Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WB7DRL callsign genealogy
Currently held by MENDERSHAUSEN, LAMBERT G
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 WB7DRL's current licensee, walking backwards.
- LEHR, DIMITRI RORgranted 2014-08-27cancelled 2023-07-18
Successor callsigns
Callsigns held now by people who previously held WB7DRL.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WB7DRL, oldest first.
- MENDERSHAUSEN, LAMBERT G NV1988-07-26 → cancelled 2000-07-27
- Lehr, Dimitri R OR2023-07-18 active