SMA PVT PLT'S RPT ON RADAR ADVISORY SVC AND DEP CTLR'S BEHAVIOR AGGRESSION UNPROFESSIONAL ATTITUDE. SUGGESTS THAT RADAR POS GIVEN BY CTLR WAS IN ERROR.

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AROUND PM ON THE INDICATED DATE I DEPARTED FROM SAN CARLOS ARPT ON THE SSE DIRECTION OF THE ARPT'S SINGLE RWY. WINDS WERE LIGHT AND VISIBILITY GOOD. I WAS IN MY OWN 140 MPH SEL ACFT; WITH WHICH I AM QUITE FAMILIAR. I HAVE MARKED MY INTENDED FLT TRACK ON THE ENCLOSED COPY OF THE TCA CHART. SHORTLY AFTER TURNING ONTO THE L XWIND FOR DEP; MY COM RADIO TUNED TO TWR FREQ WAS SWAMPED BY A CONSUMER RADIO BROADCAST...AT ABOUT 1000 FT. THIS EFFECT HAD OCCURRED IN THE SAME VICINITY ON ARR THE DAY BEFORE; THOUGH IT HAS NOT HAPPENED IN THE PREVIOUS 6 TO 10 FLTS INTO SAN CARLOS OVER THE LAST 6 MONTHS. THE SQUARE ON THE MAP INDICATES THE APPROX AREA OF INTERFERENCE. THE RADIO INTERFERENCE WAS A DISTR; SINCE IT CREATED UNCERTAINTY AS TO WHETHER I COULD HEAR TWR COMS WHILE AT THE ATA. AT POINT 'A' ON THE MAP SAN CARLOS TWR GAVE ME A 'FREQ CHANGE OK.' BY POINT 'B' I HAD CALLED OAKLAND DEP; REQUESTED FLT FOLLOWING; BEEN GIVEN AN ALT RESTR; AND AFTER A BRIEF DELAY; A SQUAWK. AT POINT C I WAS ADVISED 'RADAR CONTACT; 23/4 MI S OF HAYWARD ARPT...TFC XXX...REMAIN AT OR BELOW 2000 FT UNTIL ADVISED'. THIS IS THE STICKY PART AND THE REASON FOR MY RPT. BY MY OWN NAV; BASED ON AS MANY AS A HUNDRED TRIPS IN THIS GENERAL AREA OVER 30 YRS; I BELIEVE MY POS AT THE TIME WAS A COUPLE OF MI CLR OF THE HAYWARD ATA TO THE S. ON A CLR NIGHT SUCH AS THIS; THE SAN MATEO BRIDGE AND DUMBARTON BRIDGES STAND OUT LIKE ILLUMINATED GRID LINES ON THE BLACKNESS OF THE BAY. I SET MY COURSE TO INTERSECT FREMONT AREA ON THE E SIDE OF THE BAY AT THE MID POINT BTWN THESE 2 REFS. BUT THE FIX FROM THE DEP PUT ME INSIDE HAYWARD'S AIRSPACE AT 2000 FT; AN UNAUTH INTRUSION; IF TRUE. THAT LOCATION WOULD HAVE BEEN ABOUT WHERE I HAVE INSCRIBED ARCS IN THE HAYWARD ATA; AN AREA VISIBLY DIRECTLY OVER THE FREEWAY LEADING TO THE SAN MATEO BRIDGE; AND NOT A LOCATION WHICH WOULD BE VISUALLY CONFUSED WITH MY INTENDED PATH. I COULDN'T DEBATE THE MATTER AT THE TIME WITH THE CTLR BECAUSE OF OTHER RADIO TFC; BUT I BELIEVE THAT THE POS STATED BY THE ATC; WAS IN ERROR BY A COUPLE OF MI; FOR REASONS UNKNOWN. PERHAPS HE SAID; OR INTENDED TO SAY 'S OF HAYWARD ARPT ATA'. THE FACT THAT HIS ERRONEOUS STATEMENT IS A MATTER OF RECORD PUTS ME IN LEGAL JEOPARDY; I BELIEVE. THE TERMINATION OF RADAR SVC WAS ALSO ODD; TOUGH I MONITORED THE RADIO ATTENTIVELY AND EXCLUSIVELY ON THE DEP FREQ; I WAS NEITHER HANDED OFF NOR TERMINATED. FINALLY; KNOWING I WOULD LOSE CONTACT WHEN I WAS WELL S OF MOUNT DIABLO; I REQUESTED A FREQ CHANGE. THE IRRITABLE RESPONSE WAS: 'WE TERMINATED YOU A LONG TIME AGO.' IN GENERAL TRSA COMS WITH VFR ARRS AND DEPS TO/FROM THE E FOR PALO ALTO AND SAN CARLOS ARE MARKED BY RECURRING INCIDENTS OF THIS SORT. ALTHOUGH VFR TFC IS REQUIRED TO COMMUNICATE; THE APCH/DEP PEOPLE SOMETIMES ARE IRRITABLE AND IMPATIENT WITH THEIR CAPTIVE CLIENTS AND NOT INFREQUENTLY OMIT HDOFS (FOR ARRS TOO). IF I WEREN'T REQUIRED TO DEAL WITH THEM; I'D TAKE MY BUSINESS ELSEWHERE. ON THE OTHER HAND; PEOPLE AT OAKLAND HAVE BEEN VERY HELPFUL AND SUPPORTIVE ON OTHER OCCASIONS. I THINK; ON BALANCE; THAT THEY ARE SOMETIMES JUST TOO BUSY FOR VFR TFC. WHETHER THAT WAS A FACTOR IN THE INCIDENT; I DO NOT KNOW.