| Callsign | KR4MRJ |
|---|---|
| Radio Service | HA - Amateur |
| License Status | A - Active |
| Grant Date | 2026-04-21 |
| Effective Date | 2026-06-09 |
| Expire Date | 2036-04-21 |
| Cancel Date | |
| Last Action Date | 2026-06-09 |
| End Date | 2036-04-21 |
| Available Date | 2038-04-22 |
| Applicant Type | I - Individual |
| Entity Name | Grimm, Justin D |
| Street Address / Locality | 7635 Covewood Ct Gainesville, VA 201552880 |
| County | Prince William County |
| Zip Location | 38°48'37.4"N 77°37'09.7"W |
| Maidenhead | FM18et |
| FRN | 0038247318 |
| Licensee ID/SGIN | L03030167 / 000 |
| Licensee Class | G - General |
| Callsign Group | D - 2x3 |
| ULS/Geo Region | 4 / 4 / VA |
| Prev Callsign / Prev Class | KR4LPR T - Technician |
| Next Callsign | |
| Trustee Callsign / Trustee Name | |
| Vanity Type | |
| ULS File Number | |
| Phonetic weight / Morse weight | 14 / 72 |
Administrative History
| Action Date | Action Type |
|---|---|
| 2026-06-09 | LIISS - License Issued |
| 2026-06-09 | SYSGRT - New Systematic Call Sign Assigned |