Yes, and no clue. 

Pete

From: [email protected] <[email protected]> On Behalf Of Ed Deichler
Sent: Saturday, June 8, 2024 10:07 AM
To: villages reflector <[email protected]>
Subject: [TVARC] Alphanumeric Characters in FT8 Responses

I'm sure many have noticed the "a#" (a2, a3, a7, etc.) characters that occur in the response line when working stations in FT8.  I haven't been able to find an explanation as to what they mean.

Anybody have a clue?

73 de Ed