Confidence: Medium · Source: FCC ULS · As of 2026-09-11
KR4DYI
CancelledSantos, Mark E
- Location
- Salt Springs, FL
- Class
- Technician
- Granted
- 2025-05-15
- Expires
- 2035-05-15
- FRN
- 0031821622
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Vanity availability
268dAvailable on 2027-06-06
KR4DYI cancelled on 2025-06-06. Hold ends in 268 days.
Last held by Santos, Mark E (FL).
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
- Santos, Mark EFLgranted 2025-06-06
License history
0 eventsNo recorded events.