Confidence: Medium · Source: FCC ULS · As of 2026-09-09
W4ISR
ActiveIsrailewich, Jorge L
- Location
- Aventura, FL
- Class
- General
- Granted
- 2022-03-12
- Expires
- 2032-03-12
- Previous call
- KO4WEK
- FRN
- 0029804994
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Vanity availability
HeldCurrently held
W4ISR 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
- Israilewich, Jorge LFLgranted 2022-01-24cancelled 2022-03-12
License history
0 eventsNo recorded events.