spectrum tone analyzer

Palstar - Receivers, Antenna Tuners and accessories, antenna analyzers, dummy loads, wattmeters, shortwave radio receivers, baluns, filters

PicoScope - Pico Technology have developed a wide range of professional PC-based instruments that offer all the functionality of conventional test equipment (DSO - digital storage oscilloscope, spectrum analyzer, meter), and also many features not normally available in this price range. Available functios are Oscilloscope, Spectrum Analyser, XY Scope, Meter and Measurements

Basics of Radio Astronomy - This workbook was developed to support training for the Goldstone-Apple Valley Radio Telescope, but is a resource applicable to all radio astronomy.

Caltech Submillimeter Observatory (CSO) - A 10.4-meter diameter, submillimeter spectrum telescope. Situated at the top of Mauna Kea, Big island, Hawaii.

FCRAO - A 15-meter diameter, submillimeter spectrum telescope. Situated near the summit of Mauna Kea, Big island, Hawaii.

VLF Natural Radio Discussion Group - Discussion group dedicated to those who enjoy monitoring radio frequencies in the VLF radio spectrum and slightly below the VLF spectrum (3-30 KHz).

Introduction to MFSK and the MFSK16 - A new weak signal DX mode for Radio Amateurs, employing M-ary FSK, phase continous tones and convolutional coded FEC.

C.B. Packet Priority listing - Packet radio in the U.K.and other U.K. radio including 446 and SSB on 11 mtrs

MMANA-GAL - MM Antenna Analyzer by JE3HHT Makoto Mori based on the moment method, which was introduced in MININEC

BeaconSee - BeaconSee shows you, in real time, worldwide HF band openings on your PC. Analyses the audio signals from your radio, which is tuned to the NCDXF IARU HF beacon network and shows you the signal strength received from each of the 18 beacon transmitters as a plot of frequency spectrum against time.

CW Skimmer - Multi-channel CW decoder and analyzer for Windows 98/ME/2000/XP. Simulatneously decode ALL cw signals in the receiver passband - up to 700 signals can be decoded in parallel and extract call sign

THROB - An experimental program using 9 tones and FFT detection

WSJT High Speed Meteorscatter - "Software uses four-tone frequency-shift keying for meteor scatter. WSJT stands for ""Weak Signal communications, by K1JT"", and plans call for the program to include more than one communication mode."

Hoka Electronics Italia - Decoding and data analyzer software

Code332 - Multitasking data analyzer demodulator and decoder for Windows.

LF Analyser - Professional analyser sound signals, scope, spectrum, spectrograph

iSpectrum Analyzer - Macintosh audio spectrum analyzer that allows the user to view live audio in a standard frequency plot, a stereo oscilloscope view and a waterfall display

MRP40 Morse Decoder  ^pop - Program to receive morse code via sound card, Windows 9x/Me/XP, it allows to transmit morse code from the keyboard. Includes a comfortable Audio Analyzer Display. Successor of known MRP37

59+ CW  ^pop - Freeware Win32 application can be used for sending CW signal to the transceiver over a COM port or simply listening to Morse code on the speaker. The application is very easy to configure and will allow you to you to add new Morse characters set speed, tone, dash, dot, PTT line delay and other parameters. It is also possible to set shortcuts for call, QTH, name, RST and ANY other QSO field.

RX-PSK31 - Easy to use Audio Spectrum and PSK31 decoding program specially designed for SWL's who don't need TX or for anyone who just like to monitor PSK31 or analyse signals. Adjustable DSP and Spectrum settings for audio and frequency spectrum to set for best decoding of PSK31.

Spectra - Accurate spectrum analyzer in the range 0 - 2500 Hz, makes an accurate FFT analysis of an audio signal coming from the soundcard

GSpec - Spectrum Analyser for Win9x/2000 and NT, that will display audio input to your sound card in the Frequency and Time domains

Analyzer2000  ^pop - Superfast analyzer for audio and radio signals

HamAlyzer  ^pop Priority listing - HamAlyzer is a spectrum analyzer made just for hams, save plot images easily for emailing, monogramed with your call sign. HamAlyzer looks no more supported, here 2.8 trial version available. Download hamalyzer

Spectrum Analyzer Project - This is a tracking page for a tv tuners based homebrew spectrum analyzer project.