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

W0MPB

Active

Karstens, Justin J

Location: Buffalo, MN
Class: General
Granted: 2022-12-24
Expires: 2032-12-24
Previous call: KF0KZH
FRN: 0033055690

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Vanity availability

Held

Currently held

W0MPB 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

KF0KZHcancelled· G
Karstens, Justin JMNgranted 2022-12-06cancelled 2022-12-24

License history

0 events

No recorded events.

More vanity slots coming available

From Minnesota

All →

AB0UX 2026-09-10
KD0TBF 2026-09-10
KD5TUA 2026-09-11
N0SRJ 2026-09-14
KC0OBE 2026-09-15

Starting with W0

All →

W0RMH CO · 2026-09-09
W0GAB MO · 2026-09-16
W0SCL CO · 2026-09-17
W0DMY KS · 2026-09-20
W0CVF CO · 2026-09-23

Full history → Vanity availability → Callsign genealogy →