Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB8PI callsign genealogy
Currently held by KIEFER, ERNST K
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 AB8PI's current licensee, walking backwards.
- KIEFER, ERNST KMIgranted 2000-07-18cancelled 2002-07-01
Successor callsigns
Callsigns held now by people who previously held AB8PI.
- KIEFER, ERNST KMIgranted 2002-07-20cancelled 2014-07-22