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

AD4UM

Active

Riggs, Joe W

Location: Kingsport, TN
Class: Amateur Extra
Granted: 2024-01-04
Expires: 2034-03-29
Previous call: KR4PK
FRN: 0002622033

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

Vanity availability

Held

Currently held

AD4UM 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

KR4PKactive
District Seven Advisory Council Digital Radio ClubVAgranted 2016-02-17
KI4LINcancelled
District Seven Advisory Council Digital Radio ClubVAgranted 2005-08-11cancelled 2006-02-04

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 →