The FCC Form 502 has enabled macros. You must not try to populate any cell that is protected. Company information can only be populated on the “Company Info” tab. For the geographic FCC Form 502, Forms U1, U2, U3 and U4, you must start at row 21 and can only populate columns A through J. For Forms F1A/B, F2A/B, you must start populating at row 22 columns A through H. For Forms F3A/B you must start populating on row 22 columns B through H. For the available, utilization and total columns, you must click the “Check the Data Before Submitting” button in the upper right corner for these columns to calculate.