rf spectrum analyzer sof

Oscar Kilo Dx Group - 11m radio Oscar Kilo dx group HQ based central Uk

RadioQTH - Ham radio vanity license search - RadioQTH Amateur Radio Vanity License Search: This site shows vanity call sign requests filed with the FCC, when call signs will be available for vanity applications and other useful tools that will help in the search for the perfect amateur radio vanity call sign.

All about Lightning protection - Thierry LOMBRY, ON4SKY, gives advice to amateurs about lightning protection of an hamshack, including pictures and links.

Radio Audio and sound files - Some tens of very special audio files recorded during amateur radio activities like aurora traffic, meteor scatter, communications with ISS crew and the sound of various transmission modes that you can hear on HF and VHF bands

Radio Ham Zone Net Ring - Radio Ham Zone Net Ring - Amateur Radio related information including SSTV - Packet - CW - Software - Offers a links directory and much more.

Gizmotchy Antennas - The Charles Gizmotchy high performance horizontal and vertical beam antennas. Two, Six, Ten and eleven meters antennas

MixW RigExpert - USB INterface  ^updated - MixW RigExpert integrates sound card with CAT, PTT, CW and FSK functions in a single box with USB connection to your desktop or notebook computer for operating phone, CW, and digital modes.

TestInHouse - Manufacturer of RF Shielded boxes, RF shielded enclosures, test accessories for wireless phones and handhelds testing. RF and Audio test solutions. GSM, CDMA, BlueTooth, Wi-fi test.

QRP LABS - The QRPLABS series of single band QRP CW tranceiver kits are high performance CW tranceivers with easy operating features, small size and light weight.

QSLing and award chasing by ON4SKY - In his back office section, ON4SKY, initiates in a few articles the beginners in the art of QSLing and award chasing.

How to select a transceiver - Thierry LOMBRY, ON4SKY, develops in several technical articles the way to select a transceiver. His website includes also some in-depth reviews

The History of amateur radio from 900BC to date - Thierry LOMBRY, ON4SKY, develops in depth and with original pictures the long history of amateur radio all through the world from 900 BC to date.

Basics of Propagation by ON4SKY - Thierry LOMBRY, ON4SKY, develops in several long articles the bascis of propagation. His website includes also a French section dealing with auroras.

Giles SkyWarn - Giles SkyWarn KI4CFK is an ARRL affiliated club dedicated to preparedness in case of severe weather or any emergency which requires emergency communications on 146.775

Eurofrequence Dierking in Germany - Accessories, like universal audiofilter, Mixer interface for sound card, highvoltage powersupply, accessories for 706, hamradio vacation,Roger Beep, Microphons, Headsets and more. Please look

AEA - Wireless software - AEA Wireless Director Software Series turns PC's (running Windows 95/98/2000/ME or NT) into powerful tools that expand the use and power of SWR, Return Loss and Complex Impedance Analyzers.

All in One by WD8KNC - Windows based contest logging software with multiple functions like antenna rotor control, dx cluster, cat control, voice and cw keying, supports many data modes, qrz lookup, pirint qsl and labels, mapping and more

Smorse - Palm OS morse code software, simple morse code sender, sends code on the built-in speaker at 1-80 WPM. Higher speeds are sloppy because of the 10 msec resolution of the internal timer.

DX ToolBox - DX Toolbox searches the web for you, gathering information on solar and geomagnetic conditions that affect radio propagation. It's ideal for the ham radio operator, shortwave listener, or other radio enthusiast.

RadioLink Propagation Prediction - Calculate path losses of a point-to-point radio link. Create terrain profiles using digital elevation models.

SIGVIEW spectrum analyzer - Complete real time signal analysis software with wide range of powerful FFT spectral analysis tools, statistics functions and comprehensive visualization system.

Introduction to spectrum analyzer - Explains the fundamentals of swept-tuned, super heterodyne spectrum analyzers and discusses the latest advances.

K8TM Articles - This publications page lists articles on surface mount devices, amateur radio, soldering, shunts, and measuring large direct currents.

Ham.dmz.ro  ^pop - Programming software, diagrams, radio mods, secrets, service manuals for Motorola, Yaesu, Kenwood, Icom, Alinco.

Build A Vector Network Analyzer - The VNA (vector network analyzer) is an essential tool for measuring the complex impedance of a circuit at a given frequency. Article on how to build a Impedance analyzer.