simple receiver

A 40m Vertical - This antenna is intended as a simple, inexpensive solution for the newcomer to experiment across the 40m band (7.0–7.2MHz) when only restricted space is available

20m mini loaded dipole - It is very simple to build and you can tune it in your shack room

Picture of a multiband dipole  ^pop - Pictures of a multiband dipole, build with simple PVC T and standard electrical wire

WLAN antenna 2.4 GHz Do-It-Yourself  ^{updated  pop} - A simple homebrew outdoor antenna to 2.4 GHz band.

Simple double-quad Antenna  ^pop - 2.4 Ghz quad antenna

A Tincan feed for 2.45Ghz  ^updated - Construction details for a simple but effective antenna for 2.45Ghz wireless lan use.

Slotted Waveguide 802.11b WLAN antennas - 802.11b WLAN Waveguide Antennas Unidirectional & Omnidirectional. High gain, Simple construction by Trevor Marshall

A two element yagi bean - Simple gain antennas for the beginner, a 2 element yagi antenna

GlobalTuners.com - GlobalTuners provides access to web controlled receivers. Listen to Ham radio, Tune Shortwave radio, Listen to Air traffic control, experience Airband receptio including ACARS and Airports. Tune remotely controlled receivers all over the world with your browser and get live audio.

Live receiver from Holland - PA3ANG online receiver Ten-Tec RX320 from holland

Kiwa Electronics - Kiwa Electronics is a company that specializes in accessory equipment for the radio enthusiast. Our products include Filter Modules to improve receiver performance, a High Performance Medium Wave Air Core Loop Antenna for improved broadcast band reception, the Pocket Loop Antenna, the Earth Monitor, BCB Rejection Filter and Broadband and SW Preamps. We also offer numerous performance upgrades for popular receivers.

AtomicTime - Atomic time has a wide variety of atomic clocks and atomic watches which use a built in receiver that synchronizes them with the official u.s. time via the atomic clock in fort collins, colorado.

K4TR Antennas - K4TR Manufacture and sell simple dipoles, half square 2 wire phased vertical arrays, end fed zepp antennas, G5RV antennas. 1:1 baluns

Ramsey Electronics - Large selection of affordable and fun hobby kits as well as a really neat selection of electronic gear. Transmitters and receivers kits, test equipments, RF test enclosures.

AM Stereo - AM stereo receivers are available, with technical descriptions of modulation and demodulation, as well as listing of known AM stereo stations.

FT-1K OptoCAT - The simple and safe RS232 CAT interface for Yaesu FT-1000MP, FT-1000MP Mark V and FT-1000MP Mark V Field rigs

Mikra s.r.l. - Surplus - Surplus electronics, satellite receivers, GPS

Computer international - Bonito, butel wavecom and bogger products dealer. Accessories to decode encode and process radio communication transmissions for Radio Receivers, Transceivers and Scanners

Yagi Modeler Applet - This java applet/application implements a simple yagi modeling code. The initial input is a really trivial 2 elmenent yagi.

Hamlog - A simple quick and easy to use Amatuer Log Book for windows

Avoid pitfalls when recharging batteries to ensure long life - Portable design - avoid pitfalls when recharging batteries to ensure long life - secondary batteries can be simple devices, but improper charging can be devastating to the user experience.

Simple Reverse Polarity Protection - This simple modification is applicable to pretty much any 12 volt operated, positive earth equipment. by Chris Cox, N0UK, G4JEC

A low pass filter circuit - A simple 7 element, Chebyshev low pass filter, rolls of at 30MHz. Attenuation is better than -40dB at 60MHz, -65dB at 90MHz, -80dB at 120MHz.

RS232 interface for Kenwood rigs - SS232K - The simple and safe RS232 interface for Kenwood radios

A CW TX for 80 meters band - This simple circuit will give about 1.2 Watts of output when powered from a 13.8VDC supply.