If you’ve ever wanted to explore the radio spectrum from anywhere in the world, OpenWebRX+ offers a modern and accessible way to do just that — right from your web browser.

Built on top of the original OpenWebRX project, OpenWebRX+ is a community-driven fork that adds powerful features and support for a broader range of use cases, including amateur radio, shortwave listening, digital mode decoding, and even aviation or maritime monitoring.

What is OpenWebRX+?

OpenWebRX+ is a web-based software-defined radio (SDR) receiver platform. It lets multiple users access and listen to live SDR streams through a simple, responsive web interface. No complicated setup is needed for the listener — just open your browser and tune in.

Whether you’re a licensed ham radio operator, a shortwave enthusiast, or just curious about what’s on the airwaves, OpenWebRX+ makes radio accessible and enjoyable.

Key Features

• Multi-user support with efficient bandwidth sharing
• Real-time waterfall display with fast refresh and zoom
• AM, FM, SSB, CW, and digital modes (e.g., FT8, DMR, D-STAR, POCSAG)
• TETRA decoder
• Automatic decoder modules for popular digital signals
• Web-based configuration interface
• Mobile-friendly design

Thanks to its modular architecture, OpenWebRX+ continues to grow and integrate new features that help hobbyists, educators, and researchers monitor and explore radio signals more effectively.

Great for:

• Amateur radio operators who want to set up a remote receiver
• Radio clubs looking to make their SDR available to the public
• Developers and researchers working with digital radio protocols
• Listeners who enjoy discovering international broadcasts or local emergency services (where legal)

Easy to Set Up

You can run OpenWebRX+ on various hardware, including:

• Raspberry Pi (for light to moderate use)
• Intel/AMD Linux servers
• SDRs like RTL-SDR, Airspy, HackRF, LimeSDR, and others

The project is open-source and available on GitHub at:
https://github.com/luarvique/openwebrx

Full installation instructions, support, and community discussions are actively maintained.

Join the Global Listening Network

There’s something magical about tuning into signals from halfway across the world. Whether you’re decoding digital messages, monitoring weather balloons, or just enjoying the hiss of static, OpenWebRX+ connects you to the heartbeat of the RF spectrum.

It’s time to put your SDR to good use.

The post Explore the Radio Spectrum with OpenWebRX+ appeared on Hamradio.my - Amateur Radio, Tech Insights and Product Reviews by 9M2PJU.

Compact Design, Powerful Capabilities

The SignalSDR Pro is roughly the size of a credit card or a Raspberry Pi, making it an incredibly portable tool without compromising on performance. Despite its small form factor, it integrates seamlessly with a range of SDR workflows and applications, making it a versatile choice for various industries.

Why Choose SignalSDR Pro?

Seamless Compatibility

One of the key advantages of the SignalSDR Pro is its compatibility with widely used SDR hardware like ADALM-PLUTO, USRP B210, and more. This ensures that users can integrate it effortlessly into existing setups without requiring major modifications.

Extensive Software Support

From advanced signal processing to real-time spectrum analysis, the SignalSDR Pro supports a broad range of SDR platforms, including:

• GNU Radio
• MATLAB & LabView
• DragonOS & LTE Sniffer
• Open5GS & srsRAN
• OpenBTS & GPS-Sim-SDR
• GQRX, SDR#, URH, and more

With such extensive support, users can leverage their preferred software tools to develop and test wireless communication technologies efficiently.

Versatile Applications

The SignalSDR Pro is designed to tackle a wide range of use cases, making it an ideal choice for:

• Wireless communication research
• 5G, LTE, and GSM network analysis
• GPS signal simulation
• Spectrum monitoring and analysis
• Custom radio applications

It also offers the flexibility to emulate popular SDR devices such as USRP B210 and PlutoSDR, making it a cost-effective alternative to these platforms.

