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

AD4Y

Expired

LIN, SI HONG

Location: ARLINGTON, VA
Class: Amateur Extra
Granted: 1999-02-23
Expires: 2009-02-23
Previous call: AF4MX

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

Vanity availability

Unknown

Status unknown

No vanity-slot record on file for AD4Y. Either it has never been issued, is currently held by an active license, or hasn't been re-computed since its last freeing event.

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

AD4BPactive· E
PURYEAR, ROBERT ESCgranted 2022-06-04
KG4REPcancelled· E
PURYEAR, ROBERT ESCgranted 2022-01-28cancelled 2022-06-04
KO4VVPcancelled· G
Puryear, Robert ESCgranted 2022-01-10cancelled 2022-01-28

Prior holders later became

N4NMactive· E
LEWIS, CHARLES MALgranted 2026-09-05
WZ1Ycancelled· E
ORAMA, MIGUELFLgranted 2016-03-11cancelled 2016-09-28

License history

0 events

No recorded events.

More vanity slots coming available

From Virginia

All →

KB3ZEV 2026-09-09
KK4LMC 2026-09-09
KK4LMF 2026-09-09
KK4LMX 2026-09-10
KQ4GPU 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 →