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20 Apr 2026 3 minute read 0 comments Investigator515
Get your own Nano-VNA thanks to Open Source SDR Lab. Modern cybersecurity and pentesting have a literal arsenal of cool tools that are used for learning, real-world pentesting and information gathering. This is even more true when we conside...
9 Feb 2026 6 minute read 0 comments Investigator515
The Portapack H2 is a great way to enter the world of radio. Cheap hardware is (mostly) amazing. The TinySA gives us access to spectrum monitoring for less than $200 delivered, and the Nano-VNA gives us capable test equipment that's ridiculously chea...
8 Dec 2025 5 minute read 0 comments Investigator515
We strive to provide informative articles, however, it is important for users to ensure their research is both ethical and responsible. Additionally, it is your responsibility to ensure you are compliant with all applicable laws and regulations for y...
21 Jul 2025 4 minute read 2 comments Investigator515
The right antenna will determine the success (or failure) of your satellite receiving station. In this previous article, we took a look at some of the steps we’d need to cover to set up and configure a satellite receiving station that fed data to the...
8 Jan 2024 8 minute read 2 comments Investigator515
Antenna Selection is vital when experimenting with SDR and SIGINT In this article, we spoke about the introduction to software defined radio and radio hacking. Today we’ll be looking at antenna theory to compliment that and explore why it’s so impo...
9 Dec 2023 6 minute read 0 comments Investigator515
RTL-SDR hardware can be used to monitor the Hydrogen line. As we explore the radio spectrum, we’ve typically focused on man made signals that are usually easy to detect. However given the propagation qualities of VHF & UHF signals, we typically find...
