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

KR4VT

Active

Tharp, Robert E

Location: Louisville, KY
Class: Amateur Extra
Granted: 2021-08-03
Expires: 2031-10-22
Previous call: KD4BCR
FRN: 0003920865

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

Vanity availability

Held

Currently held

KR4VT 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

KD4BCR
no FCC ULS record on file

License history

0 events

No recorded events.

More vanity slots coming available

From Kentucky

All →

KK4LMJ 2026-09-09
KD4STD 2026-09-10
KK4LMT 2026-09-10
KG4VAS 2026-09-11
KG4VAT 2026-09-11

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 →