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

AA4ZR

Active

ZONGKER, RANDALL K

Location: CHARLOTTE, NC
Class: Amateur Extra
Granted: 2017-08-03
Expires: 2027-10-10
Previous call: K4RKZ
FRN: 0015262520

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Vanity availability

Held

Currently held

AA4ZR 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

K4RKZactive· E
ZAVETZ, RANDY KSCgranted 2022-08-16
KI4NBAcancelled· G
ZAVETZ, RANDY KSCgranted 2005-12-22cancelled 2012-08-04

License history

0 events

No recorded events.

More vanity slots coming available

From North Carolina

All →

K4LWW 2026-09-10
K4ONS 2026-09-10
KG4TPH 2026-09-10
KK4LNB 2026-09-10
KK4LND 2026-09-10

Starting with AA4

All →

AA4NJ KY · 2026-09-28
AA4HU FL · 2027-01-04
AA4CI TN · 2027-02-04
AA4YC FL · 2027-03-15
AA4PL KY · 2027-06-21

Full history → Vanity availability → Callsign genealogy →