Confidence: Medium · Source: FCC ULS · As of 2026-09-09
AD0SC
ExpiredSiebert, Clifford L
- Location
- Fenton, MO
- Class
- Amateur Extra
- Granted
- 2014-04-12
- Expires
- 2024-04-12
- Previous call
- KD0ZDH
- FRN
- 0023359599
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Vanity availability
580dAvailable on 2028-04-11
AD0SC expired on 2024-04-12. Hold ends in 580 days.
Last held by Siebert, Clifford L (MO).
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
- Siebert, Clifford LMOgranted 2014-02-14cancelled 2014-04-12
License history
0 eventsNo recorded events.