Confidence: Medium · Source: FCC ULS · As of 2026-09-10
KO6IOS
CancelledRIGHTER, DEREK R
- Location
- Irvine, CA
- Class
- Technician
- Granted
- 2025-03-28
- Expires
- 2035-03-28
- FRN
- 0006737845
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Vanity availability
220dAvailable on 2027-04-19
KO6IOS cancelled on 2025-04-19. Hold ends in 220 days.
Last held by RIGHTER, DEREK R (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
- RIGHTER, DEREK RCAgranted 2025-04-19
License history
0 eventsNo recorded events.