| Callsign | W3MDH |
|---|---|
| Radio Service | HV - Vanity |
| License Status | A - Active |
| Grant Date | 2023-11-14 |
| Effective Date | 2023-11-14 |
| Expire Date | 2033-11-14 |
| Cancel Date | |
| Last Action Date | 2023-11-14 |
| End Date | 2033-11-14 |
| Available Date | 2035-11-15 |
| Applicant Type | I - Individual |
| Entity Name | Heckendorn, Mark D |
| Street Address / Locality | 3868 Mound Avenue Ventura, CA 93003 |
| County | Ventura County |
| Zip Location | 34°17'01.2"N 119°13'23.5"W |
| Maidenhead | DM04jg |
| FRN | 0009444522 |
| Licensee ID/SGIN | L00738258 / 000 |
| Licensee Class | G - General |
| Callsign Group | C - 1x3 |
| ULS/Geo Region | 3 / 6 / CA |
| Prev Callsign / Prev Class | KB3KEV T - Technician |
| Next Callsign | |
| Trustee Callsign / Trustee Name | |
| Vanity Type | E - By List |
| ULS File Number | 0007974896 |
| Phonetic weight / Morse weight | 8 / 58 |
Administrative History
| Action Date | Action Type |
|---|---|
| 2003-09-27 | LIISS - License Issued |
| 2003-09-27 | VANGRT - Vanity Call Sign Assigned |
| 2006-07-28 | ESUFRN |
| 2006-08-01 | LIAUA - Administrative Update Applied |
| 2009-03-31 | LIAUA - Administrative Update Applied |
| 2013-08-23 | LIREN - License Renewed |
| 2017-10-27 | LIMOD - License Modified |
| 2023-11-14 | LIREN - License Renewed |