScript enhanced web page that implements the design of an antenna in the VHF, UHF by K7MEM

Los Angeles Police Scanner  ^{updated  pop} - LAPD Los Angeles Police scanner. Listen to LAPD Live feed

Jefferson County New York Live Scanner - Live Police Fire Rescue scanner for Jefferson County, New York.

Tucson-area police radio scanner - Launch the StarNet radio scanner to listen to Tucson-area police, fire and other agencies radio transmissions.

Las Vegas Metro Police Department 24/7 Scanner  ^pop - Las Vegas, NV Police scanner. It is 24/7 and live.

Las Vegas Live Scanner  ^pop - Las Vegas, Nevada Police and Fire Live Scanner

javAPRSSrvr Users Group - This group is for users of the APRS-IS server software, javAPRSSrvr. Membership is by invitation only.

javAPRS Findu - Findu lookup interface, by station, position and prefix, Wap interface is availbale

Mira-T - APRS Display map java applet use expedia maps

NashvilleAPRS - NashvilleAPRS is a website designed to help APRS users in Middle Tennessee have a single, knowledgeable resource on APRS in the area.

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.

D-Region Absorption Prediction - This map represent the current position of the sun and how a solar flare influence an HF fade. Estimated recovery time is also represented. Includes son java and javascript animations of last two hour conditions

AM Loop Antenna Calculator - Java script calculator for AM loop antennas

Yagi Modeler Applet - This java applet/application implements a simple yagi modeling code. The initial input is a really trivial 2 elmenent yagi.

Javascript antenna calculations - Javascript online calculators for dipole 5/8 verticals with radials, and delta loop antennas

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

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

Java GUI for dttsp - This is an attempt at writing a GUI in Java that runs with the Linux dttsp code.

SV2AGW AGWTerm Packet Terminal - This program needs no other explanations because it is just a terminal program. The only difference is that it is multitasking. This means that you can have multiple connects and you can YAPP without restrictions. You can receive as many YAPPs as you wish simultaneously. If you have more than a RadioPort (You have more than a TNC) you can connect in any RadioPort. You can have also unlimited number of connections (about 100).

hamDXcluster for iPhone - DX Cluster for iPhone application