Ham radio news
Auto-updated from 23 RSS feeds across 14 categories. Last sync Jul 12, 2026.
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Adding HD Radio Support to FM DX Webservers with an RTL-SDR
Thank you to Ivan (NO2CW) for submitting news about how he added HD Radio decoding capability to his FM DX Webserver receiver. The FM DX Webserver is a community of worldwide FM broadcast-band online receivers that mostly use SDRs based on the TEF6686 chip, with a few also using RTL-SDR receivers. HD Radio (aka nrsc5) […]
Demod: An iOS/iPadOS Client for rtl_tcp, SpyServer and KiwiSDR
Thank you to Alphonse Romero for submitting news about the release of his new iOS and iPadOS SDR receiver app called Demod. Demod is a network client that connects to remote SDR servers, so it can be tried out immediately with no dongle needed at all. The app works as a client for rtl_tcp, SpyServer […]
NyxScope: A Windows Multi-Protocol SDR Decoder Program with Multiple Digital Native Decoders
WARNING: Multiple people have noted that this program is not working as expected and may be overly buggy. Recently, we've learned about NyxScope, a multi-protocol SDR receiver program for Windows that comes with multiple native decoders built right into the software. Their own description describes this all-in-one program best: You get spectrum and waterfall, multiple […]
Testing WSPR HF Propagation with a Raspberry Pi 3B+ and TAPR Shield Running WsprryPi
Thank you to Simone Spadino (SWL ID I8926BA), who wrote in to share his low-cost WSPR setup. WSPR (Weak Signal Propagation Reporter) is an amateur radio mode designed to test propagation paths using very low-power transmissions, with receiving stations reporting spots in real time to the WSPRnet map. Simone's setup consists of a Raspberry Pi […]
InmarScope: An Inmarsat AERO and STD-C Decoder with Multichannel Decoding and Automatic Call Following
Over on the SignalsEverywhere YouTube channel, Sarah Rose has released InmarScope, a multichannel L-band Inmarsat decoder that connects directly to an RTL-SDR, Airspy, or HackRF. The software can receive and decode both aeronautical (AERO) and maritime (STC-C / EGC) traffic at the same time. Decoders are dropped directly onto the aligned FFT and waterfall by […]
QuadRF Now Crowdfunding on Crowd Supply for $499
Back in June and January, we posted about QuadRF and ScaleRF (previously known as open.space) and their mission to unlock affordable open-source Earth-Moon-Earth (EME) bounce communications for the amateur radio public. Their core product, QuadRF, is a 4-element coherent antenna tile with built-in SDR and processing on a Raspberry Pi 5. Apart from being able […]
OpenStint: An Open-Source RC Car Lap Timing System Using an RTL-SDR or HackRF
Thank you to Attila for submitting news about OpenStint, an open-source lap timing system for radio-controlled (RC) car racing that uses an RTL-SDR or HackRF One as its receiver. In RC racing, each car carries a small active near-field transponder that transmits a unique identifier on 5 MHz using BPSK modulation. A wire loop embedded […]
Airspy 2026 Summer Sale: 20% Off All Airspy Products
Airspy has just announced its annual summer sale, offering 20% off all Airspy products from June 27 to July 4, 2026. Airspy R2: US$169.00 US$135.20 Airspy Mini: US$99.00 US$79.20 Airspy HF+ Discovery: US$169.00 US$135.20 Airspy SpyVerter R2: US$49.00 US$39.20 YouLoop Antenna: US$39.95 US$31.96 The sale is active at all participating resellers, which includes our own store, where we have the YouLoop on sale for US$31.96, including free shipping to […]
SwR Shortwave Radio: A New Android App for Listening to Public Online Shortwave Receivers
Thank you to RTL-SDR.COM reader Ladislav for submitting information about the release of a new Android app by Alexsxxx called "SwR - Shortwave Radio". This is an Android-only app that lets users easily listen to KiwiSDR and Web-888 receivers. The app appears to be free, with no in-app purchases. SwR is a client for the […]
Rigflow: A Networked HF SDR Transceiver App in Rust with Real-Time DSP Over UDP
Thank you to David Bourgoyne (KK7TCY) for submitting news about his new software called Rigflow, an open source client/server SDR application for amateur radio written in Rust and released under the MIT license. The core idea behind Regflow is to split the radio from the operating position over the network. A lightweight server owns the […]
VibeSDR: A Mobile-First iOS and Android Receiver App for Remote SDR Servers and RTL-SDRs
Thank you to Stuart Carr (Stuey3D) for submitting news about his new software release, VibeSDR, a free and open-source mobile SDR client he has developed for iOS and Android. VibeSDR is designed to be touch-first rather than a desktop interface shrunk down to phone size. It is a fully native client for UberSDR, OpenWebRX/OpenWebRX+, and […]
A New SDR# Panadapter Plugin
Thank you to Marco Argilli (IU4HMY) for writing in and sharing with us the release of a new SDR# Panadapter plugin that turns the popular RTL-SDR- and Airspy-compatible program SDR# into a panadapter for your transceiver. A panadapter gives you a live spectrum and waterfall view of the band around your radio's tuned frequency, which makes it […]
Meshyface: A Browser Based Chat and Network Dashboard for Meshtastic
Over on GitHub, developer Jaron McDonald has released Meshyface, a chat-first web dashboard for monitoring and interacting with Meshtastic mesh networks from your browser. Meshtastic is an open source, off-grid mesh networking project that uses low-cost LoRa radios to send text messages, GPS positions, and telemetry over long distances without any cellular or internet infrastructure. […]
Cascade-SDR: A Web-Based Multimode Receiver App for RTL-SDR Dongles
Over on GitHub, developer Jens Engfors has released Cascade-SDR, a free and open source web-based receiver app designed specifically for RTL-SDR dongles. Cascade-SDR uses a Python backend that owns the dongle and handles all the DSP, paired with a browser frontend for the UI, waterfall, audio, and maps. The two communicate over a WebSocket, which […]
Saveitforparts: Testing a Prototype of the NanoFarfield Portable Antenna Measurement System
Back in March, we posted about the upcoming crowdfunding campaign for the NanoFarfield antenna far-field measurement system. NanoFarfield is a kit comprising a NanoVNA, custom measurement software, two tripods, a transmit antenna, and an Azimuth-rotating platform for the receive antenna. The idea is to enable low-cost antenna radiation pattern measurements by leveraging the low multipath […]
V2X2MAP: Visualize European 5.9 GHz V2X Vehicle and Traffic Signal Messages with an Android App and ESP32
Thank you to Peter for writing in and sharing news about his Android app called V2X2MAP, which makes Vehicle-to-Everything (V2X) radio traffic visible on a live map via an attached ESP32 board. The app is not free but costs only a small US$2.49 fee. V2X is a cooperative wireless system in which vehicles and roadside […]