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Zuo is a tiny Racket with primitives for dealing with files and running processes. It comes with a make-like embedded DSL, which is used to build Racket itself.
Zuo is a Racket variant in the sense that program files start with #lang, and the module path after #lang determines the parsing and expansion of the file content. That's how the make-like DSL is defined, and even the base Zuo language is defined by layers of #langs. One of the early layers implements macros.
The Racket BC (``before Chez'' or ``bytecode'') implementation was the default before Racket 8.0. It uses a compiler written in C targeting architecture-independent bytecode, plus a JIT compiler on most platforms. Racket BC has a different C API than the current default runtime system, Racket CS (based on ``Chez Scheme'').
This package is the normal implementation of Racket BC with a precise garbage collector, 3M (``Moving Memory Manager'').
The Racket CS implementation, which uses ``Chez Scheme'' as its core compiler and runtime system, has been the default Racket VM implementation since Racket 8.0. It performs better than the Racket BC implementation for most programs. On systems for which Racket CS cannot generate machine code, this package uses a variant of its ``portable bytecode'' backend specialized for word size and endianness.
Using the Racket VM packages directly is not recommended: instead, install the racket-minimal or racket packages.
Racket is a general-purpose programming language in the Scheme family, with a large set of libraries and a compiler based on Chez Scheme. Racket is also a platform for language-oriented programming, from small domain-specific languages to complete language implementations.
The ``minimal Racket'' distribution includes just enough of Racket for you to use raco pkg to install more. Bundled packages, such as the DrRacket IDE, are not included.
Racket is a general-purpose programming language in the Scheme family, with a large set of libraries and a compiler based on Chez Scheme. Racket is also a platform for language-oriented programming, from small domain-specific languages to complete language implementations.
The main Racket distribution comes with many bundled packages, including the DrRacket IDE, libraries for GUI and web programming, and implementations of languages such as Typed Racket, R5RS and R6RS Scheme, Algol 60, and Datalog.
This variant of the Racket BC (``before Chez'' or ``bytecode'') implementation is not recommended for general use. It uses CGC (a ``Conservative Garbage Collector''), which was succeeded as default in PLT Scheme version 370 (which translates to 3.7 in the current versioning scheme) by the 3M variant, which in turn was succeeded in version 8.0 by the Racket CS implementation.
Racket CGC is primarily used for bootstrapping Racket BC [3M]. It may also be used for embedding applications without the annotations needed in C code to use the 3M garbage collector.
SoapySDR is a library designed to support several kinds of software defined radio hardware devices with a common API.
This is a GNU Radio block to correct IQ imbalance in quadrature receivers. It's composed of two main block:
Fix: Given a phase and amplitude error, it will correct a complex signal.
Optimize: Attempts to auto-detect the phase and amplitude error to feed to the fix block above.
This package includes the libcsdr library of DSP functions for SDRs, and the csdr command line program that can be used to build simple signal processing flow graphs.
Fldigi is a software modem for amateur radio use. It is a sound card based program that is used for both transmitting and receiving data by connecting the microphone and headphone connections of a computer to some radio hardware.
The Ham Radio Control Library (Hamlib) is a project to provide programs with a consistent Application Programming Interface (API) for controlling the myriad of radios and rotators available to amateur radio and communications users.
Minimodem is a command-line program which decodes (or generates) audio modem tones at any specified baud rate, using various framing protocols. It acts a general-purpose software FSK modem, and includes support for various standard FSK protocols such as Bell103, Bell202, RTTY, TTY/TDD, NOAA SAME, and Caller-ID.
NanoVNA-Saver is a tool for reading, displaying and saving data from the NanoVNA vector network analyzers.
Chirp is a cross-radio programming tool. It supports a growing list of radios across several manufacturers and allows transferring of memory contents between them.
This package provides RTL-SDR devices support to the SoapySDR library.
wfview is a program to control modern Icom radios and view the spectrum waterfall. It supports at least the following models:
IC-705
IC-905
IC-7300
IC-7610
IC-7850
IC-7851
IC-9700
This package provides a set of functions that implement several popular forward error correction (FEC) algorithms and several low-level routines useful in modems implemented with digital signal processing (DSP).
gr-satellites is a GNU Radio out-of-tree module encompassing a collection of telemetry decoders that supports many different Amateur satellites.
This library provides convolutional and Reed-Solomon codes for forward error correction. It also includes a compatibility layer so that it can be used as a drop-in substitute for libfec.
This is a simple library used for userspace, which manages multi-chip sync (on platforms (FMCOMMS5) where multiple AD9361 devices are use) and can create AD9361 specific FIR filters on the fly.
The Ham Radio Control Library (Hamlib) is a project to provide programs with a consistent Application Programming Interface (API) for controlling the myriad of radios and rotators available to amateur radio and communications users.
This package provides a library and a program to decode several digital voice formats.
This package provides Airspy HF+ devices support to the SoapySDR library.
Lime Suite NG is a collection of software supporting several hardware platforms based on the LMS7002M transceiver under the LimeSDR name. It provides a C++ API, command-line tools, a GUI, and plugins for multiple SDR tools.