Software Defined GPS

As promised, I'd like to show you how the LimeSDR can be used as a GPS simulator to fake out a RTL-SDR device using a rocket trajectory...

I've been privileged to receive an early LimeSDR unit to perform some testing and demonstration! Today I'd like to show you the Lime...

If you are like me with a Windows computer using GNURadio in a VMware virtual machine, here's what you need to know to XMLRPC from a rem...

I got a little help on Reddit . Thanks to PE1NUT  for identify a way to visualize the crystal drift in the data and jddes for doing some s...

This post is long overdue as I've been quite busy with my day job that I've been remiss in updating the blog with the progress happ...

 GPS signals are very weak, coming in at about 120 dBm ... which is below the thermal noise floor of ~ 100 dBm! If you try plotting an FF...

I've been going through a number of GNURadio tutorials and the waveform generator (signal sources) and display sinks have worked just fi...

This one took a few evenings of head-scratching to finally resolve. I want to be able to record I/Q off an RTL-SDR stick and then post-pro...

Once you've installed gnss-sdr and tested your installation with prerecorded data , the next step is to try and get a live GPS solution...

Under the documentation section of gnss-sdr.org there is a post entitled " First positioning fix using Galileo " where they docume...

Here's instructions on how to set up gnss-sdr in Kali Linux virtual machine. Kali Linux is ... an open source project that is maint...