spectrum scope

Patch antenna for APT - The patch, or microstrip, antenna has become a common workhorse for the microwave spectrum from about 1 GHz to tens of GHz. This type of antenna consists of two conducting layers separated by a dielectric to form an extended capacitor by WlHDX

220 MHZ Spectrum Management Assn - Amateur radio spectrum management and frequency coordination entity for 219

Young Ladies Radio League - Organized in 1939, YLRL (Young Ladies Radio League) is a nonprofit organization of women Amateur Radio Licensees. With a membership of approximately 800, it is international in scope with about 100 of those members who are DX YLs.

VE3FW Lakehead Amateur Radio Club - The Lakehead Amateur Radio Club members have all levels of interest and knowledge in the wide spectrum of amateur radio.

T.A.S.M.A. - Amateur radio spectrum management and frequency coordination entity for 2-meters in southern california.

Rainbow Amateur Radio Association - RARA was founded in 1995 by a group of active amateur radio operators from several regions of the United States. Today, the club is international in scope with over 135 members around the world.

Madell Technology Corporation - Makers of oscilloscopes, spectrum analyzers, frequency counters, power supplies and more testi equipment products

Spectran - Cheap hand held Spectrum Analyzer

Trilithic - Broadband instruments, R and microwave components and filters, field analyzers, spectrum analyzers

Aeroflex - Aeroflex products support the Test and Measurement Instrumentation field; including aerospace, defense, wireless mobile and broadband communications. Aeroflex solutions encompass a full spectrum of instrumentation for solving test and measurement requirements.

Willtek Communications - Comprehensive range of cutting-edge solutions for testing, measuring, and analysing rf networks and devices. Testers, mobile service testers, handheld spectrum analyzers

Radio Astronomy Supplies - Radio Astronomy Supplies astronomy products since 1994 including radio telescopes, LNA's, noise callibration source, books, videos.

ScopFIR - Free windows comprehensive tool for Finite Impulse Response (FIR) filter design

Cleverscope - The PC USB mixed signal oscilloscope - Cleverscope PC based oscilloscopes, spectrum analyzers and signal generators

BIP Electronics Lab Oscilloscope - Freeware windows oscilloscope uses the sound card's input to measure signals. This means that the quality of the scope depends on the quality of your sound card. The scope automatically uses the highest sample frequency available at the input that you select

ScopePar - ScopePar turns your old PC into a multi-channel oscilloscope, the user-interface to which is SeriCon on Windows PC.

Bitscope Waveform Generator - Integrated DSP based waveform generator and timing for BitScope. Arbitrary waveforms, synchronized clocks and external triggers.

EIS Spectrum Analyser - Freeware program for analysis and simulation of impedance spectra

Freakin’ Beacon Setup Program - A small program to simplify changing messages in the Expanded Spectrum Systems Freakin' Beacon controller. The program makes it easy to modify an existing message or to have multiple messages available in different files ready to program into the beacon controller.

The simple man's Spectrum Analyser - An easy to build spectrum analyzer

Noise Figure Meter with a Spectrum Analyser - A relatively simple automatic Noise Figure (NF) meter was developed which is using a spectrum analyser as the receiver and logarithmic power detector.

Science Workshop - Home of the Poor Man's Spectrum Analyzer

Oscilloscopes - basic use and measurements - A 12 pages pdf article about oscilloscope use, calibrating, operator controls and tips on making measurements by NA5N

The Oscilloscope - What is an oscilloscope, what can you do with it, and how does it work? This section answers these fundamental questions.

How oscilloscopes work - A guide to learn how oscilloscopes work