Confidence: Medium · Source: FCC ULS · As of 2026-09-10
KR4JJC
CancelledMattos, Robert L
- Location
- Mclean, VA
- Class
- Technician
- Granted
- 2026-02-03
- Expires
- 2036-02-03
- FRN
- 0037957917
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Vanity availability
529dAvailable on 2028-02-21
KR4JJC cancelled on 2026-02-21. Hold ends in 529 days.
Last held by Mattos, Robert L (VA).
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
- Mattos, Robert LVAgranted 2026-02-21
License history
0 eventsNo recorded events.