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

AD4TM

Active

Calhoun Jr, Ralph V

Location: Shalimar, FL
Class: Amateur Extra
Granted: 2022-12-23
Expires: 2032-12-23
Previous call: KO4PCP
FRN: 0030337448

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

Vanity availability

Held

Currently held

AD4TM 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

KO4PCPcancelled· E
Calhoun Jr, Ralph VFLgranted 2021-04-06cancelled 2022-12-23

Prior holders later became

WB4Hactive· E
BENNETT JR, FREDERICK EVAgranted 2020-04-03

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 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 →