Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W9JRW callsign genealogy
Currently held by KRUEGER, RONALD 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 W9JRW's current licensee, walking backwards.
- Krueger, Ronald PWIgranted 2003-04-01cancelled 2003-04-29
Successor callsigns
Callsigns held now by people who previously held W9JRW.
- WILLIAMS, JOHN RSCgranted 2000-08-26cancelled 2004-01-31
All historical holders
Every license row we've seen with the callsign W9JRW, oldest first.
- Williams, John R SC1999-12-24 → cancelled 2000-08-26
- KRUEGER, RONALD P WI2023-04-04 active