Technical Specifications

• Transceiver Chipset: AD9361
• Frequency Range: 70 MHz – 6 GHz
• Interfaces: Gigabit Ethernet, USB 3.0 (Type B), USB OTG, USB Type-C
• External Clock Reference: Yes
• Resolution: 12-bit
• RF Bandwidth: 56 MHz
• Sample Rate: 61.44 MSPS
• GPSDO: Yes
• Transmit Channels: 2
• Receive Channels: 2
• Duplexing Mode: Full
• Logic Gates: 85k
• GPIO: Full 40 Pins

A Future-Proof SDR Solution

Signalens continues to refine the SignalSDR Pro, ensuring ongoing improvements and expanding its capabilities. Future updates will introduce additional features, including support for:

• MMDVM (Multi-Mode Digital Voice Modem)
• NTP Server Applications
• Enhanced UHD Compatibility

Final Thoughts

For those seeking a compact, high-performance, and feature-rich SDR solution, the SignalSDR Pro stands out as an excellent choice. Its impressive compatibility, broad software support, and powerful capabilities make it an ideal tool for professionals and enthusiasts alike.

Explore the possibilities and take your SDR projects to the next level with SignalSDR Pro.

Visit:

1. https://signalens.com/
2. https://www.crowdsupply.com/signalens/signalsdr-pro

The post SignalSDR Pro: The Compact, High-Performance SDR Solution appeared on Hamradio.my - Amateur Radio, Tech Insights and Product Reviews by 9M2PJU.

The rise of drones has brought both opportunities and challenges, particularly in security and surveillance. With an increasing number of unauthorized drones flying in restricted areas, detecting and tracking them has become essential. Fortunately, with affordable Software Defined Radios (SDRs), enthusiasts and security professionals alike can monitor drone signals and even detect jamming activities.

Tracking Drones with SDR

In the YouTube video “Using Cheap Software Defined Radios to Track Drones and Jammers”, the presenter demonstrates how inexpensive SDRs can be utilized to track drones. Most consumer drones communicate using radio signals, commonly within the 2.4 GHz and 5.8 GHz bands. SDRs, such as the RTL-SDR or HackRF, allow users to capture these signals and analyze their patterns.

By decoding the signals, users can determine the presence of a drone, estimate its distance, and even identify the manufacturer based on the transmission characteristics. The video walks through the tools and software needed to achieve this, including GNU Radio, SDR# (SDR Sharp), and other signal processing utilities.

Detecting Jammers

Jamming devices, which are often used to disrupt communication between drones and their operators, pose significant risks. While drone jammers are illegal in many regions, they are still used in unauthorized ways. The video explains how SDRs can help detect and locate jamming signals by analyzing unusual spikes in the radio spectrum.

By monitoring the frequency bands where drones operate, an SDR user can identify signal interference patterns that indicate active jamming. The ability to detect jammers is crucial for both drone operators and security personnel to ensure safe and legal drone operations.

What You Need to Get Started

To replicate the experiments shown in the video, you’ll need:

• An SDR device (such as RTL-SDR, HackRF, or Airspy)
• A suitable antenna for capturing drone signals
• SDR software like SDR#, GNU Radio, Kiwi SDR or GQRX
• Additional signal analysis tools for decoding drone transmissions

With these tools, you can start tracking drone activity in your area and even contribute to security efforts by identifying unauthorized flights or potential jamming threats.

Final Thoughts

The video highlights the growing importance of radio frequency monitoring in the world of drones and security. With SDRs becoming more accessible and affordable, anyone can explore the fascinating world of wireless signal analysis. Whether you are a hobbyist, a drone pilot, or a security professional, SDR technology provides a powerful way to track drones and detect jamming activities.

Check out the full video for a detailed walkthrough and start experimenting with SDR for drone detection today!

The post Using Cheap Software Defined Radios to Track Drones and Jammers appeared on Hamradio.my - Amateur Radio, Tech Insights and Product Reviews by 9M2PJU.