Case Study

ismycityencrypted.com

Binary Rogue built a nationwide police radio encryption tracker for RadioReference.com — the world’s largest radio communications database.

26,900+
Agencies Tracked
30,500+
Cities Covered
1.18M
Channels Indexed
2.9ms
Median CPU Time

The Problem

Across the United States, police departments are increasingly encrypting their radio communications — cutting off public access to emergency broadcasts that journalists, researchers, and citizens have monitored for decades. The Radio Television Digital News Association has flagged this as a growing threat to press freedom and public transparency.

But there was no single place to check: is my city encrypted? The data existed — scattered across RadioReference.com’s massive database of over 224,000 frequencies and 7,100 trunked radio systems — but no one had built a tool to make it searchable at the city level.

The Build

Binary Rogue proposed the project to RadioReference and built the entire application from scratch. The tool ingests data from the RadioReference API — 26,900+ public safety agencies across all 50 states and DC — normalizes it, classifies encryption status, and makes it instantly searchable by city, county, state, or zip code.

Data Source RadioReference API — weekly sync
Compute Cloudflare Workers — 330+ edge locations
Database Cloudflare D1 (SQLite at the edge)
Frontend Vanilla JS — zero framework overhead
Search Client-side filtering — nothing leaves the browser
Design Mobile-first responsive — any device, any screen

Key Features

  • Search by city, county, state, or zip code
  • Interactive US map with state-level encryption rates
  • Browse-by-state pages for all 50 states + DC
  • 1.18M individual channel and frequency records per agency
  • 60,000+ conventional channels alongside trunked systems
  • Automatic county-level fallback when a city lacks its own agencies
  • Client-side filtering — after page load, no data leaves the browser

The Results

The site launched and immediately gained traction in the scanner and press freedom communities.

  • 2,500 visitors in the first 5 days — zero paid marketing
  • Organic traffic from the US, France, Singapore, Ireland, and China
  • Community feedback drove a full v2 rebuild within one week
  • 2.9ms median CPU time — 100% success rate, zero errors

Why It Matters

This project is Binary Rogue in a nutshell: identify a gap, propose a solution, ship it, get feedback, rebuild it better. No committees. No six-month timeline. The v1 launched, real users tested it, and a complete v2 shipped within a week — addressing every piece of feedback.

The same approach applies whether the project is a public transparency tool or an AI automation system for your business. Ship, then iterate.

See It Live →

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