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Getting Started with APRS Chat

What You'll Need

  • A valid amateur radio license with a callsign
  • An Android or iOS device
  • One of the following connection methods:
    • Internet access (for APRS-IS)
    • A TNC device (for RF connections)

Step 1: Download the App

APRS Chat is available for both Android and iOS devices. Download from your device's app store:

Get it on Google Play Download on the App Store

Step 2: Configure Your Station

When you first launch APRS Chat, you'll be asked to enter your callsign and configure your station settings:

  1. Callsign: Enter your amateur radio callsign (e.g., N0CALL)
  2. SSID: Choose an SSID that represents your station type:
    • -7 Handheld radio
    • -9 Mobile station
    • -10 Internet connection
    • -14 Truck/RV
  3. Symbol: Select an icon to represent your station on the map

Step 3: Choose a Connection Method

APRS Chat supports multiple connection methods. Choose the one that fits your setup:

APRS-IS (Easiest)

Connect via the internet to the APRS Internet System. Best for getting started quickly.

Learn more →

TCP KISS

Connect to a network-attached TNC like Dire Wolf or a hardware TNC with TCP support.

Learn more →

Bluetooth TNC (Android)

Connect directly to a Bluetooth-enabled TNC from your Android device.

Learn more →

Step 4: Send Your First Message

Once connected, you're ready to send APRS messages:

  1. Tap the New Message button
  2. Enter the destination callsign (e.g., N0CALL-9)
  3. Type your message (max 67 characters for RF compatibility)
  4. Tap Send

Tip: Start by sending a message to yourself or a nearby station to verify your setup is working correctly.

Next Steps