Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4PGG callsign genealogy
Currently held by Gerling, Philippe
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 W4PGG's current licensee, walking backwards.
- Gerling, PhilippeFLgranted 2015-10-22cancelled 2015-11-10
Successor callsigns
Callsigns held now by people who previously held W4PGG.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4PGG, oldest first.
- PETERSON, ROBERT O FL1988-03-29 → cancelled 2000-03-30
- Gerling, Philippe FL2025-10-01 active