audio oscillator kit

Homebrew Kites - This article by Seabury Lyon, AA1MY describe how homebrew kits for amateur radio pourposes, in order to support wire antennas

Top-Loaded Wire for 80 and 160 Meters - Operating on 160 meters from a city lot is always a challenge. Here's how K9YC does it.

160 meters kite lifted antenna - 160m Band 1/4 Wave Kite lifted vertical antenna

Portable Aerial based on the Slim Jim - A modified Slim Jim end fed aerial made out of 300-ohm ribbon feeder cable.

Antique Radio Store - Based in San Diego CA, collectible radios, test equipment, tubes, antique radio parts, speakers and kits

WIA National News - 30 Minutes of Ham Radio news produced each Saturday and broadcast across the globe by VK1WIA.

Numbers Stations - About numbers stations, and their criptic transmissions, where to listen to them and some audio recording samples by fascinating shortwaves

Sounds of the Commercial and Military Digital Station - Information and digital audio samples of various modem modulation types

DMsolar - Solar Panels, Grid Tie Systems, Solar Power Kits, Solar Cells and more. DMsolar carries solar energy products for your needs.

Solar Panels and Home Kits - Solar Panels Grid Tie Systems, Kits, Fountains, Chargers and more

RF Industries - RF Coaxial connectors, adapters, installation and test kits, Coaxial cable assemblies

DDS-60 Kit - A 1-60 MHz coverage VFO with built-in amplifier and variable output level from 0 to 4V p-p.

DZ Kits - Ham Radio, SWL and electronic kit manufacturers

LCD Digital Dial DDS VFO - N3ZI KITS: Low Cost Frequency Counter and DDS-VFO kits

QRP me - QRPme offer QRP kits, tuna tin kits by W1REX

M3 Electronix - Offers high quality electronics test equipment, in kit form, to enhance the test bench of any technician or hobbyist. Our goal is to provide reliable, affordable products with unmatched technical support

Digital Modes Samples - Audio files of many digital modes. Many were recorded in the HF bands an most others are found on VHF/UHF frequencies.

IC-756 Modifications - Spectrum Scope Adjustments, ACC1 Audio Output Increase, General Coverage TX Mod

MM0XDG Yaesu FT-2000 settings - These are the key menu settings for RX and TX Audio that I used to use on the Yaesu FT-2000. I have published them here as a web-based recod for me, but also for the benefit of other licensed amateurs who may be looking for a starting point.

Winnipeg Police Fire Paramedic Scanner - Live Streaming Audio of Police, Fire, and Paramedic Services in Winnipeg, Manitoba, Canada.

Rookey Kit - Encode/decode On-Off audio pulses for remote control of projects

QRP AM(cw) Transmitter for 10 meters - In this project, you will make a simple low-power broadcast-type circuit, using a crystal oscillator integrated circuit and an a collector modulated AM oscillator.

Elecraft KX1 Build - Assembling the Elecraft KX1 Portable CW Transceiver Kit

The RF Noise Identification Website - VE3HLS Audio files to help identify rf noise (rfi). Identify the RFI that interferes with your reception

SDR-908 Portable SDR - The SDR-908 is a software defined radio designed specifically for portable use, without the bother of being tethered to a PC or soundcard for the modulation/demodulation processing performed in this kind of radio.