| Callsign | W3MAD |
| Radio Service | HV - Vanity |
| License Status | E - Expired |
| Grant Date | 1998-04-22 |
| Effective Date | 2002-04-24 |
| Expire Date | 2008-04-22 |
| Cancel Date | 2010-04-23 |
| Last Action Date | 2010-04-23 |
| End Date | 2008-04-22 |
| Available Date | 2010-05-24 |
| Applicant Type | B - Amateur Club |
| Entity Name | MARYLAND APPLE DUMPLING RADIO AMATEUR SOC |
| Street Address / Locality | 11910 Coronada Place Kensington, MD 208952323 |
| County | Montgomery County |
| Zip Location | 39°01'37.4"N 77°04'39.3"W |
| Maidenhead | FM19la |
| FRN | 0006956981 |
| Licensee ID/SGIN | L00506115 / 000 |
| Licensee Class | |
| Callsign Group | C - 1x3 |
| ULS/Geo Region | 3 / 3 / MD |
| Prev Callsign / Prev Class | KB3BHZ |
| Next Callsign | |
| Trustee Callsign / Trustee Name | K3IRV MC WHERTER, IRVING L |
| Vanity Type | F - By List (Club) |
| ULS File Number | 9803125994 |
| Phonetic weight / Morse weight | 8 / 56 |