AN INEXPERIENCED C172 PLT MADE A TOUCH-AND-GO LNDG WHEN CLRED TO LAND AT PHX.

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I WAS ON A SOLO XCOUNTRY TRAINING FLT. I CONTACTED THE TWR ON THE APPROPRIATE FREQ AND GAVE MY INITIAL POS RPT. THE CTLR RESPONDED TO MY CALL AND STATED THAT HE WAS UNSURE OF MY POS. I ATTEMPTED TO GIVE A MORE DESCRIPTIVE POS RPT TO THE CTLR. HIS RESPONSE SOUNDED VERY IMPATIENT WHEN HE INSTRUCTED ME TO FLY A SPECIFIC HDG IN ORDER TO JUDGE WHERE I WAS AND HOW HE WAS GOING TO CYCLE ME INTO THE TFC. AT THIS POINT THE CTLR ASKED ME WHAT MY INTENTIONS WERE. I TOLD HIM THAT I WAS REQUESTING A TOUCH-AND-GO AND THEN WOULD BE DEPARTING THE ARPT. AT THIS POINT THE CTLR WAS COARSE AND FRUSTRATED. HE STERNLY TOLD ME TO 'ORBIT OVER THE TWR AND AWAIT FURTHER INSTRUCTIONS.' I COMPLIED WITH HIS INSTRUCTIONS AND ORBITED FOR SEVERAL MINS OVER THE TWR. I RPTED THAT I WAS CURRENTLY 'ORBITING' THE TWR. THE CTLR CLAIMED THAT I WAS NOT IN SIGHT. HE THEN CAME BACK ON THE RADIO AND INSTRUCTED ME TO MAKE R TFC FOR THE ACTIVE RWY AND THAT I WAS 'CLRED' FOR THE RWY. I MADE MY APCH AND DSNDED TO THE RWY UPON LNDG. I INITIATED MY TOUCH-AND-GO. AT THIS POINT THE CTLR TOLD ME THAT I WAS ONLY CLRED TO LAND. HIS LAST INSTRUCTIONS DIDN'T CONTAIN THE WORDS 'CLRED TO LAND;' ALL HE SAID WAS 'CLRED RWY 7R.' I RESPONDED BY TELLING HIM THAT I SPECIFICALLY REQUESTED A TOUCH-AND-GO. THE CTLR TOLD ME THAT I HAD COMMITTED A VIOLATION. I DEPARTED THE ARPT AFTER THE CTLR TOLD ME TO CONTACT THE TWR WHEN I GOT HOME.