Confidence: Medium · Source: FCC ULS · As of 2026-09-09

NA4DD

Active

GROSSMAN, DAVID T

Location: The Villages, FL
Class: Advanced
Granted: 2023-10-11
Expires: 2033-10-11
Previous call: NA3DG
FRN: 0003497625

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Vanity availability

Held

Currently held

NA4DD 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

NA3DGcancelled· A
GROSSMAN, DAVID TFLgranted 2023-09-19cancelled 2023-10-11
NA0DXcancelled· A
GROSSMAN, DAVID TFLgranted 2017-07-20cancelled 2023-09-19
WD0HNHcancelled· A
GROSSMAN, DAVID Tcancelled 1997-09-17

License history

0 events

No recorded events.

More vanity slots coming available

From Florida

All →

K4HCL 2026-09-09
KG4UZU 2026-09-09
KG4UZX 2026-09-09
KK4LMR 2026-09-09
W3EFZ 2026-09-09

Starting with NA4

All →

NA4SO GA · 2026-10-29
NA4LC VA · 2027-02-04
NA4CF FL · 2027-03-04
NA4CQ GA · 2027-12-15
NA4TJ FL · 2028-03-04

Full history → Vanity availability → Callsign genealogy →