Drag And Drop Microcontroller Programming
Modkit is an in-browser graphical programming environment for microcontrollers. Modkit allows you to program Arduino and Compatible hardware using simple graphical blocks and/or traditional text code. Modkit’s graphical blocks are…
Become a Ham Radio Operator
Become a Ham Radio Operator A Yaesu FT-2000 tranceiver. Photo by Hideki Saito on flickr Amateur radio is a popular hobby with over 690,000 participants in the U.S. alone. But…
Antenna Tuner
An antenna tuner, also known as a transmatch, is a device for correcting an impedance mismatch between a transmitter or receiver and an antenna. The Tuner Fallacy It is often…
Duplexer
A duplexer is a device that allows bi-directional (duplex) communication over a single channel. In radar and radio communications systems, it isolates the receiver from the transmitter while permitting them…
Antenna Loading Coil
An antenna loading coil is an inductor placed in series with an antenna element in order to lower the antenna’s resonant frequency. A standard dipole antenna is resonant if constructed…
What Is Cavity Filter
Cavity filters are the basic circuitry behind a Duplexer and are sharply tuned resonant circuit that allow only certain frequencies to pass. Generically, filter of this kind are known as…
APRS And Kenwood
Bob Bruninga WB4APR talks about his relationship with Kenwood and APRS The Kenwood TH-D7AG Data Communicator is equipped with a built-in TNC (1200/9600) and provides APRS® (Automatic Packet/Position Reporting System).…
ATrack – APRS Client For OpenMoko Freerunner
APRS tracker and communicator for mobile devices written in python / elementary. Targeted especially for the Openmoko Freerunner it utilizes FSO freesmartphone middleware framework. Tested and used on SHR, where…
How To APRS Via Smartphone Or iPad
Please do not copy this article without credit or backlink to my original post. How to update your location to APRS via smartphones (Blackberry, iPhone, Android or Symbian) From http://wiki.ham.fi/Aprs.fi_Web_stations…
Emergency Radio Procedures
An effective distress call can mean the difference between life and death, but rescue agencies are frequently rendered helpless by inadequate distress calls, or distress calls that are never made.…
Short Wave Listening Fun
Shortwave listening demonstration. Hear a sampling of foreign and domestic broadcast stations, time standard signals, international air traffic, amateur (ham) radio voice and Morse code communications on a general coverage…
What Is Amateur Radio (Ham Radio)
Greatly done video about amateur radio in general and how to get amateur radio license in United States. http://youtu.be/6Kad5KZKqV0
Joe Walsh WB6ACU Talks About Amateur Radio And Music
Joe Walsh talk about amateur radio and music from his point of view, listen to the audio from this youtube channel and you will know. If you don’t understand English,…
Ubuntu – A Ham’s Best Friend
The following will appear in “In the DARC” – the Dallas Amateur Radio Club Newsletter for May, 2007. I “chucked” Windows (the operating system) about four years ago. Why? I…
Who Is 9W2SUX ?
Recently there was a commenter on my blog, his/her nickname is 9W2SUX. As far as i know, 9W is suffix for class B amateur radio station from Malaysia, and 9W2…
XASTIR – An Opensource APRS application
Automatic Packet Reporting System (APRS™) (also known as “Automatic Position Reporting System”) is an amateur radio based digital communication system for real-time exchange of digital information to users on the…
Hamexam – Study tool for USA FCC amateur radio (ham) exams
Package: hamexam Priority: extra Section: hamradio Installed-Size: 7372 Maintainer: Debian Hamradio Maintainers Architecture: all Version: 1.0.1-1~lucid Depends: evince Filename: pool/main/h/hamexam/hamexam_1.0.1-1~lucid_all.deb Size: 743070 MD5sum: 9cdc41c0ad70a5cae8a75ebad263efff SHA1: c867c6897f13d4fe6f78bcee0974f71fbb810d88 Description: Study tool for…
Gpredict For Hunting Satellites
Gpredict is a real-time satellite tracking and orbit prediction application. It can track an unlimited number of satellites and display their position and other data in lists, tables, maps, and…