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software-defined radio and signal processing SDRangel: GPL: Windows, macOS, Linux: software-defined radio SDR# Freeware Windows software-defined radio receiver SDR++: GPL: Windows, macOS, Linux, Android: software-defined radio receiver WSJT: GPL: Windows, Unix, Unix-like: weak signal communication, modem for FT-8, FT-4, JT-65, and WSPR WSJT-Z ...
APRS FireNet is an Internet-based system using the APRS protocol and much of the same client software to provide fire fighting, earthquake, and weather information in much higher volume and detail than the traditional APRS system is capable of carrying. PropNET uses the APRS protocol over AX.25 and PSK31 to study
The software code is now open source and is developed by a small team. The program is designed for sending and receiving low-power transmissions to test propagation paths on the MF and HF bands. WSPR implements a protocol designed for probing potential propagation paths with low-power transmissions.
2/1 Using HDSDR software Relies on a computing asset with sound device to process I and Q input and output Yes, HDSDR, PowerSDR Yes, Quisk, Linrad, GNU Radio Yes, various software Hunter SDR [61] Kit 2.5 – 30 MHz (1 – 30 MHz typ.) ext External ADC required (I/Q output) ? USB Yes No No Icom IC-7610 [62] Pre-built RX: 0.030 - 60 MHz.
KISS (Keep It Simple, Stupid [1]) is a protocol for communicating with a serial terminal node controller (TNC) device used for amateur radio.This allows the TNC to combine more features into a single device and standardizes communications.
Software license Cost Allegro Network Multimeter Allegro Packets July 20, 2023 / v4.0.4 web GUI Proprietary: Non-free, price on request, depending on device and extensions Cain and Abel: Massimiliano Montoro April 7, 2014 / 4.9.56 GUI Freeware: Free Capsa: Colasoft: April 24, 2018 / 11.1 [1] GUI Proprietary: $0–$995, depending on version [2 ...
Modern software TNCs, using digital signal processing (DSP) techniques, can successfully decode poor quality signals that the older equipment can't. [ 7 ] Some handheld and mobile VHF radios currently on the market incorporate TNC abilities within the radio itself in support of the APRS protocol.
Despite all these advantages, few implementations have been updated to include these improvements published more than 20 years ago. The only known complete implementation of v2.2, at this time (2020), is the Dire Wolf software TNC. [3] AX.25 is commonly used as the data link layer for network layer such as IPv4, with TCP used on top of that.