Instant Callsign Intelligence Over APRS

Finding accurate callsign information during on-air operations shouldn’t require a web browser or database lookup. 9M2PJU-6 APRS Malaysia Callsign Bot brings real-time Malaysian callsign intelligence directly onto the APRS network, accessible from any APRS-capable radio or client.

Built specifically for the Malaysia amateur radio community, this APRS bot delivers fast, reliable callsign lookups-entirely over APRS messaging.

🧠 What Is the 9M2PJU-6 Callsign Bot?

9M2PJU-6 is an APRS-IS-connected service station that listens for APRS messages and responds with official Malaysian amateur radio callsign details, including:

• Operator name
• License expiry date

The bot also transmits a periodic APRS beacon, ensuring it remains visible and reachable on the network at all times.

No apps. No websites. Just APRS.

⚡ Built for Speed and Reliability

Speed matters on-air.

The bot uses a preloaded, in-memory callsign database containing 10,000+ Malaysian callsigns, enabling:

• Near-instant responses
• Zero external lookup delays
• Consistent performance during peak usage

Every lookup is processed locally, ensuring predictable and reliable replies.

📬 How to Use the Callsign Bot

Interacting with the bot is intentionally simple and standardized.

🔍 Callsign Lookup

Send an APRS message to the bot’s callsign:

callsign 9M2PJU

📤 Example Reply

Name: MOHD FAIZ BIN ZAKARIA
Exp: 31/12/2030

The response is returned directly via APRS messaging, making it usable on radios, mobile APRS apps, and desktop clients alike.

📡 When Is This Useful?

The 9M2PJU-6 Callsign Bot is especially valuable during:

• Nets and on-air roll calls
• Field operations and activations
• Emergency exercises
• APRS experimentation
• General monitoring and validation

It allows operators to quickly identify stations and verify license validity without leaving the radio.

🗺️ Always Visible on APRS

The bot transmits a regular APRS position beacon, making it easy to locate and confirm its status on the APRS network. Operators can see at a glance that the service is online and ready to respond.

🇲🇾 Built for Malaysia, By Malaysia

This project is tailored specifically for Malaysian Amateur Radio Callsigns, using local licensing data and operating practices. It reflects a focus on community utility, accuracy, and practical on-air use.

❤️ Open, Experimental, and Community-Driven

The 9M2PJU-6 APRS Malaysia Callsign Bot is an open, experimental project designed to encourage innovation within amateur radio. Contributions, ideas, and improvements from the community are always welcome.

🎯 Why This Matters

Amateur radio thrives on information exchange.
By placing accurate callsign data directly onto APRS, this bot removes friction, saves time, and enhances on-air awareness-especially when it matters most.

73 de 9M2PJU