Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W9ACK callsign genealogy
Currently held by Ackermann, James P
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 W9ACK's current licensee, walking backwards.
- Ackermann, James PNVgranted 2019-06-19cancelled 2019-07-09
Successor callsigns
Callsigns held now by people who previously held W9ACK.
No current licensee on record previously held this callsign.