Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC5SK callsign genealogy
Currently held by PREHM, LESTER P
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 AC5SK's current licensee, walking backwards.
- PREHM, LESTER Pcancelled 1999-03-22
Successor callsigns
Callsigns held now by people who previously held AC5SK.
- PREHM, LESTER PARgranted 2021-03-10