Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K1XII callsign genealogy
Currently held by SHAFER, SAMUEL
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 K1XII's current licensee, walking backwards.
- SHAFER, SAMUELILgranted 2025-01-08cancelled 2025-01-28
Successor callsigns
Callsigns held now by people who previously held K1XII.
No current licensee on record previously held this callsign.