TWIN CESSNA PILOT REPORTS MISIDENTIFYING SEE WHILE ATTEMPTING TO LAND VISUALLY AT MYF AND PROBLEMS WITH FREQUENCY CONGESTION ON BOTH APPROACH AND MYF TOWER.

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THE DAY STARTED WITH TYPICAL SOUTHERN CALIFORNIA STRATUS; RESULTING IN HIGH IFR TFC DURING THE MORNING HRS AND PROBABLY DELAYED VFR FLTS UNTIL THE AFTERNOON CLRING. I WAS REPOSITIONING TO MYF. ALTHOUGH I HAVE FLOWN IN THE LA BASIN FOR 30 YRS; IN HIGH DENSITY; I ELECTED TO FILE IFR TO MYF TO DEAL WITH THE CLASS B AIRSPACE AND SEQUENCING INTO MYF. CHKING IN ON THE APCH SECTOR WAS DELAYED 3-4 MINS DUE TO FREQ CONGESTION. THE CTLR WAS TALKING NON-STOP. I BELIEVE I AM IN THE UPPER 10% OF PLTS -- I FLY PROFESSIONALLY. HOWEVER; THIS CTLR WAS CLEARLY OVERWORKED AND DOING A REASONABLE JOB OF IT. TO 'HELP OUT;' I OFFERED THAT I HAD THE ARPT AND WOULD ACCEPT A VISUAL. IN FACT; I MADE A ROOKIE ERROR OF MISIDENTING THE ARPT -- I WAS LOOKING AT SEE INSTEAD OF MYF. THE CTLR CLRED ME FOR A VISUAL. HE DID NOT POINT OUT THE ARPT. WHEN I ATTEMPTED TO CHK IN WITH MYF TWR; I AGAIN ENCOUNTERED OVERLY CONGESTED FREQS -- THE TWR AND PLTS WERE STEPPING ON EACH OTHER. IT TOOK ABOUT 90 SECONDS TO CHK IN. I RPTED DOWNWIND HIGH. (I WAS AT SEE; NOT MYF.) THE TWR CTLR DID NOT ACKNOWLEDGE UNTIL THE 3RD OR 4TH CALL. AT THAT TIME; HE GAVE ME VECTORS. I COMPLIED FOR ABOUT 1 MI; THEN CALLED AGAIN; REFUSING THE VECTOR WHICH WAS INTO A MOUNTAIN. AT THAT TIME I WAS ABOUT 700-1000 FT ABOVE TERRAIN AND HOUSING; BUT TERRAIN WAS RISING. FINALLY; THE CTLR MUST HAVE REALIZED THAT I WAS NOT THE ACFT HE THOUGHT HE WAS VECTORING AND ASKED ME TO SQUAWK XXXX. (I WAS STILL ON MY IFR CODE.) HE THEN DETERMINED THAT I WAS AT THE WRONG ARPT AND GAVE ME CLB AND NEW VECTORS FOR AN UNEVENTFUL LNDG. HAD THIS BEEN A NIGHT APCH; THE SPURIOUS VECTORS COULD HAVE BEEN INTO TERRAIN. IN THINKING ABOUT FAULT; THE BULK OF THE BLAME LIES WITH ME: I LOST SITUATIONAL AWARENESS. IN THINKING ABOUT THE APCH; I WAS SUCKERED INTO BELIEVING THAT SEE WAS MY ARPT. I HAD IDENTED MIRAMAR AND SAN; BUT HAD LOST TRACK OF HOW FAR E I HAD COME. I HAD THE ILS AND GPS OVERLAY SET UP IN THE GARMINS. (AND I TEACH GARMIN USAGE. I AM PROBABLY IN THE UPPER 5% OF PLTS IN USING THESE TOOLS.) I SIMPLY TUNED OUT OTHER SITUATIONAL CUES -- I 'HAD THE ARPT.' FORTUNATELY; I DID RETAIN TFC SITUATIONAL AWARENESS. I WAS MONITORING MY ACTIVE TCAD SYS AND VISUALLY WATCHING TFC AT SEE. THE APCH CTLR COULD HAVE BROKEN THE ERROR CHAIN BY POINTING OUT THE ARPT. 'ARPT 3 O'CLOCK AND 10 MI; CLRED FOR THE VISUAL' WOULD HAVE SET OFF ALARMS WHEN THE ARPT I SAW WAS 9 O'CLOCK POS AND 3 MI. THE FREQ CONGESTION IS A REAL PROB; BOTH AT SOCAL AND AT THE TWR. I FIRMLY BELIEVE THAT BOTH OF THESE SHOULD HAVE BEEN BROKEN INTO SMALLER SECTORS. MYF ALWAYS IS BUSY ON THE RADIO. THEY OPERATE 2 RWYS. THEY SHOULD HAVE 2 FREQS -- L AND R RWYS. THE TWR CTLR MISUSED RADAR. I WAS GIVEN A VECTOR WITHOUT HIM IDENTING ME. THE VECTOR WAS INTO HIGH TERRAIN. AT NIGHT; THIS COULD HAVE BEEN FATAL.