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

AA1HY

Active

Yu, Heindrick

Location: Irvine, CA
Class: Amateur Extra
Granted: 2026-02-10
Expires: 2036-02-26
Previous call: AI6NP
FRN: 0025176744

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

Vanity availability

Held

Currently held

AA1HY 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

AI6NPcancelled· E
Yu, HeindrickCAgranted 2016-01-05cancelled 2016-02-26
KK6ZSBcancelled· E
Yu, HeindrickCAgranted 2016-01-05cancelled 2016-02-08

Prior holders later became

WW1Icancelled· E
HOSA JR, ADAM ECTgranted 2002-04-04cancelled 2009-12-15

License history

0 events

No recorded events.

More vanity slots coming available

From California

All →

AG6QB 2026-09-11
KC6OMJ 2026-09-11
KG6NES 2026-09-11
KG6NET 2026-09-11
KJ6ZPK 2026-09-11

Starting with AA1

All →

AA1ED TX · 2026-09-24
AA1TC GA · 2026-09-24
AA1TQ NH · 2026-10-12
AA1CK MA · 2026-10-18
AA1DU MA · 2026-10-28

Full history → Vanity availability → Callsign genealogy →