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CW decoder project that automatically adapts itself to the CW rate and may be employed for learning purpose substituting the traditional tone generator and offering the capability of displaying the keyed code.

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.

Dutch scanner web contains information about dtmf pagers gsm tetra umts scanners decoders.

Supply high quality accessories for your ham shack, including Band Decoders, various types of Antenna Switches, Antenna Stacking devices, special devices designed for the SO2R operator, USB Interfaces, Digital Mode Interfaces, Keyers and many others

A danish program capable to receive and decode morse code, free for windows

A sketch to read the input from the microphone and translate the dots and dashes into ASCII characters.

CTCSS Decoder and Encoder, DTMF Decoder projects

HF Weather Fax lets you receive marine weather radiofascimile transmissions on your iPad, iPhone and iPod Touch. Just connect it to a shortwave radio tune in a weather fax frequency, and watch the images come in.

Windows open source packet radio decoder. Decodes AFSK1200, AFSK2400, HAPN4800, and FSK9600 packet data with a radio connected to your pc sound device.

This program demodulates the telemetry data signal transmitted by the AO-40 satellite (aka Phase III-D) using the PC sound card

Gritty it is a Freeware RTTY decoder for Windows XP/7/8, it decodes a single signal in the 3-kHz audio coming from the transceiver via a soundcard, just like any other RTTY program.

Automatic band decoder, six way antenna relay, band reject coaxial stubs and more. Top Ten Devices is a two-man company formed in 1991 by N3RD and W2VJN.

Windows Software Defined Radio SDR for analogue and digital modulation types. Can decode AM and FM+RDS radio as well as DRM/DRM+ and time signals DCF77/HBG. Sodira supports the use of the RTL-SDR through use of the ExtIO_RTL2832.dll module. Demo version available.

A project for a simple RTTY decoder based on Arduino UNO R3. Includes the RTTY modem source code available for download along to schematics pictures and references.

This software allows your PC to connect to the Universal Radio M-8000 Decoder through its serial port in order to get and save the decoded data but also to send commands to the decoder.

Arduino Band decoder project available in KIT

Digital Vector Wattmeters, Dummy loads, software defined panadapter systems, SteppIR Tuning Relay, Digital SWR meters, LP-Pan Pan Adapter IQ Decoder for SDR based panadapter system

To build a Band Decoder to drive our remote relays, we need to supply the band information from the rig to the decoder

Build your own band decoder, for kenwood rigs too

MUlti mode digital signal decoder software capable or C4FM D-Star decoding, a guide to compile and install DSD

Ham Radio & NOAA Apt Weather Satellite blog. All weather satellite NOAA APT images are decoded with homebrew receiver. Setup using homebrew Turnstile Cross Dipole antenna, P-3 500MHZ PC with WIN-XP & WXTOIMG program.

This tutorial will show you how to connect a Morse key to the Raspberry Pi GPIO pins, and how to write code to play tones when you hold the key down. You will also decode the Morse that you're keying so that it comes up on the screen.

Decode Slow Scan TV (SSTV) on your iPad, iPhone and iPod Touch by Blackcatsystems

The HotPaw Morse Code Decoder decodes the tones of Morse Code characters from audio input, and transcribes the results into text. Commercial App for MacOS X. Price USD 19.99

Yet another Arduino CW Decoder based on the OZ1JHM prototype this include a custom program that can be downlaoded along to component list and pictures

This article first appeared in the October 1998 issue of Monitoring Times

RS41 Tracker is a software running on Windows that it is able to decode telemetries generated by Vaisala RS41 radiosondes. Used with a FM radio receiver it allows to display radiosonde positions on a map.

A PIC based morse code decoder circuit

If you want to build a cw decoder without using other active components than an atmel 328 - Arduino UNO , then this is sure something for you.

W5UXH version of OZ1JHM Morse Code decoder project

Hf-vhf-uhf-shf-digital-monitoring-site,wavecom Decoder and tools, winradio and DRM decoders, WD3000 Direction Finding System , radioraft software. PFSL3000 Integrated HF-VHF-UHF signal monitorin

PropNetPSK is a PSK (Phase Shift Keying) program capable of receiving multiple signals (2 - 16) at one time for the exclusive use to decode a properly formatted PropNetPSK beacon signal. If you are looking for a Keyboard to Keyboard type of program, this will not fit your bill.

ACARS decoder app for the iPad, iPhone, and iPad Touch

Intuitive circuit llc is a market leader in dtmf encoders and decoders, cash register surveillance, cash register security, and text inserter products. Amateur televisions ATV products

CAT decoded Band decoder, remote Antenna switch

Easy to build CW decoder based on DSP Goertzel code. If you want to build a cw decoder without using other active components than an atmel 328, Arduino UNO, then this is sure something for you.

This article describes how to build a general purpose DTMF decoder with a low-price chip from MITEL

GPSTime is a small freeware applet that corrects your PC clock using GPS. GPSTime reads the serial data coming out of your GPS receiver and decodes the $GPRMC messages to determine the precise UTC time. Works on Windows Vista/7/8/10 with PC with serial ports.

Automatic and decoder project by sm3wmv

W-CODE is a professional digital mode decoder system capable to decode many digital signals on HF, VHF/UHF, SHF and SATELLITE bands.

An automatic band decoder made into a nice enclosure with LED indicators for the chosen band

Bonito, butel wavecom and bogger products dealer. Accessories to decode encode and process radio communication transmissions for Radio Receivers, Transceivers and Scanners

An open design exercise in interface archaeology, that decodes the input from a classic Morse key to send twitter messages

CW Keyer Kit with capacitive touch paddle, with a lot of nice features. Easily expandable to a Morse code decoder

Fox Telemetry Decoder Software is a free telemetry software that run on Windows MacOSX and Linux. With Fox Telem will be able to track, store and analyze FOX series and Cubesat satellites

This project is an APRS iGate for digipeater aboard the ISS. As the ISS pass over the iGate location, the TNC decoded the audio tones and creates data packets the Raspberry Pi can receive.

A portable decoder for METEOR M weather satellite LRPT signal, available for windows and Linux

Morse Code Decoder for Android based on the algorithms implemented in CW Skimmer. Morse Expert decodes Morse Code audio to text. It is optimized for decoding weak, fading signals in the presence of interference, especially on the Amateur Radio bands. The input audio might come either from the built-in microphone or from another device, such as a radio receiver.

Decode DTMF from your iPhone. Hold your smartphone close to a DTMF source and this app will decode the numbers being dialled.

Next Generation Beacon hardware platform encompasses both analog and digital modes, i.e. CW FSK and MGM in a mixed mode configuration. The advantage of the mixed mode is that humans can decode the CW FSK by ear and the MGM can be decoded by computers way below what is audible. Therefore the MGM can be used for pre-human-conditions or early warning monitoring.