Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KF4UKE callsign genealogy
Currently held by LEWANDOWSKI JR, HENRY B
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 KF4UKE's current licensee, walking backwards.
- Franson, Kenneth WFLgranted 2026-04-16cancelled 2026-05-05
Successor callsigns
Callsigns held now by people who previously held KF4UKE.
- LEWANDOWSKI JR, HENRY BGAgranted 2017-08-25
All historical holders
Every license row we've seen with the callsign KF4UKE, oldest first.
- Franson, Kenneth W FL2026-05-05 active
- LEWANDOWSKI JR, HENRY B— → cancelled 1998-06-26