All information on this site is presented "AS IS". Use it entirely at your own risk.
If you are looking for the page that describes how to build a programming cable for the Yaesu FT-7900R or ICOM IC-T7H using Radio Shack's USB scanner programming cable (part no. 20-047), that page is here. As a bonus, I have added pictures and information on rig control for an ICOM IC-746.
The GROL exam is administered by private examiners, like the Amateur license exams. The examiner coordinators are called Commercial Operator Licensing Examination Managers (COLEMs), which are like the Volunteer Examiner Coordinators for Amateur Radio. See the National Radio Examiners, one of the COLEMs, for more information on the GROL