SMA PLT LNDG AT UNCTLED ARPT ENCOUNTERS SMA 'SKIPPING' OFF RWY OPPOSITE DIRECTION.

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AFTER DEPARTING A SMALL VFR UNCTLED ARPT TO PICK UP ANOTHER ACFT AT A COUNTY UNICOM ARPT ABOUT 12 MI AWAY; MY PAX (A PLT) AND I DETERMINED OUR RADIO DID NOT OPERATE PROPERLY. WHEN TUNING IN A LCL ATIS FREQ; WE WERE RECEIVING A CTR FREQ. OBVIOUSLY; THE FREQ SELECTOR HAD SLIPPED AND IT WAS NOT POSSIBLE TO TUNE THE RADIO. WE DECIDED TO TURN OFF THE RADIO AND CONTINUE IN ORDER TO PICK UP THE AIRPLANE BEFORE THE WX DETERIORATED. THE FORECAST WAS FOR RAIN; HVY AT TIMES PRECEDED BY LLWS. COMING UP ON THE FIELD WE ENTERED A DOWNWIND FOR 26 AND CONFIRMED THE WINDS; MOSTLY OUT OF THE S FAVORED USING 26. FINAL APCH WAS FAIRLY BUSY WITH TURB; HIGH SINK AT TIMES AND A STIFF L XWIND. FULL PWR WAS NEEDED ONCE DURING HIGH SINK BUT ALIGNMENT AND TRACKING TO THE RWY WAS WELL WITHIN THE CAPABILITIES OF AN SMA BUT DEMANDED FULL ATTN. WHILE TOUCHING DOWN ON THE L SIDE OF THE RWY WE BOTH NOTICED AN SMA B SKIPPING SIDEWAYS OFF THE R SIDE OF 26. THE 2 ACFT DID NOT PASS CLOSE TO EACH OTHER AND WE DO NOT KNOW IF THE AIRPLANE COMING TOWARDS US WAS ON TKOF AND ABORTED OR WAS ON ROLLOUT FROM AN INST APCH TO RWY 8. THE COMMON AND FREQUENT VFR TFC USES 26 WHILE MANY OTHER PLTS PRACTICE THE ILS TO RWY 8 AND OFTEN CAUSE TFC CONFLICTS. LACK OF A RADIO; CONCENTRATION ON THE XWIND; CONTRIBUTED TO A LACK OF AWARENESS OF THE OTHER ACFT. FUTURE OCCURRENCES WOULD BE PREVENTED BY CONCENTRATING ON GAR PREPARATION AND RWY ENVIRONMENT AS MUCH AS XWIND TECHNIQUE DURING THE LNDG. GARS ARE ALWAYS PREFERABLE TO ACCIDENTS.