GPS NMEA Logger & Signal Map

■ Overview
Visualize and record your surrounding wireless environment with engineer-grade precision. This app is a high-accuracy logging tool designed for detailed analysis of signal strength variations while moving, as well as the distribution of WiFi and Bluetooth devices.

■ Key Features

High-Precision Logging: Real-time background recording of location (GPS), WiFi signal strength, and Bluetooth (BLE) scan data.

Background Operation: Utilizes foreground services to ensure stable, continuous logging even when the screen is turned off or other apps are in use.

CSV Export: Instantly export accumulated data into CSV format, optimized for analysis. Easily transfer files to Google Drive or your PC.

Lightweight & Modern Stack: Built with Kotlin and Jetpack Compose. Delivers smooth performance and high responsiveness while minimizing battery consumption.

■ Ideal For

Identifying wireless dead zones at home or in the office.

Creating signal strength maps along your transit routes.

Collecting data for IoT hardware development and validation.

■ Privacy
While this app requests permissions required for logging, it never uploads your data to external servers. All collected data remains stored locally on your device.