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

AD4HM

Active

FREY, DAVID R

Location: CHAPIN, SC
Class: Amateur Extra
Granted: 2025-11-22
Expires: 2035-11-22
Previous call: KQ4KT
FRN: 0009666454

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

Vanity availability

Held

Currently held

AD4HM 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

KQ4KT
no FCC ULS record on file

License history

0 events

No recorded events.

More vanity slots coming available

From South Carolina

All →

KQ4URH 2026-09-10
KG4VBH 2026-09-12
KK4LOZ 2026-09-13
KK4LPA 2026-09-13
KK4LPE 2026-09-13

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 →