spectrum lab

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

USA frequency allocations - The radio spectrum in usa, PDF File representing the united stares frequency allocations in graphical mode, by NTIA

WCAARC.ORG - West Central Alabama Amateur Radio Club

Cross County Amateur Radio Club - This website is made available to the CCARC Hamradio Community and to anyone interested in Amateur Radio.

The Art & Skill of Radio-Telegraphy - A freware book on learning morse-code. The Art & Skill of Radio-Telegraphy Third Revised Edition by William G. Pierpont N0HFF, online version available in multiple languages

WiNRADiO Communications - WiNRADiO Communications manufacture radio communications equipment for a very wide range of applications. Our customers include professional communications radio users in government, military, security, surveillance, spectrum monitoring organizations, telecommunications, industry, as well as radio and computer enthusiasts.

Austin Antenna - Austin Antenna employs leading-edge antenna technology in the production of the highest performance antennas currently available. Marine Antenna, Multi-band Mobile, Point-to-Point, Base Station, Wide-band Land Based, LPDA, Linear Omni, Triplexer, Scanner Antennas

CAL-AV Labs, Inc. - Cal-av labs, inc. (formerly california avionics laboratories, inc.) manufactures electronic instruments and systems for research and industry. we specialize in radio communications and research/electronic test products. Amateur radio yagi antennas, rotary dipoles, baluns, morse keys.

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

Canada, radio spectrum allocations - Graphical maps of radio spectrum and frequency allocations in canada

NASA - Science@NASA J-Track Spacecraft - The official NASA tool for orbital tracking of the International Space Station and the Space Shuttle is available through Human Space Flight's Orbital Tracking web page. Shuttle and Station tracking will be removed from J-Track in the near future, but many uncrewed satellites will still be available for tracking

Icom IC-746 Pro Arrl tests - ARRL Laboratory Expanded Test-Result Report ICOM IC-746 Pro

ARRL: Kenwodd TS-2000 test results - ARRL Laboratory Expanded Test-Result Report Kenwood TS-2000 prepared by American Radio Relay League, Inc. Technical Department Laboratory in pdf format

KD5PDP - Kenwood TH-F6A notes - Kenwood TH-F6A portable amateur radio transceiver notes

KC7RYN IC-2100H Review - A brief review of the IC-2100 mobile 2m transceiver

Lteck Batteries - Two Way Radio Batteries, Rechargeable Batteries, Radio Batteries, Battery Chargers, factory direct with lowest prices available!

Alabama radio - Eastern Alabama's dealer of amateur radios and antennas, CB radios and antennas, scanners, radar detectors, power supplies, and other related accessories.

RadioLabs - Radio, Wireless and Beyond - Specialize in engineering, design and repair of all rf equipment. Dealer for two way radios, scanners, shortwave radios, wi-fi antennas, wifi amplifiers. Based in Fortuna, California.

Microphones clip art - coolclips.com microphones clip arts available for personal use

Icom IC-R2 programming software - IC-R2 programming utility v1.01 Rel. 04.02.99

Uniden sc200 software - ARC200 - ARC200 is the latest software for the Uniden Sportcat SC200 and is the most versatile software available for the Sportcat Sc200

PICBeacon - CW/QRSS beacon, based on a microcontroller PIC16F84, by Microchip, with only few other components. Schematic and component list available

Delabs technologies Product Design and Engineering - Around 200 electronic circuits in pdf format or images, There are also over 1000 links to useful electronics, freeware, open source websites. There are some 100 useful documents, software and pcbs too. Mainly industrial electronics, instrumentation. Covers Various aspects of electronics and basics of circuit design.

MicroBeacon - The MicroBeacon is the combination of a memory keyer and controllable RF attenuator.

Rf probe - A sensitive RF probe is very useful in a situation where an oscilloscope is not available