Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AF4NL callsign genealogy
Currently held by SHAFFER, SAM P
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 AF4NL's current licensee, walking backwards.
- SHAFFER, SAM Pcancelled 1999-02-21
Successor callsigns
Callsigns held now by people who previously held AF4NL.
No current licensee on record previously held this callsign.