| Callsign | KB3GFL |
| Radio Service | HA - Amateur |
| License Status | C - Canceled |
| Grant Date | 2001-02-28 |
| Effective Date | 2009-11-09 |
| Expire Date | 2011-02-28 |
| Cancel Date | 2010-01-26 |
| Last Action Date | 2010-01-26 |
| End Date | 2010-01-26 |
| Available Date | 2012-01-27 |
| Applicant Type | I - Individual |
| Entity Name | DOULAVERIS, CONSTANTINE G |
| Street Address / Locality | 6109 GRANBY RD DERWOOD, MD 208551475 |
| County | Montgomery County |
| Zip Location | 39°07'59.5"N 77°08'03.8"W |
| Maidenhead | FM19kd |
| FRN | 0004455937 |
| Licensee ID/SGIN | L00330640 / 000 |
| Licensee Class | G - General |
| Callsign Group | D - 2x3 |
| ULS/Geo Region | 3 / 3 / MD |
| Prev Callsign / Prev Class | T - Technician |
| Next Callsign | N3GUS |
| Trustee Callsign / Trustee Name | |
| Vanity Type | |
| ULS File Number | 0004024224 |
| Phonetic weight / Morse weight | 10 / 76 |