Updated Malaysia Ham Repeaters Garmin POI
Newly and updated Garmin POI for amateur radio repeaters in Malaysia available for download. Kindly mail me if there any corrections. Tnx.
Newly and updated Garmin POI for amateur radio repeaters in Malaysia available for download. Kindly mail me if there any corrections. Tnx.
The two phrases above are probably the most common phrases used in any QSO. One old radio friend of mine asked me whether something could be done to get people…
Arduino APRS Automatic Packet Reporting System (APRS) is an amateur radio-based system for real time tactical digital communications of information of immediate value in the local area. In its most…
This is my setup on Kenwood TS-570D HF Transceiver with Kenwood MC-80 desktop microphone. mic gain 50%, processor compression level 20, potentiometer at 10 o-clock, transmit EQ high boost. Thanks…
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 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…
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…
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…
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…
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…
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).…
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…
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…
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.…
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…
Greatly done video about amateur radio in general and how to get amateur radio license in United States. http://youtu.be/6Kad5KZKqV0
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,…
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…