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

N9ZU

Active

Osorio, Cesar A

Location: Marco island, FL
Class: Amateur Extra
Granted: 2021-07-28
Expires: 2031-10-18
Previous call: NZ9L
FRN: 0020045407

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

Vanity availability

Held

Currently held

N9ZU 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

NZ9Lexpired· E
KOORS, MARK AINgranted 2013-11-15cancelled 2026-03-07
N9PWIcancelled· E
KOORS, MARK AINgranted 2012-04-09cancelled 2013-11-15

Prior holders later became

KD9XMactive· E
Ryan, Patrick LWIgranted 2019-08-10

License history

0 events

No recorded events.

More vanity slots coming available

From Florida

All →

K4CYG 2026-09-10
K4YDD 2026-09-10
KG4QXI 2026-09-10
KG4RVV 2026-09-10
KG4VAB 2026-09-10

Starting with N9

All →

N9OSM IN · 2026-09-11
N9ZRB WI · 2026-09-13
N9BG FL · 2026-09-17
N9IDT IL · 2026-09-20
N9MDQ IL · 2026-09-20

Full history → Vanity availability → Callsign genealogy →