AN ACR MLG FLEW THE WRONG HDG AFTER TKOF.

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THE FLT PLAN RTE SPECIFIED GAPP 1 DEP. PDC WAS RECEIVED JUST A FEW MINS PRIOR TO PUSHBACK. ROUTING ON THE CLRNC SPECIFIED GAPP 1 DEP. THE ATC CLRNC SPECIFIED BOTH SAN FRANCISCO 6 AND GAPP 1 DEP AND THE GAPP 1 WAS MISINTERPRETED AS BEING THE PREFERRED RTE. GAPP 1 CALLS FOR L TURN TO 350 DEGS; SAN FRANCISCO 6 CALLS FOR R TURN TO 030 DEGS AFTER TKOF. WE DEPARTED RWY 1R WITH AN ACR LGT CLRED FOR TKOF BEHIND US ON RWY 1L. WE WERE IN VISUAL CONTACT WITH THIS TFC AND COMMENCED L TURN AT 400 FT. TWR IMMEDIATELY TOLD US TO TURN R TO 030 DEGS. WE CONTINUED ON THIS HDG AND WERE HANDED OFF TO BAY DEP. DEP ASKED WHAT HDG WE WERE GIVEN. DEP ALSO INFORMED US WE SHOULD BE ON SAN FRANCISCO 6; WHICH WE WERE AT THAT TIME. THE FLT CONTINUED NORMALLY. HAVING 2 CLRNCS ON THE PDC IS MISLEADING AND CONFUSING. THE FLC MISINTERPRETED THE PREFERRED RTE AND SHOULD HAVE CONFIRMED THIS WITH ATC. THE LATE ARR ON THE PDC ALSO CONTRIBUTED TO THE CONFUSION. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO: THE RPTING FO STATES THAT HIS ACR DOES NOT PROVIDE ACARS PRINTERS IN THEIR ACFT; SO THE PDC IS BROUGHT TO THE COCKPIT BY THE TICKET LIFT AGENT JUST PRIOR TO PUSHBACK. THIS CAN CREATE SOME CONFUSION AT A BUSY TIME. THE RPTR LEARNED LATER THAT THE FLC IS TO FLY THE DEP ROUTING SHOWN WITH A MINUS SIGN PRECEDING IT; NO MATTER HOW MANY DEP ROUTINGS THERE MIGHT BE SHOWN. THE SFO 6 AND THE GAPP 1 DEPS DIFFER ONLY IN THE HDG TO BE FLOWN AFTER TKOF. AT SFO; NO CTLR EVER ASKS IF THE ACFT HAS THE PROPER XPONDER SQUAWK; DEP ROUTING; OR ASSIGNED HDG AFTER TKOF ALLOWING ANY ONE OF THESE MISTAKES. THE RPTR; HIS CAPT ON THIS TRIP; AND THE ACR'S ATC LIAISON HAVE ALL CONTACTED SFO ABOUT IRONING OUT THIS PROB. SUPPLEMENTAL INFO FROM ACN 249498: RECOMMEND CONFIRMING SQUAWK AND DEP WITH CLRNC DELIVERY AS AT LGA.