LakeShark: P25 Phase 1, FM, POCSAG, ADS-B and Sub-GHz with an RTL-SDR on the...
Thank you to Samuel Reynolds (aka SAMS0N1TE on GitHub), for writing in and sharing with us his project called 'LakeShark'. LakeShark is firmware for the LilyGO T-Display P4 (an ESP32-P4-based...
View ArticleGopherTrunk: A New Pure-Go Trunked Radio Scanner Supporting P25, DMR, TETRA,...
Thank you to Matt Cheramie, who wrote in to let us know about his new software called GopherTrunk, a new RTL-SDR compatible radio scanner that follows digital trunked-radio voice calls and decodes them...
View ArticleP25-Survey: A Tool for Scanning and Logging P25 Control Channels with an SDR
Over on GitHub, programmer blantonl has released p25-survey, a Python tool that scans a frequency range with an RTL-SDR, Airspy or HackRF and identifies any P25 control channels present. For each one...
View ArticleFrugal Radio: Beginners Guide to P25 Decoding with the Latest DSD Plus Release
Over on his YouTube channel 'Frugal Radio', Rob has uploaded a comprehensive video detailing how to set up the latest DSD Plus release for P25 Public Safety decoding. Back in December 2025, we posted...
View ArticlePocket 25: An Android P25 Phase 1 Digital Voice Radio Decoder
Thank you to reader "EN53" for submitting news about a newly released open source Android app called Pocket 25. Pocket 25 is an Android-based APCO Project 25 (P25) phase 1 digital voice decoder based...
View ArticleBuilding a P25 Police Scanner with an RTL-SDR Blog V3 and ZimaBoard 2
Over on YouTube, creator "MostlyBuilds" builds a networked digital police scanner using an RTL-SDR Blog V3 dongle and a compact x86 single-board computer called the ZimaBoard 2. The system receives...
View ArticleTechMinds: Testing the SDR++ Brown Fork with Built-In DSD and Remote KiwiSDR...
Over on YouTube, Matt from Tech Minds has uploaded a video in which he demonstrates and tests an unofficial fork of the popular SDR++ software called "SDR++ Brown." SDR++ Brown has some unique features...
View ArticleSignalsEverywhere: Build an RTL-SDR Based OP25 Radio Scanner with a Mobile...
Welcome back to Sarah from the SignalsEverywhere YouTube channel who has recently returned to producing videos from a hiatus. In her latest video, Sarah shows off her new OP25 Mobile Control Head...
View ArticleA Low Cost P25 Police Scanner with RTL-SDR, Raspberry Pi 5 and SDRTrunk
Thank you to Mike for writing in and sharing with us his video detailing how he makes use of a Raspberry Pi 5, touch LCD Screen and RTL-SDR to create a portable and low cost P25 police scanner. Mike...
View ArticleFrugal Radio: Experimenting with Rdio-Scanner and Trunk Recorder on P25 LSM
In his latest video Rob from the Frugal Radio YouTube channel has uploaded a video where he experiments with a SDR web interface and smartphone App called "Rdio-scanner". Rdio-scanner is an interface...
View ArticleTurbine: Capture and Stream all Frequencies in a Trunked Radio System with a...
Over on Reddit we've discovered an interesting program called 'Turbine' that has recently been open sourced by the author. This program connects to a wideband capable SDR such as a HackRF and captures...
View ArticleA SDR Digital Voice Hotspot with GNU Radio, MMDVM and QRadioLink
Thank you to Adrian (YO8RZZ) for writing in and sharing with us his article explaining how to use an SDR to set up a digital voice hotspot for digital voice modes supported by MMDVM such as D-Star,...
View ArticleGNU Radio Amateur Radio Meeting: A Look at Project 25 (P25) Digital Radio
Over on their YouTube channel GNU Radio have uploaded a recent talk by Aaron Rossetto titled "A Look at Project 25 (P25) Digital Radio". The talk explains the North American public safety P25 system in...
View ArticleSignalsEverywhere: Installing and Configuring OP25 Phase 1 & 2 Digital Voice...
In this weeks video Sarah from the SignalsEverywhere YouTube channel show us how to install and configure the OP25 software on a Linux machine. OP25 is a Linux based P25 digital voice decoder which...
View ArticleSignalsEverywhere: A Front End GUI Control Head for OP25
Sarah from the SignalsEverywhere YouTube channel is back and this time showing off a new program she has created called "Pi25" or "OP25 Mobile Control Head". The program is a Python GUI for OP25 which...
View ArticleFrugal Radio: SDR Guide Ep 9 – P25 LSM Trunking with one RTL-SDR V3 and DSDPlus
In his latest episode of his SDR Guide series Rob from Frugal Radio provides a walkthrough on using DSDPlus Fastlane to decode trunked P25 with just one RTL-SDR V3 dongle. In the video he explains each...
View ArticleDragonOS: OP25 “Boatbod” P25 Phase 1 Running on GNU Radio 3.8 with RTL-SDR
DragonOS is a ready to use Ubuntu Linux image that comes preinstalled with multiple SDR program. The creator of DragonOS, Aaron, uploads various YouTube tutorials. In his latest tutorial he shows how...
View ArticleFrugal Radio: SDR Guide Ep 8: Overcoming FM Broadcast Interference + Simple...
In this weeks episode of Frugal Radio's SDR Guide videos Rob shows how a FM bandstop filter can help in certain situations. A FM bandstop is designed to reduce the power level of FM broadcast stations...
View ArticleDSDPlusUI Now Available as a Plugin for SDR#
At the beginning of 2020 Annunaki (@StupotSinders) released his third party user interface for DSDPlus. DSDPlus is a digital speech decoder capable of decoding protocols such as P25 P1, DMR, NXDN and...
View ArticleSimple APCO P25 Phase 1 Decoder Plugin Released for SDR#
Vasili, author of several SDR# plugins has recently released a new APCO P25 plugin for SDR#. The plugin is easy to use, simply tune to a P25 voice signal, and it will automatically decode it into voice...
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