| Callsign | KA3MRX |
| Radio Service | HV - Vanity |
| License Status | A - Active |
| Grant Date | 2021-01-29 |
| Effective Date | 2021-01-29 |
| Expire Date | 2031-03-27 |
| Cancel Date | |
| Last Action Date | 2021-01-29 |
| End Date | 2031-03-27 |
| Available Date | 2033-03-28 |
| Applicant Type | B - Amateur Club |
| Entity Name | Somerset County Amateur Radio Emergency Service |
| Street Address / Locality | 7864 Old Westover Rd Westover, MD 21871 |
| County | Somerset County |
| Zip Location | 38°05'37.6"N 75°44'08.5"W |
| Maidenhead | FM28dc |
| FRN | 0003325529 |
| Licensee ID/SGIN | L00236450 / 000 |
| Licensee Class | |
| Callsign Group | D - 2x3 |
| ULS/Geo Region | 3 / 3 / MD |
| Prev Callsign / Prev Class | KB3GFA |
| Next Callsign | W3MRX |
| Trustee Callsign / Trustee Name | W3MRX CANN JR, HOWARD E |
| Vanity Type | F - By List (Club) |
| ULS File Number | |
| Phonetic weight / Morse weight | 11 / 70 |