Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4QBQ callsign genealogy
Currently held by CRUMPACKER, JOHN 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 W4QBQ's current licensee, walking backwards.
- CHALOUPKA, JAMES JFLgranted 2007-07-21cancelled 2014-07-25
Successor callsigns
Callsigns held now by people who previously held W4QBQ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4QBQ, oldest first.
- CRUMPACKER, JOHN R VA1995-12-08 → cancelled 2007-12-11
- CHALOUPKA, JAMES J FL2024-06-28 active