| Callsign | W1OPA |
| Radio Service | HV - Vanity |
| License Status | E - Expired |
| Grant Date | 2012-11-29 |
| Effective Date | 2012-11-29 |
| Expire Date | 2023-01-22 |
| Cancel Date | 2025-01-23 |
| Last Action Date | 2025-01-23 |
| End Date | 2023-01-22 |
| Available Date | 2025-02-23 |
| Applicant Type | I - Individual |
| Entity Name | GRIESEMER, MANFRED R |
| Street Address / Locality | 25 STEVENS ST SOUTH BERWICK, ME 039081127 |
| County | York County |
| Zip Location | 43°13'50.2"N 70°45'08.7"W |
| Maidenhead | FN43of |
| FRN | 0008125767 |
| Licensee ID/SGIN | L00611155 / 000 |
| Licensee Class | G - General |
| Callsign Group | C - 1x3 |
| ULS/Geo Region | 1 / 1 / ME |
| Prev Callsign / Prev Class | KA1JUK P - Technician Plus |
| Next Callsign | |
| Trustee Callsign / Trustee Name | |
| Vanity Type | E - By List |
| ULS File Number | |
| Phonetic weight / Morse weight | 9 / 68 |