C182 PLT IS CONCERNED THAT WHEN BEING FLT FOLLOWED ON HIS VFR FLT PLAN THAT THE CTLRS ASK HIS CALL SIGN MORE THAN ONCE. RPTR AFRAID THAT PERHAPS HE MAY HAVE VIOLATED CLASS B AIRSPACE.

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ROUTINE VFR CHARTER FROM NAPA COUNTY ARPT TO SALINAS. IN A C182 THAT IS LORAN EQUIPPED. LEVELED AT 3500 FT TO FOLLOW HWY 680 SOUTHWARD AROUND THE SFO CLASS B AIRSPACE. ABOUT 5 MI SW OF THE CONCORD ARPT; THE ALERT LIGHT GOES OFF INDICATING THAT I AM IN CLASS B AIRSPACE. I DOUBLECHKED ON MY VFR TERMINAL AREA CHART (WHICH WAS CURRENT) AND VERIFIED WITH GND CHKPOINTS THAT I WAS IN THE PROPER AREA. I HAD BRIONES RESERVOIR TO MY R AND WALNUT CREEK IN FRONT OF ME SO I FIGURED IT WAS A MALFUNCTION OF THE LORAN. I GOT ON FLT FOLLOWING ABOUT OVER DUBLIN AND STAYED WITH IT THE REST OF THE WAY INTO SALINAS. WHAT RAISED A QUESTION IN MY MIND WAS EVERY CTLR ASKED ME TO READ BACK MY CALL SIGN TWICE AND VERIFY MY SQUAWK CODE. I DO NOT SPEAK WITH AN ACCENT AND THEY SAID MY RADIOS WERE LOUD AND CLR WHEN ASKED; SO IT MADE ME THINK THAT PERHAPS A VIOLATION OF THE AIRSPACE HAD OCCURRED. I AM VERY SURE OF MY POS; BUT I KNOW THAT THE FAA IS ENFORCING POSSIBLE PROBS STRONGER AND STRONGER SO I WANT TO MAKE SURE MY RECORD STAYS CLR BY FILING THE PROPER PAPERWORK WITH YOU AT NASA.