marker generator

Elenco Electronics - Test equipment maker, digital oscilloscopes, generators and counters, multimeters, logic probes testers and more

IWATSU - Test instruments corporation produces digital multimeters, Oscilloscopes, signal generators, universal counters

Leader - Waveform monitor, rasterizer, video and rf generators

BK Precision - Power supplies, electrical testers, battery analyzers, cable tester, rf generators, spectrum analyzers, Digital/Analog Oscilloscopes, Multimeters , attenuators, frequency counter

Create My Azimuthal Equidistant Map - Online generator or Azimuthal equidistand map

Lehman scientific - New unused surplus and used electronic test and laboratory equipment including spectrum analyzers, signal generators and oscilloscope

Aziworld - This program is a generator of coloured azimuth world maps centered on any terrestrial position. Windows Freeware

Amateur Radio Exam Generator - Industry Canada is pleased to introduce an exam generator software package to facilitate the amateur examination process that our accredited examiners have taken on our behalf.

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

Virtual Legacy Radio - Windows remote control for Yaesu or Icom. Displays the current transceiver settings frequency, mode, and others on the PC in an old-fashioned way that corresponds to the look of receivers in 70's. DX-Cluster Watch (DCW) is an application that automatically refreshes a web page with the dx-cluster content, parses spot lines from it, keeps a consolidated list and inserts the spots to VLR as frequency markers by OK1FIG

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

SweepGen - SweepGen turns a PC into an Audio Oscillator and Sweep Generator which can be used for testing audio or educational purposes. In conjunction with audio test instruments, you can make frequency response plots. SweepGen uses the sound card in your PC to produce sinewaves

Sine Wave Generator - Freeware windows Wave Generator use the sound card's output as sine wave output. A built in sweep algorithm is used by audio hackers to measure frequency repsonses of their amplifiers

Soundcard Audio Tools and Toys - Soundcard audio tools and toys, experimental ideas and utilities. Signal Generator, Frequency-counter / instrument-tuner, Real-time Spectrum Analyser

CW keyer - The PIC-MORSE is an electronic iambic keyer, integrating a generator of Morse code and a sidetone. It is built with a microcontroller PIC16C711. In French

OH5FAD RF Signal generator - Schematic and information

VK1PK RF Signal generator - 3 to 12 MHz signal generator, simple local signal source

Signal generator to adjust a ssb-transmitter

Signal Generation Solution - Build an inexpensive RF signal generator

Restoring an RF Signal Generator - This signal generator is intended for realignment of radio receivers

Precision E-200-C Signal Generator - This page lists some vintage test equipment including RF Signal generators, tube tester, cap tester, audio generator

Signal Generator VFO - Signal Generator (VFO) with Direct Digital Synthesis by Bruce AA0ED and Craig AA0ZZ

An Inexpensive PL Tone Encoder - If your local repeater has got you singing the PL tone blues, then read on. For less than $10, an inexpensive PL tone generator can be constructed that will bring new life into that old non-PL rig.

UHF signal-generator - Schematics by jf10zl

VHF signal generator - a simple VHF signal generator in order to measure the characteristic of low pass filter.