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

K4TN callsign genealogy

Currently held by KIERSTEAD, FRED D

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 K4TN's current licensee, walking backwards.

  1. KG4KSOcancelled
    BRANDON AMATEUR RADIO SOCIETYFLgranted 2000-12-05cancelled 2001-05-01

Successor callsigns

Callsigns held now by people who previously held K4TN.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign K4TN, oldest first.

  • KIERSTEAD, FRED D FL
    1999-11-16 → cancelled 2001-01-01
  • BRANDON AMATEUR RADIO SOCIETY FL
    2021-01-05 active
← Back to K4TN License history →