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

KN4ZMA

Cancelled

Walberg, Sean

Location: Springfield, VA
Class: Amateur Extra
Granted: 2019-10-30
Expires: 2029-10-30
FRN: 0028920957

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

Vanity availability

Available

Available now

KN4ZMA cleared its 2-year hold on 2024-09-30. Eligible for vanity application.

Last held by Walberg, Sean (VA).

Confidence: High

Cancelled licenses begin the 2-year hold immediately, so this date is the firm release date per §97.19. Already past — fileable subject to FCC verification.

Callsign genealogy

Full chain →

Prior holders later became

N3RTWactive· E
Walberg, SeanVAgranted 2022-10-01

License history

0 events

No recorded events.

More vanity slots coming available

From Virginia

All →

KK4LMX 2026-09-10
KQ4GPU 2026-09-10
KG4VBI 2026-09-12
W4CVH 2026-09-12
KQ4URY 2026-09-13

Starting with KN4

All →

KN4ZVG FL · 2026-09-17
KN4LGK GA · 2026-09-21
KN4VXC NC · 2026-09-21
KN4RPM VA · 2026-10-07
KN4GAM GA · 2026-10-12

Full history → Vanity availability → Callsign genealogy →