Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KQ0R callsign genealogy
Currently held by STEVENS, LEONARD
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 KQ0R's current licensee, walking backwards.
- Concannon Jr, Robert ENDgranted 2005-05-27cancelled 2011-10-08
Successor callsigns
Callsigns held now by people who previously held KQ0R.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KQ0R, oldest first.
- STEVENS, LEONARD WI1996-05-29 → cancelled 2008-05-30
- Concannon JR, Robert E CO2021-08-17 active