Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4PTR callsign genealogy
Currently held by BICKENBACH, JERRY B
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 N4PTR's current licensee, walking backwards.
- Roberts, Thomas PNCgranted 2026-01-31cancelled 2026-03-20
Successor callsigns
Callsigns held now by people who previously held N4PTR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4PTR, oldest first.
- BICKENBACH, JERRY B AL2006-12-19 → cancelled 2019-03-14
- Roberts, Thomas P NC2026-03-20 active