Confidence: Medium · Source: FCC ULS · As of 2026-09-09
K4CFU
ActiveStamper Jr, Robert K
- Location
- Hudson, FL
- Class
- General
- Granted
- 2023-01-28
- Expires
- 2033-02-20
- Previous call
- KF4FUP
- FRN
- 0011707361
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Vanity availability
HeldCurrently held
K4CFU 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
- Stamper Jr, Robert KTNgranted 2006-07-07cancelled 2013-02-20
License history
0 eventsNo recorded events.