Confidence: Medium · Source: FCC ULS · As of 2026-09-10
KO6MRF
CancelledSheen, John P
- Location
- Yuba City, CA
- Class
- Technician
- Granted
- 2026-02-28
- Expires
- 2036-02-28
- FRN
- 0037899515
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Vanity availability
588dAvailable on 2028-04-20
KO6MRF cancelled on 2026-04-21. Hold ends in 588 days.
Last held by Sheen, John P (CA).
Confidence: High
Cancelled licenses begin the 2-year hold immediately on the cancellation date, so this is the firm release date per §97.19.
Callsign genealogy
Full chain →Prior holders later became
- Sheen, John PCAgranted 2026-04-21
License history
0 eventsNo recorded events.