Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WA1PEI callsign genealogy
Currently held by KROFSSIK SR, JONATHAN W
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 WA1PEI's current licensee, walking backwards.
- KROFSSIK SR, JONATHAN Wcancelled 1998-07-15
Successor callsigns
Callsigns held now by people who previously held WA1PEI.
No current licensee on record previously held this callsign.