| Callsign | K3MAD |
| Radio Service | HV - Vanity |
| License Status | A - Active |
| Grant Date | 2018-11-14 |
| Effective Date | 2018-11-14 |
| Expire Date | 2028-11-27 |
| Cancel Date | |
| Last Action Date | 2024-03-13 |
| End Date | 2028-11-27 |
| Available Date | 2030-11-28 |
| Applicant Type | B - Amateur Club |
| Entity Name | MID ATLANTIC DX & REPEATER ASSOC |
| Street Address / Locality | PO Box 1233 Frederick, MD 217020233 |
| County | Frederick County |
| Zip Location | 39°28'45.3"N 77°26'35.5"W |
| Maidenhead | FM19gl |
| FRN | 0013369327 |
| Licensee ID/SGIN | L01008598 / 000 |
| Licensee Class | |
| Callsign Group | C - 1x3 |
| ULS/Geo Region | 3 / 3 / MD |
| Prev Callsign / Prev Class | KB3BMY |
| Next Callsign | |
| Trustee Callsign / Trustee Name | K3HP Beall, Timothy W |
| Vanity Type | F - By List (Club) |
| ULS File Number | 0003018369 |
| Phonetic weight / Morse weight | 8 / 56 |