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If you have a column for "Country" (Column I): ham radio log sheet excel template
=SUMPRODUCT(1/COUNTIF(I2:I100,I2:I100))
(Note: This counts unique values in the list. Adjust the range I2:I100 to match your log size). Let’s build a professional, auto-validating log sheet from
| Feature | Excel Template | Paper Log | Dedicated Software (e.g., N1MM, Log4OM) | |---------|---------------|-----------|------------------------------------------| | Cost | Free–$10 | $5–20/year | Free–$100 | | Learning curve | Low | None | Medium–High | | Rig interface | No | No | Yes | | Dupe checking | Basic | Manual | Advanced | | ADIF export | Sometimes | No | Yes | | Field Day friendly | Yes | Yes | Very yes | (Note: This counts unique values in the list