| Callsign | K1RSQ |
| Radio Service | HV - Vanity |
| License Status | C - Canceled |
| Grant Date | 2000-03-21 |
| Effective Date | 2000-04-18 |
| Expire Date | 2010-03-21 |
| Cancel Date | 2000-05-09 |
| Last Action Date | 2000-05-09 |
| End Date | 2000-05-09 |
| Available Date | 2002-05-10 |
| Applicant Type | I - Individual |
| Entity Name | PROFFITT, DAVID P |
| Street Address / Locality | 6021 HOSTA CT ELKRIDGE, MD 21075 |
| County | Howard County |
| Zip Location | 39°12'11.1"N 76°45'02.6"W |
| Maidenhead | FM19oe |
| FRN | 0003327137 |
| Licensee ID/SGIN | L00160111 / 000 |
| Licensee Class | E - Amateur Extra |
| Callsign Group | C - 1x3 |
| ULS/Geo Region | 1 / 3 / MD |
| Prev Callsign / Prev Class | N3FEM P - Technician Plus |
| Next Callsign | K3YK |
| Trustee Callsign / Trustee Name | |
| Vanity Type | E - By List |
| ULS File Number | |
| Phonetic weight / Morse weight | 11 / 66 |