Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W0PSN callsign genealogy
Currently held by Krentzel, Kirk L
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 W0PSN's current licensee, walking backwards.
- Krentzel, Kirk LAZgranted 2026-03-10
Successor callsigns
Callsigns held now by people who previously held W0PSN.
- Krentzel, Kirk LAZgranted 2026-03-10
All historical holders
Every license row we've seen with the callsign W0PSN, oldest first.
- KRENTZEL, DONALD L AZ1995-03-03 → cancelled 2007-03-06
- Krentzel, Kirk L AZ2020-07-28 → cancelled 2026-03-10