STUDENT PLT OF C152 SUFFERS RADIO FAILURE. LANDS AT MIL FIELD AFTER REPEATED ATTEMPTS TO CONTACT THE TWR.

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ON A SOLO XCOUNTRY; I STARTED TO HAVE ELECTRICAL AND RADIO FAILURE. AFTER NOTICING MY ELECTRICAL AND RADIO FAILURE; I DECIDED TO DO A 180 DEG TURN AND TURN AROUND BACK. I TRIED TO CONTACT APCH AND DEP BUT THERE WAS NO RESPONSE. I COULD BARELY HEAR ANYTHING THROUGH MY HEADSET; SO I SQUAWKED 7600. BY THIS TIME I STARTED TO LOOK FOR AN ARPT TO LAND ON AS I WAS TAUGHT FOR AN EMER LNDG AND THE FIRST ARPT JUST TO THE R OF ME WAS A MIL ARPT. BEFORE I STARTED MY DSCNT TO ZZZ; I DID A RADIO CHK MAKING SURE THAT THERE WAS NOTHING WRONG WITH MY RADIOS BUT NOTHING CAME BACK. AS I WAS DSNDING MY RADIOS KEPT GOING IN AND OUT. I CIRCLED ZZZ AIRSPACE ABOVE PATTERN ALT TRYING TO COMMUNICATE STATING; 'I WAS HAVING RADIO AND EQUIP FAILURE; REQUEST TO LAND AT YOUR ARPT.' I HEARD NO RESPONSE; SO I TRIED AGAIN. BY THAT TIME ALL I HEAR FROM THEM WAS 1 OR 2 WORDS AT A TIME SINCE MY RADIO KEPT GOING IN AND OUT. AT ONE POINT I HEARD FROM TWR; 'ARE YOU ANNOUNCING AN EMER?' I ANSWERED BY SAYING YES AND AFTER THAT MY RADIOS KEPT GOING IN AND OUT AND I COULDN'T HEAR ANYTHING ANYMORE. I KEPT CIRCLING THE ARPT LOOKING FOR LIGHT GUN SIGNALS BUT NOTHING HAPPENED. I KEPT TRYING TO COMMUNICATE WITH TWR MANY TIMES. I BELIEVE I DID THIS ABOUT 8-9 TIMES BEFORE I HEARD SOMEONE ON THE RADIO STATING 'CLEAR 3;' THAT'S ALL I HEARD. SINCE ZZZ ONLY HAS RWY 15 AND RWY 33; I ASSUMED THAT THEY CLRED ME TO LAND ON RWY 33. I STARTED MY DSCNT TO RWY 33 AND ASKED TWR; 'IS ACFT X CLRED TO LAND RWY 33?' I HEARD NOTHING SO I ASKED AGAIN. IT TOOK A COUPLE OF TIMES BEFORE I HEARD SOMEONE SAY YES. AS I STARTED MY DOWNWIND; I LOWERED MY FLAPS AND NOTICED THAT THEY WERE LOWERING IN A SLOWER THAN USUAL SPD. AFTER GETTING MY CLRNC TO LAND FROM ATC; I LANDED.