Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KD4TAC callsign genealogy
Currently held by Cavanaugh, Todd A
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 KD4TAC's current licensee, walking backwards.
- Cavanaugh, Todd AVAgranted 2018-10-02cancelled 2018-10-23
Successor callsigns
Callsigns held now by people who previously held KD4TAC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KD4TAC, oldest first.
- BENSON, JOE M TN1992-09-22 → cancelled 2004-09-23
- Cavanaugh, Todd A VA2018-10-23 active