basic components

Five eighths wavelength vertical antenna - The basics of a five eigths wavelength vertical antenna, a form of RF antenna widely used for mobile radio communications applications

Antenna resonance and bandwidth - About antenna or aerial resonance and bandwidth and the impact of RF antenna resonance and bandwidth on radio communications systems.

Antenna Tuner Basics - Basic antenna tuner information by G8NQN

Quarter wave vertical antenna - About the basics of the quarter wave vertical and ground plane antennas that ares widely used for medium wave broadcasting, mobile radio communications applications and many more.

The Basics of Contesting - Article about ham radio contesting and calendar of major contests by G4UCJ

Cobham Microwave Priority listing - Cobham Microwave has a long term experience in Microwave Systems and Components. Their five areas of capabilities are Systems and Components: Diodes & Modules, Ferrite Devices, RF Filters, and Waveguides.

Meteor scatter or meteor burst communications - A summary, overview or tutorial covering the basics of Meteor Scatter or Meteor Burst Communications, a form of radio signal propagation often used at VHF.

Using a Straight Key - John Shannon, K3WWP article on basics of learning morse code using a straight key.

RTTY Basics - Introduction to RTTY by G3LDI

Waveguide basics tutorial - Summary, tutorial about the basics of what is a waveguide and the basic waveguide theory.

Farnell Components - Electronics components, rf connectors worldwide dealer

ASAP Electronic Component Distributors - ASAP Semiconductor is a premier source for all long lead-time, hard to find, and obsolete components.

Fairview Microwave Inc - Supplier of RF, Microwave, & Wireless passive coaxial components, including Coaxial Attenuators, Adapters, Cables, DC Blocks, Terminations, & Connectors

Sigma International - Wholesale Supplier of Electronics Components in Delhi, India

ASAP Semiconductor - Electronic Component Distributor – ASAP Semiconductor is wholesale electronic component distributor in USA. We supply all types of electronic components like semiconductors, capacitors, resistors, diodes and many more.

AFR Enterprises - AFR Enterprises a leading distributor of electronic components, semicondustors, diodes, Resistors, Integrated Circuits across the USA.

Sovtube.com - Russian Radio components - Russian Tubes, Capacitors , Resistors , Ferrites Sockets and other components

GES Electronics - Ham rasio shop in Chzeck republic, offer antennas, filters, roators, electronic components, cw keyers, power supplies, and other ham shack accessories

Amateur Radio Call Log - Amateur Radio Call Log is a basic ham radio logging app for Android 1.5 and above. It stores Date, Time, Station, Freq, Mode, RST, and additional comments. Also has the ability to easily look-up callsign information from the FCC database.

Spectrogram for iPhone - Spectrogram for iPhone displays a live, scrolling display of sound frequency components derived from a 1024 FFT analysis.

Speech Intelligibility - Articles published by the Radio Society of Great Britain, basic principles, construction of a simple equaliser circuit

Dummy Load project - Easy project to build a dummy load using easy to get components and tools.

Programmable 50 MHz Counter - The frequency counter described here was built up using the "sandwich" construction and uses low cost components

144 MHz Antenna Pre-Ampilfier - Electronic circuit and components layout fot this VHF Preamp

Software Defined Radio Tutorial - Tutorial and information about the basics of the software defined radio, SDR, and links of software defined radios to JTRS, and general SDR receiver technology.