Confidence: Medium · Source: FCC ULS · As of 2026-09-11
KJ7RZU
ActiveRoisum, Thomas B
- Location
- Sun City West, AZ
- Class
- General
- Granted
- 2019-01-31
- Expires
- 2029-04-09
- Previous call
- KJ4LAV
- FRN
- 0009876319
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Vanity availability
HeldCurrently held
KJ7RZU 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
- Roisum, Thomas BAZgranted 2019-01-31cancelled 2020-11-04
License history
0 eventsNo recorded events.