PiLoRa 433 APRS iGate

A lightweight APRS iGate built for Raspberry Pi using a LoRa module (433 MHz) and Python. Designed to connect to APRS-IS and forward LoRa-received packets with proper filtering and timing.

---

Features

• LoRa (433.775 MHz) reception using Guru-RF RX-only LoRa HAT
• We added a high quality SAW filter it Improves selectivity, filtering out out-of-band signals and reducing interference and Enhances sensitivity, by lowering the noise floor and preventing strong adjacent signals from desensitizing the receiver.
• APRS-IS TCP gateway support
• Syslog over RFC5424 with custom hostname/appname
• GPIO-based LED activity indicator (blinks on packet receive)
• Structured, reconnect-safe asyncio code
• Easy install and systemd integration

---

Hardware Requirements

• Raspberry Pi Zero 2 W (or compatible Pi)
• Guru-RF RX-only LoRa 433 MHz HAT (coming soon!)

---

Installation

Clone the repository:

sudo apt -y install git
git clone https://github.com/Guru-RF/PILoRa433APRSiGate.git
cd PILoRa433APRSiGate

Make the installer executable and run it:

chmod +x install.sh
./install.sh

This will:

• Install Python dependencies
• Copy files to /opt/PiAPRSiGate
• Set systemd service: PiAPRSiGate.service

---

Configuration

Edit /opt/PiAPRSiGate/config.py to match your callsign, location, APRS passcode, etc.

# config.py

call = "URECALL-5"
passcode = "12345"  # https://apps.magicbug.co.uk/passcode/
latitude = 51.150000
longitude = 2.770000
altitude = 10  # in meters
symbol = "/R"  # Antenna symbol
comment = "PiLoRa iGate"

aprs_host = "rotate.aprs2.net"
aprs_port = 14580

syslogHost = "your.syslog.server"
syslogPort = 514
LoRaTimeout = 900

---

🔌 Systemd Services

Start manually: (first time you need to reboot to activate the SPI on the PI!)

sudo systemctl start PiAPRSiGate

Enable on boot:

sudo systemctl enable PiAPRSiGate

Check status:

sudo systemctl status PiAPRSiGate

---

Files & Structure

.
├── igate.py           # Main iGate logic 
├── APRS.py            # APRS utility class
├── config.py          # Your callsign, location, and settings
├── rfm9x.py           # LoRa driver 
├── dependencies.sh    # Installs required Python packages
├── install.sh         # Installer for the system
├── README.md          # This file

---

Credits

Built by RF.Guru for experimental APRS use with LoRa on Raspberry Pi.

---

License

MIT License – use it, fork it, improve it!