Damian SQ2CPA

Amateur Radio Programmer & Balloon Enthusiast

LoRa APRS Developer
Amateur Balloons SP0LND
RF-Only Advocate

I'm a programmer passionate about amateur radio and balloon projects. I specialize in creating simple, functional solutions that can be built in a single evening. My focus is on RF-only LoRa APRS work and amateur balloon floaters, staying true to pure radio communication.

Projects

LoRa APRS Projects

LoRa APRS Firmware
Software for LoRa APRS devices: Digi/IGate and Trackers
APRS TNC Web
Simple, web-based APRS interface for KISS mode TNC. Decode frames, view raw data, send and receive messages from a web browser.
LoRa APRS Mobile App
Android/iOS messenger app focused on LoRa APRS messaging and more
LoRa APRS Website
Comprehensive resource for LoRa APRS information and community

Amateur Balloons (SP0LND)

RS41 WSPR Firmware
STM32-based software for RS41 radiosondes converted to WSPR trackers
LoRa APRS Balloon software
LoRa APRS software for simple balloon trackers
WSPR Uploader
Automatic data transfer from WSPR spots to amateur.sondehub.org
SP0LND Balloons
Complete list of my amateur balloon flights and tracking data

Get In Touch

Interested in LoRa APRS, amateur balloons, or RF projects? Let's connect!

© 2025 Damian SQ2CPA. Amateur Radio Enthusiast & Software Developer.