Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4PPP callsign genealogy
Currently held by BOLSCHWIG, HENRY 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 K4PPP's current licensee, walking backwards.
- Williams, Jeremy LVAgranted 2014-10-24cancelled 2014-11-14
Successor callsigns
Callsigns held now by people who previously held K4PPP.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4PPP, oldest first.
- BOLSCHWIG, HENRY A FL1997-06-17 → cancelled 2009-06-18
- Williams, Jeremy L VA2024-09-19 active