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

KR4IF

Active

Zettwoch, Larry V

Location: ISLAMORADA, FL
Class: Amateur Extra
Granted: 2023-09-26
Expires: 2033-11-23
Previous call: KD4BHU
FRN: 0005682588

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

Vanity availability

Held

Currently held

KR4IF 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

KD4BHU
no FCC ULS record on file

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 KR4

All →

KR4AAB AL · 2027-01-11
KR4ABQ FL · 2027-01-17
KR4BBR FL · 2027-01-17
KR4ACS VA · 2027-01-18
KR4ADZ FL · 2027-01-22

Full history → Vanity availability → Callsign genealogy →