Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KD4RNR callsign genealogy
Currently held by LEWANDOWSKI II, WILLIAM E
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 KD4RNR's current licensee, walking backwards.
- Reed, Ryan NALgranted 2021-05-26cancelled 2021-06-15
Successor callsigns
Callsigns held now by people who previously held KD4RNR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KD4RNR, oldest first.
- LEWANDOWSKI II, WILLIAM E GA1992-07-28 → cancelled 2004-07-29
- Reed, Ryan N AL2021-06-15 active