people spectrum

TASMA - Twin-Band Area Spectrum Management Association

NESMC - New England Spectrum Management Council

Handiham.org - Amateur Radio for People with Disabilities

Courage Center Handiham System - Ham Radio & technology for people with disabilities

Handiham Podcast - Ham radio for people with disabilities. A weekly podcast from the Courage Handiham System

Agilent - Spectrum analyzers - Agilent maker of Oscilloscopes, Analyzers, Meters - Spectrum Analyzer (Signal Analyzer)

Vintage QSL Collection - This website was originally inspired by the discovery of a number of QSL (radio reception report) cards dating from the 1920s and is intended to make images of the cards available to as many people as possible.

A long wave receiving system - A long wave receiving system using FFT software Spectrum Lab

A PC as VLF receiver - Using a PC with soundcard as a VLF receiver, how to use your PC as a receiver for narrow-band signals in the VLF radio spectrum by DL4YHF

Receive VLF natural radio with Spectrum Lab - Using Spectrum Lab for the reception of VLF natural radio

Ofcom PLT - Ofcom and Power Line Telecommunications (PLT)

Spectrum Analyzer Tutorial and Basics - A summary or tutorial about the basics of the spectrum analyzer, what it is and what it is used for.

Digital HF Antenna Analyser Project - This antenna analyzer measures complex impedance over the 1.6 - 33 MHz HF spectrum by ZL2PD

Analog HF Antenna Analyser - A simple antenna analyser for the HF spectrum with a built-in signal generator with 3-digit LED frequency display.