Confidence: Medium · Source: FCC ULS · As of 2026-09-10

AD4PF

Active

Simpson, Billy H

Location: DYERSBURG, TN
Class: Amateur Extra
Granted: 2023-11-28
Expires: 2034-01-18
Previous call: KD4LFX
FRN: 0005687926

Get notified about status changes and vanity availability for this callsign.

Vanity availability

Held

Currently held

AD4PF 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

KD4LFX
no FCC ULS record on file

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 AD4

All →

AD4ED GA · 2026-12-03
AD4XA SC · 2027-02-01
AD4WN NC · 2027-03-01
AD4EE FL · 2027-03-11
AD4BT NC · 2027-03-15

Full history → Vanity availability → Callsign genealogy →