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

KO4TH

Active

Ungemach, Robert R

Location
Osprey, FL
Class
Amateur Extra
Granted
2021-12-04
Expires
2031-12-04
Previous call
KO4THQ
FRN
0031364649
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Vanity availability

Held

Currently held

KO4TH 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. KO4THQcancelled· E
    Ungemach, Robert RFLgranted 2021-09-14cancelled 2021-12-04

Prior holders later became

  1. W9FAWexpired· A
    PEEK JR, LEVIN JFLgranted 1997-07-14cancelled 2009-07-15

License history

0 events

No recorded events.

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Full history → Vanity availability → Callsign genealogy →