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

W0KO

Active

BERTELT, M Fritz

Location: Mandan, ND
Class: Amateur Extra
Granted: 2026-08-11
Expires: 2036-11-04
Previous call: K0MAH
FRN: 0005605480

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Vanity availability

Held

Currently held

W0KO 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

K0MAHactive· G
BERTELT, JUDITH MNDgranted 2020-04-27
N0GFEcancelled· G
BERTELT, JUDITH MMNgranted 2000-05-02cancelled 2000-07-04
KA0TMZ
no FCC ULS record on file

License history

0 events

No recorded events.

More vanity slots coming available

From North Dakota

All →

KF0KSQ 2026-09-17
KC0ODC 2026-09-24
KD0STW 2026-09-24
KB0IIX 2026-09-25
KE0LLR 2026-10-05

Starting with W0

All →

W0GAB MO · 2026-09-16
W0SCL CO · 2026-09-17
W0DMY KS · 2026-09-20
W0CVF CO · 2026-09-23
W0KLD MO · 2026-09-24

Full history → Vanity availability → Callsign genealogy →