Confidence: Medium · Source: FCC ULS · As of 2026-09-10
K4UBS
ActivePfeiffer, James E
- Location
- Milton, FL
- Class
- Technician
- Granted
- 2018-02-27
- Expires
- 2028-05-13
- Previous call
- KI4TNI
- FRN
- 0016107906
Sign in to watch
Get notified about status changes and vanity availability for this callsign.
Vanity availability
HeldCurrently held
K4UBS 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
- Pfeiffer Jr, James EFLgranted 2007-02-14cancelled 2008-05-13
License history
0 eventsNo recorded events.