Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W3UNO callsign genealogy
Currently held by DERR, JENNINGS J
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 W3UNO's current licensee, walking backwards.
- Lichtenwalner Jr, Houstin LPAgranted 2010-01-04cancelled 2010-01-22
Successor callsigns
Callsigns held now by people who previously held W3UNO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W3UNO, oldest first.
- DERR, JENNINGS J PA2000-01-29 → cancelled 2004-12-06
- LICHTENWALNER JR, HOUSTIN L PA2019-12-11 active