Episode 003: Noise in the Signal

Dawn breaks over a rusted water tower on the outskirts of Sector 7. Marco “Crash” Reyes scales the lattice with a directional antenna strapped to his back, chasing a signal that disappeared three days ago. The mesh network that kept the settlement connected has gone dark — not from hardware failure, but from something deliberate.

“Someone’s injecting noise,” Crash mutters into his handheld, adjusting the feed horn. “This isn’t interference. It’s a pattern.”

Tech Concepts in This Episode

• Signal-to-Noise Ratio (SNR) — The fundamental measure of signal quality. When noise overwhelms signal, communication dies.
• Directional Antennas — Yagi and panel antennas that focus RF energy in one direction, cutting through interference.
• Spectrum Analysis — Using SDR (Software Defined Radio) to visualize the RF spectrum and identify jamming patterns.
• Frequency Hopping — A technique where transmissions rapidly switch frequencies to avoid interference and jamming.

New Characters

• Marco “Crash” Reyes — Former amateur radio operator turned mesh network engineer. Got his callsign from crashing three drones in one week while mapping signal paths.

Next Episode

Episode 004: Dead Reckoning — When GPS goes dark, the old navigation methods become new again.

Catch up on the series:
Episode 001: First Contact
Episode 002: Offline