Confidence: Medium · Source: FCC ULS · As of 2026-09-10
K5COH
ActiveYoo, Dongwon
- Location
- Billerica, MA
- Class
- Technician
- Granted
- 2025-06-17
- Expires
- 2035-06-17
- Previous call
- KC1TEO
- FRN
- 0033872144
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Vanity availability
HeldCurrently held
K5COH is held by an active license; it isn't a vanity slot right now.
Vanity availability dates are computed from FCC §97.19's hold periods: 2 years from the cancellation date for cancelled or terminated licenses, 4 years from the expiration date for expired licenses (2-year renewal grace + 2-year hold).
Callsign genealogy
Full chain →Previously held by current licensee
- Yoo, DongwonMAgranted 2023-07-11cancelled 2025-06-17
License history
0 eventsNo recorded events.