| Category | Subcategory | Lat | Lon | Range |
|---|---|---|---|---|
| Marshall County Amateur Radio | Repeaters | 42.03332 | -93.00076 | 25 |
| Marshall County | Marshall County | 42.03332 | -93.00076 | 17 |
| Marshall County | Marshalltown | 42.04943 | -92.90798 | 4 |
| Marshall County | State Center | 42.01665 | -93.16354 | 3 |
