| Callsign | K4NWR |
| Radio Service | HV - Vanity |
| License Status | C - Canceled |
| Grant Date | 2008-04-29 |
| Effective Date | 2011-09-07 |
| Expire Date | 2018-04-29 |
| Cancel Date | 2012-05-09 |
| Last Action Date | 2012-05-25 |
| End Date | 2012-05-09 |
| Available Date | 2014-05-10 |
| Applicant Type | B - Amateur Club |
| Entity Name | K4 National Wildlife Refuge ARC |
| Street Address / Locality | 7229 Wickford Dr Alexandria, VA 22315 |
| County | Fairfax County |
| Zip Location | 38°45'30.0"N 77°09'04.3"W |
| Maidenhead | FM18ks |
| FRN | 0017588922 |
| Licensee ID/SGIN | L01383009 / 000 |
| Licensee Class | |
| Callsign Group | C - 1x3 |
| ULS/Geo Region | 4 / 4 / VA |
| Prev Callsign / Prev Class | KJ4CYE |
| Next Callsign | |
| Trustee Callsign / Trustee Name | K4RT Farrell, Brad |
| Vanity Type | F - By List (Club) |
| ULS File Number | 0004866709 |
| Phonetic weight / Morse weight | 12 / 56 |