RPTR PLT WAS CONFUSED ON TAXI INSTRUCTIONS AND PART OF THE PROB WAS THE INSTRUCTION TO CROSS THE TARMAC TO AN FBO X SIGN. BEING THAT THERE WAS MORE THAN ONE FBO X SIGN; RPTR WAS CONFUSED AND TAXIED ACROSS AN ACTIVE RWY WHEN AN ACFT WAS TAKING OFF. GND CTLR HAD RPTR CONTACT THEM BY PHONE.

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TWR BROUGHT ME IN ON RWY 12L. WIND WAS CALLED AT 330 DEGS AT 12 KTS. ON SHORT FINAL COMING OVER NUMBERS; I FOUND I WAS CRABBING 35 DEGS TO L. TWR CALLED AND SAID WINDS INCREASED TO 230 DEGS AT 28 KTS; GUSTING TO 35 KTS. WITH HVY TFC ON RWY 12R; I DID NOT WANT TO GAR; I WAS TOO LOW AND THE WINDS WOULD BLOW ME OVER RWY 12R; SO I LANDED A LITTLE SHOOK UP. GOT IT DOWN OK AND TAXIED 180 DEGS BACK AS THEY TOLD ME TO GO TO TXWY D. THEY SAID GO DOWN TXWY D TO TXWY N AND DOWN TXWY N ACROSS TARMAC TO FBO X SIGN. I DID THIS WITH TWR WATCHING; BUT I WAS FOLLOWING THE WRONG FBO X SIGN. I THOUGHT I WAS CLRED ACROSS RWY; I KNOW NOT WHAT NUMBER. THEY SAID ACROSS TARMAC; BUT MEANT TO THE R TO ANOTHER FBO X SIGN. A SMALL CESSNA WAS TAKING OFF THE RWY I CROSSED; BUT WAS WELL ABOVE ME; ABOUT 100 FT WHERE I WAS XING THE RWY. MISTAKE WAS I ASKED FOR DIRECTIONS TO FBO Y AND TWR SAID TXWY D TO TXWY N TO FBO X SIGN. THERE ARE 2 FBO X SIGNS AND OF COURSE I DID NOT KNOW THIS. TWR SHOULD HAVE BEEN WATCHING ME TAXI UNTIL I WAS CLR OF ALL RWYS. GND CTLR TOLD ME TO CONTACT TWR BY PHONE; WHICH I DID; IMMEDIATELY UPON REACHING FBO Y.