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

N4FDX

Active

MILLS, DONALD L

Location: ARLINGTON, TN
Class: Technician
Granted: 2019-12-27
Expires: 2030-03-19
Previous call: K4RYY
FRN: 0002589398

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Vanity availability

Held

Currently held

N4FDX 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

K4RYYcancelled· T
MILLS, DONALD LTNgranted 2002-03-07cancelled 2010-03-19
KE4TNKcancelled· T
MILLS, DONALD LKYgranted 1994-12-12cancelled 2002-03-07

License history

0 events

No recorded events.

More vanity slots coming available

From Tennessee

All →

KG4TWC 2026-09-10
KK4LNE 2026-09-10
KK4LNK 2026-09-10
KQ4TPH 2026-09-10
KQ4UUA 2026-09-10

Starting with N4

All →

N4WKB FL · 2026-09-10
N4MOC GA · 2026-09-14
N4YTT KY · 2026-09-14
N4PWQ TN · 2026-09-17
N4RIM NC · 2026-09-21

Full history → Vanity availability → Callsign genealogy →