Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4PP callsign genealogy
Currently held by THOMPSON, ANDREW F
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 W4PP's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held W4PP.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4PP, oldest first.
- THOMPSON, ANDREW F GA1990-10-23 → cancelled 2002-10-24
- HOFF, DAVID C NY2022-09-20 active