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On this page you can listen to and control a short-wave receiver located at the amateur radio club ETGD at the University of Twente. In contrast to other web-controlled receivers, this receiver can be tuned by multiple users simultaneously, thanks to the use of Software-Defined Radio. Provided by PI4THT

SysLabs RadioControl is a software platform for radio device control and application development. It operates on _Windows_ versions from Windows 95 and Windows NT 4.0 through _Windows 11_. The software is available in Lite, Standard, and Professional editions, each including Frontpanel for direct radio control, a Frequency Database for management, and a Memory File for channel operations. Features include frequency identification, memory scanning, and graphical spectrum views with bitmap export capability. The Professional Edition supports multi-device control and utilizes radio device-internal scanners, achieving scan rates of **40-60 steps per second** compared to the RadioControl-internal scanner's **10-20 steps per second**. Supported devices for internal scanning include AOR AR-5000, AR-8200, AR-8600, AR-ONE, R&S EB200, and various Icom receivers and transceivers. RadioControl supports older devices such as ICOM IC-R71, IC-R7000, IC-706, IC-735, YAESU FRG-8800, and FRG-9600, extending their control capabilities. The platform offers APIs for integration and supports import/export with formats from VisualRadio, SCANcontrol, shoc Radio Manager, WiNRADiO, AOR ACEPAC-3A, as well as generic Text, CSV, and HTML. DXZone Focus: Radio Control | Windows | Frequency Management | API

Demonstrates RadioComm, a freeware Icom transceiver/receiver controller program for Windows, which facilitates memory programming, spectrum analysis, and interfacing with extensive frequency databases. The software allows users to program their Icom radio's memory, generate radio-frequency spectra, and connect the radio to a computer-based frequency database. It supports various Icom models, offering bidirectional control where virtual controls mirror the transceiver's physical controls and vice versa. The program's spectrum analysis feature, exemplified by tuning the WWV time standard at 15 MHz, provides insights into the AM passband, a capability often found in high-end Icom transceivers. While RadioComm offers these functionalities, the author, Paul Lutus, notes that it has been superseded by JRX (a virtual radio) and IcomProgrammer II (a memory programming utility), which are described as superior and compatible with more platforms. RadioComm is available as a 516 KB self-extracting executable, requiring an Icom CT-17 RS-232 interface box for radios that need it. Users can also customize the plain-text database to include unsupported Icom models. However, the author explicitly states that no user support is provided for this free program.

CW Skimmer 2.1 employs a high-sensitivity CW decoding algorithm based on Bayesian statistics, enabling simultaneous decoding of up to 700 CW signals within a receiver's passband on a 3-GHz P4 system when paired with a wideband receiver. The software features a fast waterfall display with sufficient resolution for visual Morse Code interpretation, automatically extracting and labeling callsigns on the waterfall traces. Extracted callsigns are exported as DX cluster spots via an integrated Telnet cluster server. The application includes a DSP processor with a noise blanker, AGC, and a variable-bandwidth CW filter, alongside an I/Q Recorder and player. It supports both 3 kHz radio passbands and wideband SDR receivers like SoftRock, RF Space SDR-IQ/SDR-14, SRL QuickSilver (QS1R), HPSDR Mercury, and Microtelecom Perseus. System requirements specify Windows XP/7/8/10 (32-bit or 64-bit), a Pentium-4 2.5 GHz for wideband operation or 1 GHz for 3-kHz radios, a COM port for CAT control, and a stereo sound card supporting 48 kHz sampling. It integrates with Elecraft KX3, Icom IC-7300/IC-7610, and Flex 6000 series radios, with documentation available for various setup configurations.

Memory management programming software for the Yaesu VR-5000 receiver

PA3FWM's software defined radio (SDR) page documents his extensive hardware and software development efforts between 2004 and 2009. Initial experiments utilized a direct conversion receiver with 90-degree phase difference, feeding a PC soundcard at 48 kHz sample rate, covering 24 kHz of spectrum around a 7080.5 kHz local oscillator. This setup, similar to AC50G's QEX 2002 article, allowed for basic I/Q signal processing to distinguish signals above and below the LO frequency. Limitations included fixed crystal frequencies, 16-bit dynamic range, and narrow bandwidth. Subsequent hardware iterations aimed for enhanced performance, incorporating external 24-bit ADCs with 192 kHz sample rates, connected via 10 Mbit/s Ethernet. A **MC145170-based PLL** and programmable octave divider provided a 58 kHz to 30 MHz tuning range. The **Tayloe mixer** was employed, with differential outputs feeding a PCM1804 ADC. An ATmega32 microcontroller handled serial data conversion to Ethernet frames, though without CRC calculation due to processing constraints. Later designs integrated AD7760 2.5 Msamples/second ADCs and a Xilinx Spartan-3 FPGA, enabling direct reception of 0-1 MHz spectrum and eventually 2.5 MHz bandwidth across the shortwave spectrum. Software was refactored to use an initial 8192 non-windowed FFT for efficient high-bandwidth processing. The project culminated in a two-way QSO on 21 MHz using the developed hardware and software, demonstrating transmit capabilities with a D/A converter. The system exhibited a 2.5 MHz wide spectrum display and a zoomed 19 kHz display, capturing signals like ionospheric chirp sounders and RTTY contest activity. Challenges included noise leakage from digital circuitry and cooling for high-power dissipation components.

Commercial interactive radio control software tun under Windows Controls up to 16 Devices simultaneously with audio, in a client server mode, support for WAVECOM decoders and ROHDE & SCHWARZ receivers

A COM component for transceiver/receiver CAT control. Not a complete program, but rather a component tool that allow software developers to connect their program to a supported transceiver.

open source software designed to control and program the ICOM IC-R8500 receiver

Open source software designed to control and program the ICOM IC-R75 receiver

N4PY Software is your source for high quality, effective rig control software for your transceiver. N4PY offers rig control software for a wide variety of receivers from the Elecraft K3 to the Ten Tec RX 320 receiver and it is major equipment integrator supporting panadapters, winkeyer, Tmate2 or FlexControl

Open source software designed to control and program the Japan Radio Co. NRD-545 receiver.

This windows software includes an easy to read display with features designed to give you accurate and enhanced control of your ICOM IC-R20 Communication Receiver. Commercial 35 USD.

CATSync V1.30 integrates OpenWebRX support, expanding its capability to synchronize a local amateur radio transceiver's CAT control with a broader range of public WebSDR receivers. The software facilitates real-time frequency tracking, allowing the operator to adjust their physical rig's VFO and observe the connected WebSDR instantly follow the tuned frequency. This functionality is crucial for remote listening, signal comparison, and verifying propagation conditions across different geographic locations using a familiar hardware interface. The application supports both the classical WebSDR interface and KiwiSDR platforms, providing a consistent control experience across various online SDR deployments. It bridges the gap between local station operation and the vast network of globally distributed software-defined radios, offering a practical tool for DXers and contesters. CATSync is designed for Windows and Linux environments, with Android compatibility noted, making it accessible to a wide user base seeking to leverage WebSDR resources with their existing station setup.

tk8500 is open source software designed to control and program the ICOM IC-R8500 receiver.

Quisk is a Software Defined Radio (SDR) and is the software that controls my receiver and transmitter. Quisk can control the HiQSDR, Hermes-Lite hardware, SoftRock hardware, SDR-IQ by RfSpace