Retrieving license, trustee, & application history for
K4SDM
K4SDM is restricted to Technician class operators or higher.
Navigation:
- Scroll down to the applications that requested this callsign.
- An Entity Name opens everything filed under that licensee’s FCC Registration Number.
- A Grant Date opens all processing on that day; an Effective Date opens the license record.
Notes:
- Column headings link to an explanation of the column.
- A bold Applicant Type marks a vanity callsign assignment.
- Active licenses are listed first, then the rest by Effective Date, newest first.
| Entity Name | Applicant Type |
Licensee Class | Region / State | License Status |
Grant Date | Effective Date |
Cancel Date | Expire Date |
|---|---|---|---|---|---|---|---|---|
| Mathews Jr, Stephen D | I - Individual | E - Amateur Extra | 4 / GA | A - Active | 2020-06-13 | 2021-10-18 | 2030-06-13 | |
| SPRAGUE, DAVID M | I - Individual | E - Amateur Extra | 4 / NC | C - Canceled | 2011-01-04 | 2011-02-08 | 2011-03-01 | 2021-01-04 |
Retrieving applications for
K4SDM
K4SDM is restricted to Technician class operators or higher.
Navigation:
- An Applicant callsign opens that callsign’s history; an Entity Name opens the applicant’s history.
- A ULS File Number opens the application detail; a Receipt Date opens that day’s applications.
Notes:
- Two dates or purposes in one row mean the application was amended or withdrawn: the latest change is on top, the original underneath.
- “Granted” means the application was granted, not necessarily with this callsign.
- Receipt dates more than a month old have a gray background.
| Receipt Date |
Applicant Callsign | Region / State |
Entity Name | ULS File Number | Application Purpose |
Payment Date | Last Action Date |
Application Status |
|---|---|---|---|---|---|---|---|---|
| Fri 2026-08-07 | KR4OEU | 4 / TN | Morin, Seth D | 0012143875 I - Online |
MD - Modification | 2026-08-07 | 2026-08-25 | D - Dismissed |
| Tue 2020-05-26 | KN4DYE | 4 / GA | MATHEWS JR, STEPHEN D | 0009090176 I - Online |
MD - Modification | (none) | 2020-06-13 | G - Granted |
| Mon 2017-07-03 | KG7FDN | 7 / OR | Morehead, Stephanie D | 0007840429 I - Online |
MD - Modification | (none) | 2017-07-21 | G - Granted |
| Thu 2010-12-16 | KJ4ZHQ | 4 / NC | SPRAGUE, DAVID M | 0004536325 I - Online |
MD - Modification | 2010-12-17 | 2011-01-04 | G - Granted |
| Mon 2007-11-26 | KI4ZYJ | 4 / VA | MORROW, SHAWN D | 0003238964 I - Online |
MD - Modification | 2007-11-27 | 2007-12-14 | G - Granted |
| Wed 2004-02-11 | KI4DUX | 4 / TN | Sam Davis Memorial CW Club | 0001613050 I - Online |
MD - Modification | 2004-02-12 | 2004-03-02 | G - Granted |