Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W9AP callsign genealogy
Currently held by RONK, ROBERT R
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 W9AP's current licensee, walking backwards.
- RONK, ROBERT RWIgranted 2014-09-24cancelled 2019-07-02
Successor callsigns
Callsigns held now by people who previously held W9AP.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W9AP, oldest first.
- NORTH SUBURBAN RADIO CLUB IL2007-05-31 → cancelled 2019-06-13
- RONK, ROBERT R WI2019-07-02 active