Question about message

Today I was sent a message via ARISS and I replied back. The message kept coming same as the first time...Never had that happen before. ISS had to get out of range for it to stop.

KI4WRM – Thu, 2009 – 10 – 08 15:21

ACK

Message sender probably never got an APRS ACK (Acknowleged) that you received the message so it kept retrying. If you are running packet in unproto and not a full APRS operation, that can happen.

Kenneth - N5VHO
http://spaceflight.nasa.gov/station/reference/radio/
Support ARISS http://www.amsat-na.com/store/donation.php (select "Human Spaceflight (ARISS))

Submitted by N5VHO on Thu, 2009-10-08 20:16.
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