"hello world"
article in Tech random-technology

Amateur Radio || Ham Radio

Amateur Radio
Find an Amateur Radio License Exam in Your Area

SourceForge.net: hamlib - radio control layer.
Home - CHIRP - CHIRP is a free, open-source tool for programming your amateur radio.
RASON Projects - Radio Amateur Society of Norwich projects page.
deep darc » Radio Frequency URI - thoughts on using URIs for radio parameters...

APRS: Automatic Position Reporting System
Xastir—Open-Source Client for the Automatic Packet Reporting System | Linux Journal
AX.25 - Wikipedia, the free encyclopedia
AX24.2.2 spec doc
A High-Performance Sound-Card AX.25 Modem « Eclectic Technical Experiences

Simple Pyro RF Transmitter (27 MHz) - Introduction | PyroElectro - News, Projects & Tutorials
kb8ojh.net - Packet - Soundmodem, the AX.25 utilities, etc.
Simple Pyro RF Receiver (27 MHz) - Introduction | PyroElectro - News, Projects & Tutorials

Lacrosse sensors - Most of LaCrosse sensors use 433MHz frequency to send the meteorologic data
Bit encoding of TX3 Lacrosse sensors
DOMO Pages : LaCrosse 433MHz receiver - USB

blogs and articles of interest

Paul Warren: A Lack of Entropy
DDS vs Si570 - HansSummers.com
A Microcontroller-Based Phase-Locked Loop « Eclectic Technical Experiences - great article, great blog. Eclectic Technical Experiences
Chronicles radio by XV4Y | News on amateur radio and amateur astronomy in the Mekong Delta (oh ya, its in French, get your babelfish ready!)


DCF77 - Wikipedia, the free encyclopedia - 77.5 kHz carrier signal from atomic clocks in germany
kb8ojh.net - SDR - Software-Defined Radio
absorptions - RDS-TMC things
The Scientist and Engineer's Guide to Digital Signal Processing's Table of Content

number stations

apparently the world’s intelligence agencies transmit secret messages to deployed spies via number stations. there is a 5 cd set of recordings called the Conet project. (it is illegal to listen to these transmissions in the United Kingdom)
ird059-conet-project-booklet.pdf - Numbers Stations - A Beginner’s Guide,pictures,notes, etc.
Hearing Voices – Futility Closet
The Conet Project - Wikipedia
The Conet Project - Recordings of Shortwave Numbers Stations [ird059] : Free Download & Streaming : Internet Archive
The Conet Project: 1111 / 5CD Edition on PledgeMusic

The DXZone: ham-radio, shortwave and cb-radio guide
The SWLing Post | shortwave radio news, pirate radio, numbers stations, interviews, shortwave radio reviews and more

SDR software defined radio - Dave Horner's Website

IP over Avian Carriers

RFC 1149 - Standard for the transmission of IP datagrams on avian carriers
RFC 2549 - IP over Avian Carriers with Quality of Service

Phonetic Alphabet

Phonetic alphabet tables - Alpha Bravo Charlie My Phonetic Alphabet

morse code

WinMorse - The Ultimate Text to Morse Solution
CW morse code decoder
Created: 2012-10-07 18:36:39 Modified: 2014-07-02 14:57:33
/root sections/
>peach custard pie
>random tech

moon and stars

My brain

Visible Dave Project

\begin{bmatrix} 1 & 0 & \ldots & 0 \\ 0 & 1 & 0 & \vdots \\ \vdots & 0 & \ddots & 0\\ 0 & \ldots & 0 & 1_{n} \end{bmatrix}