Confidence: Medium · Source: FCC ULS · As of 2026-09-11
WD4CPU callsign genealogy
Currently held by Heggood, Stephen 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 WD4CPU's current licensee, walking backwards.
- Heggood, Stephen LSCgranted 2017-08-08cancelled 2020-06-05
Successor callsigns
Callsigns held now by people who previously held WD4CPU.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WD4CPU, oldest first.
- WALKER, PHILIP K TN1998-01-09 → cancelled 2010-01-12
- Heggood, Stephen L SC2020-06-05 active