Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC5YH callsign genealogy
Currently held by KLEINLEIN, STEVEN B
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 AC5YH's current licensee, walking backwards.
- KLEINLEIN, STEVEN BTXgranted 1996-08-16cancelled 2000-06-14
Successor callsigns
Callsigns held now by people who previously held AC5YH.
No current licensee on record previously held this callsign.