| Callsign | K4SO |
|---|---|
| Radio Service | HV - Vanity |
| License Status | A - Active |
| Grant Date | 2026-08-12 |
| Effective Date | 2026-08-12 |
| Expire Date | 2036-11-04 |
| Cancel Date | |
| Last Action Date | 2026-08-12 |
| End Date | 2036-11-04 |
| Available Date | 2038-11-05 |
| Applicant Type | I - Individual |
| Entity Name | KILLMON, MARK C |
| Street Address / Locality | 14087 Carsons Way Amissville, VA 20106 |
| County | Rappahannock County |
| Zip Location | 38°41'57.6"N 78°00'08.0"W |
| Maidenhead | FM08xq |
| FRN | 0005398169 |
| Licensee ID/SGIN | L00401309 / 000 |
| Licensee Class | E - Amateur Extra |
| Callsign Group | A - 1x2 |
| ULS/Geo Region | 4 / 4 / VA |
| Prev Callsign / Prev Class | KX3Q A - Advanced |
| Next Callsign | |
| Trustee Callsign / Trustee Name | |
| Vanity Type | E - By List |
| ULS File Number | 0007370104 |
| Phonetic weight / Morse weight | 9 / 48 |
Administrative History
| Action Date | Action Type |
|---|---|
| 2006-07-27 | LIAUA - Administrative Update Applied |
| 2006-08-08 | LIREN - License Renewed |
| 2011-12-06 | LIAUA - Administrative Update Applied |
| 2016-08-08 | LIREN - License Renewed |
| 2026-08-12 | LIREN - License Renewed |