APRS Bulletins Explained What to Send, When to Send It, and Why @KM4ACK
APRS Bulletins Explained What to Send, When to Send It, and Why  @KM4ACK
Uploaded February 2026 | Updated September 2026, 3 weeks ago
Learn how to send APRS bulletins using YAAC (Yet Another APRS Client) in this step-by-step tutorial for amateur radio operators. This video walks through the exact process of creating and transmitting APRS bulletins in YAAC, including how to configure bulletin text, select bulletin identifiers (BLN), and properly transmit bulletins over RF.
In addition to the mechanics, we cover best practices for APRS bulletin repeat rates.
We also share real-world examples of effective APRS bulletin content, such as:
• Event and net announcements
• Emergency and public service information
• Weather and SKYWARN alerts
• System status and operational updates
This video is ideal for ham radio operators, APRS users, emergency communications volunteers, and anyone using YAAC APRS software who wants to communicate information efficiently and responsibly.
Whether you’re new to APRS or looking to improve your on-air messaging, this guide will help you understand when, why, and how to use APRS bulletins effectively.

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APRS Bulletins Explained What to Send, When to Send It, and Why

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