| Callsign | KD3CSH |
|---|---|
| Radio Service | HA - Amateur |
| License Status | C - Canceled |
| Grant Date | 2026-03-04 |
| Effective Date | 2026-05-18 |
| Expire Date | 2036-03-04 |
| Cancel Date | 2026-07-25 |
| Last Action Date | 2026-07-25 |
| End Date | 2026-07-25 |
| Available Date | 2028-07-26 |
| Applicant Type | I - Individual |
| Entity Name | Mallin, Jay |
| Street Address / Locality | 2000 Spencer Rd Silver Spring, MD 209105015 |
| County | Montgomery County |
| Zip Location | 39°00'10.3"N 77°02'11.9"W |
| Maidenhead | FM19la |
| FRN | 0038029823 |
| Licensee ID/SGIN | L03018371 / 000 |
| Licensee Class | E - Amateur Extra |
| Callsign Group | D - 2x3 |
| ULS/Geo Region | 3 / 3 / MD |
| Prev Callsign / Prev Class | G - General |
| Next Callsign | W3JAY |
| Trustee Callsign / Trustee Name | |
| Vanity Type | |
| ULS File Number | 0012038441 |
| Phonetic weight / Morse weight | 12 / 70 |
Administrative History
| Action Date | Action Type |
|---|---|
| 2026-03-04 | SYSGRT - New Systematic Call Sign Assigned |
| 2026-03-04 | LIISS - License Issued |
| 2026-05-18 | LIMOD - License Modified |
| 2026-07-25 | LICAN - License Canceled |
FCC comments
| 2026-07-25 | Issued vanity call sign. |