Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KA0QNR callsign genealogy
Currently held by Leiferman, James
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 KA0QNR's current licensee, walking backwards.
- Leiferman, James CSDgranted 2021-04-26cancelled 2021-05-14
Successor callsigns
Callsigns held now by people who previously held KA0QNR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KA0QNR, oldest first.
- LEIFERMAN, JAMES C SD1988-01-12 → cancelled 2000-01-13
- Leiferman, James SD2021-05-14 active