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

KK4FSU callsign genealogy

Currently held by Hicks, Robert L

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 KK4FSU's current licensee, walking backwards.

  1. KK4BQNcancelled· T
    RIEGELS II, DONALD AGAgranted 2021-04-06cancelled 2021-04-23

Successor callsigns

Callsigns held now by people who previously held KK4FSU.

  1. KK4GKRexpired· G
    HICKS, ROBERT LGAgranted 2012-01-31cancelled 2023-12-16

All historical holders

Every license row we've seen with the callsign KK4FSU, oldest first.

  • Hicks, Robert L GA
    2011-12-15 → cancelled 2012-01-31
  • RIEGELS II, DONALD A GA
    2021-04-23 active
← Back to KK4FSU License history →