simple receiver

1270Mhz Yagi Antenna - Build your own antenna for the 23cm band ( 1250Mhz - 1280Mc ) using some aluminium and this simple design.

Surplus Radio Society - Dutch society of collectors of old ex-military radio equipment and other nostalgic receivers and transmitters

BoatAnchor Manual Archive - BAMA - The manuals in this archive are available to all who enjoy working on and restoring old tube type amateur radio equipment and short wave receivers. Hundreds of boatanchor manuals

WebSDR in Louisiana USA - WebSDR Receiver on 10 meter by W5ZA located in Shreveport, Louisiana USA

Nil-Jon Antennas - Performance Compact Antennas VHF/UHF mobile and base for ham, business, landmobile, police, fire, satellite, APRS, simplex, repeater, TV, FM, scanner or monitoring use.

Kiwa - Filters and performance upgrades for many receivers

Valve radios - Viking SW design and produce valve (tube) receivers for the ham and SWL.

Hamtronics, Inc. VHF/UHF FM Receivers - A full line of single-channel synthesized and crystal controlled vhf and uhf fm receivers. Great for repeaters, telemetry, and control applications.

Radio Adventures - Design and manufacturing of electronic components, kits, and accessories for the amateur and commercial communications. CMOS Keyers, W1AW receivers, PC borads kits

NOGA QRP club - Small, but growing, group of amateur radio enthusiasts, most of whom are within 90 miles of Atlanta, are interested in promoting the development of the branch of amateur radio known as QRP - building and operating low power transmitters, receivers and transceivers.

Twinplex Receiver - How to Build the Twinplex Regenerative Receiver

The AM stereo page - A comprehensive listing of AM Stereo radio stations in North America with listening tips, news, AM mono to stereo radio conversion information, sources of AM Stereo receivers and a history of AM Stereo broadcasting.

SA Watch - SA Watch allows you to monitor and analyze the wandering that your GPS receiver appears to do when it is at a fixed location

Frequency Manager - Database system with 60000 frequencies, powerfull 3D MUF/LUF-propagtion software and full copntrol of several receivers

XPR for Linux - Simple program for ham radio Uses AX25 support built in Linux kernel, works in X11 graphics environment.

Cluster Blaster - Multichannel, continental code receiver for Sound Blaster cards by HA5DM

TrueTTY Priority listing - Program for amateur radio digital communications via a sound card. Supported modes are RTTY (Baudot code), ASCII (7 or 8 bits), PSK31 (BPSK and QPSK) and AMTOR-FEC (SITOR-B, NAVTEX). SELFEC SITOR decoding is possible also. No additional hardware required, need only a sound card. Optionally you can use simple circuit fo PTT-control. Can cooperate with RZ4AG AAlog logger.

SkySweeper - Provides most advanced digital signal processing (DSP) functions to be used together with your HF receiver. All signal processing is done in your PC and no extra hardware is needed. HF/VHF rx & tx and analysis software introducing free advanced SkyBoost and MFSK16 modes!

AAVoice digital voice processor Priority listing - "Digital voice processor for amateur radio operators. It use prepared ""wav""-files for transmition. Can work in the beacon mode. Optionally you can use simple circuit for PTT-control. It has a lot macros for tramsmitting. Can cooperate with RZ4AG AALog logger."

FFTDSP  ^pop - FFTDSP is a PC program which can detect weak radio signals in real time. Uses the PC's soundcard and advanced signal processing techniques, extracts and displays weak signals from the receiver audio.

Gain receiver performance - Tips for those who wish to gain another level of performance from their receiver

SM0VPO Homebrew pages  ^pop - Harry Lythall SM0VPO/G4VVJ homebrew web site, contains several projects, antenna notes and plans, receivers and transmitters plans, regularly updated.

Field strenght meter - Simple to build with a very clear instruction set, useful to check the radiated power of your antennas

RS232 Interface - This simple circuit is intended for older Kenwood radios and was presented in chapter 22 of the ARRL Handbook.

30m QRP Transceiver kit - 38 Special, 30m QRP transceiver by Norcal QRP club, single super het receiver, full QSK with sidetone smoothly