Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4STO callsign genealogy
Currently held by Stoker, Andrew R
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 K4STO's current licensee, walking backwards.
- Stoker, Andrew Rscgranted 2024-08-31cancelled 2024-09-21
Successor callsigns
Callsigns held now by people who previously held K4STO.
No current licensee on record previously held this callsign.