Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W0PRN callsign genealogy
Currently held by WISSLER, NORRIS F
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 W0PRN's current licensee, walking backwards.
- Keyser, William EIAgranted 2014-01-24cancelled 2022-02-23
Successor callsigns
Callsigns held now by people who previously held W0PRN.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W0PRN, oldest first.
- WISSLER, NORRIS F ND1994-12-08 → cancelled 2000-02-10
- Keyser, William E KS2022-02-23 active