Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4SHS callsign genealogy
Currently held by schulman, stan H
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 K4SHS's current licensee, walking backwards.
- SCHULMAN, STANLEY HVAgranted 2021-06-07cancelled 2021-08-31
Successor callsigns
Callsigns held now by people who previously held K4SHS.
No current licensee on record previously held this callsign.