The measurements scenario with the RTL-SDR dongles, antennas and a PC.

Performance of GNSS-SDR for IRNSS L5 Signals Using a Low-Cost RF Front-End

RasPad 3.0 Review: Building a Portable Raspberry Pi 4 Tablet with Built in RTL-SDR

600MHz LTE filters/LPF-600 substitutes?

RTL-SDR Blog V3 R860 RTL2832U 1PPM TCXO HF Bias Tee SMA Software Defined Radio with Dipole Antenna Kit (Silver) : Electronics

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Using our new Dipole Antenna Kit

SDRSharp Users Guide

SMART MAKE HATC - Homemade Air Traffic Control With 4x RTL-SDR (50$) : 7 Steps - Instructables

RTL-SDR Tutorial: Measuring filter characteristics and antenna VSWR with an RTL-SDR and noise source

Airspy HF+ Discovery

Frequency Deviation Measurement with an RTL-SDR Dongle

RTL-SDR.com The SWLing Post

Block diagram of the RTL-SDR.