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Investigator515

@investigator515.bsky.social

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Investigator515 @investigator515.bsky.social · Nov 27

1/ 👋 Hey Bluesky and Welcome! I'm Investigator515. I explore and write about the world of #technology, warfare, and, on occasion, #Web3.

Here's a short 🧵 on what everything is all about:

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Investigator515 @investigator515.bsky.social · 8h

Article 2 of the CubeSat Simulator has just been published.

Big thanks to PCBWay for helping to bring the project to life.

You can still read for free thanks to the Friend of Medium account!

Space In A Box: The Battery Board

It’s time to assemble our CubeSat’s power management system

radiohackers.com

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Investigator515 @investigator515.bsky.social · 3d

With a low-powered transmitter, every milliwatt counts. However, using the correct antenna can also give a significant boost in range.

Let Simon walk you through the basics.

Python Radio : Antennas

How to get more range

radiohackers.com

Reposted by Investigator515

Bellingcat @bellingcat.com · 4d

What role does fashion play in far-right movements?
Bellingcat researchers joined our Stage Talk series this week to explore how far-right movements utilise style and symbols to convey their message.
Listen back by searching "Stage Talks with Bellingcat" rss.com/podcasts/bel...

"Identifying Far-Right Fashion" with Bellingcat Researchers | Podcast Episode on RSS.com

This week, we were discussing what role fashion plays for far-right movements. We spoke to Bellingcat's resident experts on the subject. Michael Colborne has been investigating far-right networks for ...

rss.com

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Investigator515 @investigator515.bsky.social · 4d

This Python Radio from the archives looks at reverse engineering an ISM band wireless remote using Python & the RTL-SDR.

Python Radio 42: Buttons!

Reverse Engineering a Remote Control

radiohackers.com

Investigator515 @investigator515.bsky.social · 5d

Don’t let people convince you that cyber just means responding to alerts in SOC.

There’s a whole world of protocols, systems and technology to explore and the best fun comes from playing with radios.

Read about it 👇

SCADA over Radio: Vulnerabilities in RF Links

SCADA provides convenience at the expense of overall security.

investigator515.substack.com

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Investigator515 @investigator515.bsky.social · 5d

Day 4 of Python Radio takes a look at Radar using an ultra-cheap microwave board.

Python Radio 41: Radar!

Exploring microwave signals above 3 GHz.

radiohackers.com

Investigator515 @investigator515.bsky.social · 6d

We're about to announce a collab with Open-Source SDR Lab so readers can get discounts on new hardware purchases.

Use the code "radiohackers" at checkout to get an additional 5% off your flipper when you're ready to buy!

opensourcesdrlab.com/products/ope...

OpenSourceSDRLab Flipper Zero Multi Functional Programming Tool

Flipper Zero is a portable multi-tool for pentesters and geeks in a toy-like body. It loves hacking digital stuff, such as radio protocols, access control systems, hardware, and more.

opensourcesdrlab.com

Investigator515 @investigator515.bsky.social · 6d

Day 3 of the Week of Python sees us looking at some Software Defined Radio fundamentals.

Python Radio 13: Software Defined Radio

Python listens to the radio.

medium.com

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Investigator515 @investigator515.bsky.social · 7d

On day 2 of our Week of Python Radio, you can use the ESP32 to send low-power WSPR signals over long distances.

Python Radio 37: Whisper to the Whole World

WSPR mode in MicroPython on an ESP32

radiohackers.com

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Investigator515 @investigator515.bsky.social · 8d

Welcome aboard to our newest Radio Hackers writer!

In this article, Michael looks at why modern pen testers shouldn’t be snoozing on the RF spectrum & what you can gain by enumerating emitting devices.

Why Pentesters Can’t Ignore the Radio Spectrum in 2025

A call to arms (and antennas) for cybersecurity pros — with examples from real-world RF vulnerabilities.

radiohackers.com

Investigator515 @investigator515.bsky.social · 8d

It's a week of Python Radio!

Take a look back in the archives at some of the best Python Radio tutorials that have been posted over the last year.

No account needed, thanks to the super cool, friend of Medium program.

Python Radio 20: The CC1101 Module

Half a megabit per second over a kilometer.

radiohackers.com

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Investigator515 @investigator515.bsky.social · 12d

In the latest Python Radio, Simon looks at how to measure and influence Q-factor and discusses why we might aim for optimal Q when constructing a project.

Shared via friend link so you can read for free!

Python Radio 57: The Q-factor

Measuring Your Equipment

medium.com

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Investigator515 @investigator515.bsky.social · 24d

Smart Beehives?!

That's a big yes, please.

Bees Care for IoT and So Should We

A conversation with Yann Douze, Professor at Sorbonne Université

radiohackers.com

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Investigator515 @investigator515.bsky.social · 24d

A big welcome aboard to Arfa, the latest writer to join the growing group of Radio Hackers contributors.

She's a Python dev, with plenty of interesting things to write about, including this banger that just went live 👇👏

The Psychology of Hackers: Why Your Brain Is Their Favorite Weapon

Social engineering explained and how to defend against attacks that don’t involve code.

radiohackers.com

Investigator515 @investigator515.bsky.social · 25d

Did you know the US Military and NATO forces maintained a series of hydrophones on the floor of the seabed to listen for, and help hunt, Soviet submarines?

Go read about it! It’s out now on Medium & Substack.

SOSUS: The SOund SUrveillance System

SOSUS would help the the US a technical edge during the Cold War.

investigator515.substack.com

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Investigator515 @investigator515.bsky.social · Sep 28

Interested in tracking the global ALPR camera network?

You might find deflock to have some interesting data to review.

deflock.me

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Investigator515 @investigator515.bsky.social · Sep 25

Here's an interesting drone over Wales.

Call: ARIES035
Reg: WK035

It's a Thales Watchkeeper

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Investigator515 @investigator515.bsky.social · Sep 25

NATO E-3TF Sentry on station.

Call: NATO10
Reg: LX-N90448

Investigator515 @investigator515.bsky.social · Sep 25

Anyone attending?

Investigator515 @investigator515.bsky.social · Sep 25

Apparently, his name is Tom

RAAF
A330-200MRTT
A39-001
THUM

Reposted by Investigator515

Lesley Carhart @hacks4pancakes.com · Sep 23

I'm doing an AMA on cybersecurity careers and OT DFIR, etc for the next hour on Reddit, www.reddit.com/r/SecurityCare...

Share, #cybersecurityCareers

Reddit - The heart of the internet

www.reddit.com

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Investigator515 @investigator515.bsky.social · Sep 22

Crystal radios are where it all started.

Simon shows how to build your own using some custom components in Python Radio 56: Crystal Radio

Python Radio 56: Crystal Radio

A Tool to Help Build Power-Free Receivers

radiohackers.com

Investigator515 @investigator515.bsky.social · Sep 19

It's @Medium day in less than 30 minutes.

There are some great presenters this year, so it should be a good one.

See you in there!

Investigator515 @investigator515.bsky.social · Sep 15

Excited to be teaming up with @PCBWayOfficial to build the CubeSat Simulator. This four-part series aims to teach beginners fundamental skills around RF & building.

Article One is out now on Substack.

Space In A Box: Building A Model 1U Cubesat From Scratch

The cube sat architecture offers a new playing field for educational projects.

investigator515.substack.com

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Investigator515 @investigator515.bsky.social · Sep 15

This is Sparta, apparently.