Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KD8TJB callsign genealogy
Currently held by Scharfenberg, Matthew J
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 KD8TJB's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KD8TJB.
No current licensee on record previously held this callsign.