Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WB1ZPM callsign genealogy
Currently held by LEMBO, TIMOTHY
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 WB1ZPM's current licensee, walking backwards.
- LEMBO, TIMOTHYCTgranted 2017-11-13cancelled 2019-02-20
Successor callsigns
Callsigns held now by people who previously held WB1ZPM.
No current licensee on record previously held this callsign.