Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W9ZC callsign genealogy
Currently held by PRATT, ROBERT E
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 W9ZC's current licensee, walking backwards.
- Wright, Larry RILgranted 2019-03-22cancelled 2019-06-11
Successor callsigns
Callsigns held now by people who previously held W9ZC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W9ZC, oldest first.
- PRATT, ROBERT E WI2007-03-09 → cancelled 2019-05-21
- Wright, Larry R IL2019-06-11 active