Confidence: Medium · Source: FCC ULS · As of 2026-09-09
WW4BM
ActiveLee, Moon Joo
- Location
- Palo Alto, CA
- Class
- Amateur Extra
- Granted
- 2019-06-28
- Expires
- 2029-06-28
- Previous call
- KM6UBE
- FRN
- 0027592542
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Vanity availability
HeldCurrently held
WW4BM 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
- Lee, Moon JooCAgranted 2018-06-18cancelled 2019-06-28
License history
0 eventsNo recorded events.