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

WN4MDN

Active

Borkowski, Matt J

Location: FORT PIERCE, FL
Class: Technician
Granted: 2021-10-05
Expires: 2031-10-05
Previous call: K4PRP
FRN: 0003132222

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

Vanity availability

Held

Currently held

WN4MDN 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

K4PRPcancelled· T
Borkowski, Matt JFLgranted 2013-10-17cancelled 2021-10-05
K9FHPactive· T
Groth, Barbara MFLgranted 2017-01-04
KM4ZPZcancelled· T
Groth, Barbara MFLgranted 2016-12-14cancelled 2017-01-04

License history

0 events

No recorded events.

More vanity slots coming available

From Florida

All →

K4HCL 2026-09-09
KG4UZU 2026-09-09
KG4UZX 2026-09-09
KK4LMR 2026-09-09
W3EFZ 2026-09-09

Starting with WN4

All →

WN4RAP MO · 2027-06-24
WN4ECW CO · 2027-07-19
WN4IHG FL · 2028-03-04

Full history → Vanity availability → Callsign genealogy →