Confidence: Medium · Source: FCC ULS · As of 2026-09-09
K4UDP
ExpiredTreftz, Kristjan K
- Location
- Hernando, FL
- Class
- General
- Granted
- 2012-10-05
- Expires
- 2022-10-05
- Previous call
- KJ4QMY
- FRN
- 0019308923
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Vanity availability
25dAvailable on 2026-10-04
K4UDP expired on 2022-10-05. Hold ends in 25 days.
Last held by Treftz, Kristjan K (FL).
Confidence: High
Expired licenses get a 2-year FCC renewal grace period followed by the 2-year hold. The date shown accounts for both, so it's the firm release date per §97.19.
Callsign genealogy
Full chain →Previously held by current licensee
- Treftz, Kristjan KFLgranted 2009-11-17cancelled 2012-10-05
License history
0 eventsNo recorded events.