| Callsign | N8OSR |
| Radio Service | HA - Amateur |
| License Status | E - Expired |
| Grant Date | 2001-02-28 |
| Effective Date | 2001-02-28 |
| Expire Date | 2011-05-28 |
| Cancel Date | 2013-05-29 |
| Last Action Date | 2013-05-29 |
| End Date | 2011-05-28 |
| Available Date | 2013-06-29 |
| Applicant Type | I - Individual |
| Entity Name | CHRISTOPHERSEN, GREGORY A |
| Street Address / Locality | N 12006 HWY US 41 DAGGETT, MI 49821 |
| County | Menominee County |
| Zip Location | 45°31'46.8"N 87°37'51.6"W |
| Maidenhead | EN65em |
| FRN | 0004811287 |
| Licensee ID/SGIN | L00330874 / 000 |
| Licensee Class | G - General |
| Callsign Group | C - 1x3 |
| ULS/Geo Region | 8 / 8 / MI |
| Prev Callsign / Prev Class | P - Technician Plus |
| Next Callsign | |
| Trustee Callsign / Trustee Name | |
| Vanity Type | |
| ULS File Number | 9706258902 |
| Phonetic weight / Morse weight | 12 / 58 |