42 Testing for others in the field of satellite, telecommunications, and radio frequency analysis systems; computer software and hardware design and development for others in the field of testing of satellite, telecommunications, and radio frequency analysis systems; consulting services in the field of testing of satellite, telecommunications, and radio frequency analysis systems; consulting services in the design, selection, implementation, and use of computer hardware and software systems for others in the field of testing of satellite, telecommunications, and radio frequency analysis systems; technical support services, namely, troubleshooting of computer hardware and software problems in the field of testing of satellite, telecommunications, and radio frequency analysis systems