Confidence: Medium · Source: FCC ULS · As of 2026-09-10
N4SRV
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Vanity availability
UnknownStatus unknown
No vanity-slot record on file for N4SRV. Either it has never been issued, is currently held by an active license, or hasn't been re-computed since its last freeing event.
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
Prior holders later became
- HEAVNER, MICHAEL WMDgranted 2008-04-17cancelled 2013-05-17
License history
0 eventsNo recorded events.