Narrative:

Departed ferguson on runway 180 degree, radio 122.8. When airborne changed to 119.0 pensacola approach called they said squawk XXXX on transponder, then they said I had entered their arsa which is violation and to call them when I landed. What I have learned from this is to depart to the northwest when leaving ferguson.

Google
 

Original NASA ASRS Text

Title: UNAUTH PENETRATION OF ARSA.

Narrative: DEPARTED FERGUSON ON RWY 180 DEG, RADIO 122.8. WHEN AIRBORNE CHANGED TO 119.0 PENSACOLA APCH CALLED THEY SAID SQUAWK XXXX ON XPONDER, THEN THEY SAID I HAD ENTERED THEIR ARSA WHICH IS VIOLATION AND TO CALL THEM WHEN I LANDED. WHAT I HAVE LEARNED FROM THIS IS TO DEPART TO THE NW WHEN LEAVING FERGUSON.

Data retrieved from NASA's ASRS site as of August 2007 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.