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AirGrab WiFi Radar by AirGrab

AirGrab WiFi Radar is a tool to display information about Apple Airport base stations and other WiFi (802.11b/g/n) wireless access points. Using AirGrab WiFi Radar you can determine most popular WiFi channels and select optimal channel for your WiFi network. Encryption status of network shows WEP, WPA, WPA2 modes of all immediately available WiFi networks.

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sonic beacon by Sonic Beacon

Sonic beacon is a PC-based test and measurement system for the testing of loudspeakers using a low cost microphone, preamp and a commercially available Windows multimedia sound card. Sonic beacon will perform impedance, frequency and phase response, harmonic and inter-modulation distortion, sensitivity as well as other FFT and real time analysis tests, Sixteen bit sampling rates up to 192 kHz and FFT lengths up to 128K points are supported.

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bee by The Beehive

bee is an emulator of several video game systems. It currently emulates the "Sega 8-bit sytems" Master System, ColecoVision, and SG-1000, as well as the Atari 2600/VCS. More systems will be added in the future. bee is designed to be portable, accurate, and easy to use. At this time, it is available for Windows, Mac OS X, and Linux x86.

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SigJenny by NaTCH Engineering

SigJenny turns your PC into a flexible and powerful signal generator for free! It generates numerous different waveshapes, can sweep them or arrange them as tone bursts, graphically display them, and do a very good impression of a police car. The output can be a single frequency or swept, or a single or repeating tone burst. The input from a microphone can be shown and the output frequency can be specified as musical pitch!

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