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# sdr

blog:
- 2026-08-12
  
  Standing in line for 5N4CK3Y: My AND!XOR DC34 Badge CTF Writeup
  
  Reversing the AND!XOR DEF CON 34 badge, from a hand-written Z-machine decompiler to RDS RadioText and xorshift keystreams. 29 solves, 1302 points, and six that got away.
talks:
- 2022-09-23
  
  Free Hardware From the Sky? An Introduction to Tracking Weather Balloons
  
  Twice a day, radiosondes fall out of the sky around the world. Here's how to track them, find them, and repurpose their hardware.
- 2021-09-24
  
  RF Remote Cloning with URH
  
  Receiving, decoding, and replaying RF remotes with a HackRF and Universal Radio Hacker.

2026 | Jordan Bush

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