| Callsign | W3UNM |
| Radio Service | HV - Vanity |
| License Status | E - Expired |
| Grant Date | 1996-08-09 |
| Effective Date | 2000-06-09 |
| Expire Date | 2006-08-09 |
| Cancel Date | 2008-08-12 |
| Last Action Date | 2008-08-12 |
| End Date | 2006-08-09 |
| Available Date | 2008-09-12 |
| Applicant Type | I - Individual |
| Entity Name | MARPMAN JR, WALTER E |
| Street Address / Locality | 10540 JEPSON ST ORLANDO, FL 32825 |
| County | Orange County |
| Zip Location | 28°31'04.9"N 81°13'44.4"W |
| Maidenhead | EL98jm |
| FRN | 0003359288 |
| Licensee ID/SGIN | L00255430 / 000 |
| Licensee Class | G - General |
| Callsign Group | C - 1x3 |
| ULS/Geo Region | 3 / 4 / FL |
| Prev Callsign / Prev Class | WB9UFC P - Technician Plus |
| Next Callsign | |
| Trustee Callsign / Trustee Name | |
| Vanity Type | A - Former Holder |
| ULS File Number | 9608090713 |
| Phonetic weight / Morse weight | 10 / 56 |