Earl Martin is a top notch electronics guru at the Radio shack in Clinton Oklahoma. during my visit to this establishment Mr. Martin was friendly very proffessional and answered all questions in a brilliant manner showing he is very skilled in the field of electronics. His associate was also very knowledgeable . This Radio Shack is also very up to date with the latest drone technology. Makes me want to shop at this Radio Shack in Clinton Oklahoma. V/r Michael Harris