STUDENT PLT OF A C152 MADE AN UNAUTH TOUCH-AND-GO DUE TO PARTIAL RADIO COMS FAILURE.

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I DEPARTED KENT STATE ON OCT/XA/97 TO AKRON/CANTON ARPT AND RECEIVED ATIS INFO. I THEN CONTACTED AKRON/CANTON APCH ON FREQ 118.6 AND REQUESTED 2 TOUCH-AND-GOES AND VFR BACK TO KENT. APCH INFORMED ME TO CONTACT TWR AFTER RPTING THAT I HAD THE ARPT IN SIGHT ON FREQ 118.3. AFTER CONTACTING TWR; TWR THEN GAVE ME CLRNC FOR TOUCH-AND-GO FOR RWY 19. AFTER EXECUTING THE TOUCH-AND-GO; I RECEIVED NO CALL FROM TWR. I THEN TRIED TO CONTACT TWR TO DETERMINE A STANDARD OR NON STANDARD TFC PATTERN. TWR CALLED BACK WITH ONLY MY ACFT TAIL NUMBER. AGAIN I CALLED TWR FOR THE TFC PATTERN. TWR CALLED BACK WITH MY ACFT TAIL NUMBER. I THEN CALLED TWR AND ASKED IF THEY WERE RECEIVING ME CLRLY. TWR DID NOT RESPOND. I THEN EXECUTED MY SECOND TOUCH-AND-GO AND CALLED TWR FOR VFR BACK TO KENT. TWR HAD ME CONTACT DEP ON FREQ 118.6. DEP THEN TOLD ME I DIDN'T HAVE CLRNC FOR THE SECOND TOUCH-AND-GO DUE TO PARTIAL RADIO FAILURE; AND TO HAVE THE PLANE'S RADIOS CHKED WHEN I LANDED AT KENT. THIS PROB COULD'VE BEEN AVOIDED IF I WOULD'VE SQUAWKED 7600 ON THE XPONDER; AND LOOKED TO THE TWR FOR LIGHT SIGNALS.