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

W9OTC

Active

KOLBERG, MATTHEW S

Location
POPLAR GROVE, IL
Class
General
Granted
2021-04-06
Expires
2031-04-06
Previous call
KB9JHF
FRN
0002908895
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Vanity availability

Held

Currently held

W9OTC 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

  1. KB9JHFcancelled· G
    KOLBERG, MATTHEW SILgranted 2014-11-14cancelled 2021-04-06

License history

0 events

No recorded events.

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