Confidence: Medium · Source: FCC ULS · As of 2026-09-11

KZ4RDX

Active

CALIENDO, STEPHEN P

Location: HICKORY, NC
Class: Amateur Extra
Granted: 2016-11-15
Expires: 2026-11-15
Previous call: KC4SC
FRN: 0004903381

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

Vanity availability

Held

Currently held

KZ4RDX 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

KC4SCcancelled· E
CALIENDO, STEPHEN PNCgranted 2007-11-24cancelled 2016-11-15
N1ICGcancelled· E
CALIENDO, STEPHEN PNCgranted 2001-11-19cancelled 2007-11-24
KA1QQJ
no FCC ULS record on file

License history

0 events

No recorded events.

More vanity slots coming available

From North Carolina

All →

KK4LPI 2026-09-13
KK4LPJ 2026-09-13
KQ4QFF 2026-09-13
KQ4RZZ 2026-09-13
W4QDZ 2026-09-13

Starting with KZ4

All →

KZ4FM KY · 2026-09-21
KZ4JU NC · 2026-09-24
KZ4LG GA · 2026-09-28
KZ4FS FL · 2026-10-16
KZ4BO VA · 2026-10-25

Full history → Vanity availability → Callsign genealogy →