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John Petrich, W7FU
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GNU Radio
Overview of GNU Radio Digital Signal Processing Software
From Block Diagram to DSP Software with GNU Radio
Installation and Maintenance of GNU Radio
GNU Radio: How To Video (18 minutes)
DSP Workstation
DSP and GNU Radio Bibliography
Topic Specific DSP Tutorials: Ongoing Series
DSP Projects
Important .grc File Download Information
What To Do If Flow Graphs Will Not Load
Simple Audio Oscillator Project
Advanced Audio Oscillator Project with Multi-Rate Sampling and FFT Display
SDR Receiver DSP Project
DSP for an Elemental SDR Receiver
DSP for an Elemental SDR Transmitter
Quadrature Multiplier – demonstration
Test and Measurement Utilities using GNU Radio
SDR Projects
Advanced SDR Hardware – described
RTL-SDR FM Broadcast Receiver
Correcting the RTL-SDR USB Connection Problem
Signal Generator and Weak Signal Source for Microwave Projects
Frequency Selective Microwave Power Measurement – a Power Indicator
Universal Multi-Mode Transceiver DSP
Universal Microwave SSB/CW IF SDR Transceiver
10 GHz Transceivers using the Dual Transceiver SDR
VHF/UHF FM Simplex Multi-band Transceiver
VHF/UHF Single Band FM Simplex IF Transceiver
VHF/UHF Single Band Multi-mode IF Transceiver
Triband VHF FM ‘Handheld’ Transceiver
SDR Station: HF to 24 GHz
47 GHZ and 79 GHz SDR Based Stations
47 GHz Transverter and Beacon Transmitter – Home Brew Project
GPIO Control for SDR TX / RX Peripherals
CW Operation with GNU Radio
RF Interface for HF
RF Interface for VHF and Microwaves
VHF / UHF Power Amplifier Modules
Presentations and Publications
GNU Radio and I & Q Explained: ARRL Digital Communications Conference September 2014
GNU Radio Part 1 and Part 2: ARRL QEX Magazine July, September 2014
UHF SDR Transceiver: MicroHAMS Digital Conference March 2016
Digital Signal Processing: ARRL NW Division Convention, June 2016
UHF SDR Transceiverand Ham Radio System: ARRL NW Division Convention, June 2016
UHF – VHF – Microwave SDR Transceiver, ARRL Division Convention, June 2017
Advanced SDR Ham Radios for Microwave: Microwave Update, October 2017
Microwave SDR: Software and Hardware, Microwave Update, October 2018
9-band VHF/Microwave SDR Station: DUBUS Vol. 47, 4/2018
Make The Flow Graph Work For You – Talk: Ham Radio online video seminar, January 16, 2021
Useful DSP Techniques
Terms and Abbreviations
About W7FU
Advanced SDR Ham Radios for Microwave: Microwave Update, October 2017
Power Point Presentation:
Advanced SDR MUD 2017
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