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

W0OS

Active

Grettum, James A

Location: Pelican Rapids, MN
Class: Amateur Extra
Granted: 2017-05-19
Expires: 2027-06-26
Previous call: KC0YHO
FRN: 0015398068

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Vanity availability

Held

Currently held

W0OS 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

KC0YHOcancelled· E
Grettum, James ANDgranted 2006-08-16cancelled 2007-06-26

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 →