K4ACK is listed in the FCC's ULS as being expired. It shows a cancellation date of 2-26-2010.

http://wireless2.fcc.gov/UlsApp/UlsSearch/license.jsp?licKey=243611 73, Steve KJ4FEL

________________________________ From: Michael J. Wolthuis wolthui3@msu.edu To: amsat-bb@amsat.org Sent: Sat, March 12, 2011 6:37:58 PM Subject: [amsat-bb] K4ACK?

Did I mess up a typo on the callsign? I copied down K4ACK - el82 on the last AO-51 pass. No QRZ entry though. Anyone know?

mike kb8zgl

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