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

KZ5MH

Active

Harmon, Matthew G

Location: Oak Ridge, TN
Class: Amateur Extra
Granted: 2025-09-06
Expires: 2035-09-06
Previous call: KZ4UZ
FRN: 0008537250

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

Vanity availability

Held

Currently held

KZ5MH 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

KZ4UZcancelled· E
Harmon, Matthew GTNgranted 2017-06-23cancelled 2025-09-06
WB4VFLcancelled· E
Harmon, Matthew GTNgranted 2017-06-23cancelled 2025-07-17
WB4VOLactive· G
Burnette, Billy JTNgranted 2024-06-18

License history

0 events

No recorded events.

More vanity slots coming available

From Tennessee

All →

KG4TWC 2026-09-10
KK4LNE 2026-09-10
KK4LNK 2026-09-10
KQ4TPH 2026-09-10
KQ4UUA 2026-09-10

Starting with KZ5

All →

KZ5HAM OR · 2027-02-28
KZ5CZ FL · 2027-03-25
KZ5A NM · 2027-07-01
KZ5HCK TX · 2028-01-06

Full history → Vanity availability → Callsign genealogy →