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Confidence: Medium · Source: FCC ULS · As of 2026-09-12

KU8F callsign genealogy

Currently held by NEFF, TIM J

The FCC publishes a previous_call_sign on every amateur license — a self-link to the licensee's prior callsign. Following those links produces the chain below.

Previous callsigns

Older callsigns held by KU8F's current licensee, walking backwards.

  1. K7CHLcancelled· E
    HADFIELD, JAMES TMIgranted 2011-01-04cancelled 2012-12-22
  2. KD8MTOcancelled· G
    Hadfield, James TMIgranted 2009-12-22cancelled 2011-01-04

Successor callsigns

Callsigns held now by people who previously held KU8F.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign KU8F, oldest first.

  • NEFF, TIM J OH
    1995-10-20 → cancelled 2007-10-23
  • HADFIELD, JAMES T MI
    2022-11-09 active