Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W9KAP callsign genealogy
Currently held by Kapitany, Joseph M
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 W9KAP's current licensee, walking backwards.
- Kapitany, Joseph MILgranted 2018-10-30cancelled 2018-11-20
Successor callsigns
Callsigns held now by people who previously held W9KAP.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W9KAP, oldest first.
- KNASINSKI, MAX S WI1997-10-10 → cancelled 2009-10-14
- Kapitany, Joseph M IL2018-11-20 active