Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7XLM callsign genealogy
Currently held by Sperling, Bryan L
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 W7XLM's current licensee, walking backwards.
- Sperling, Bryan LIDgranted 2024-01-23cancelled 2024-04-06
Successor callsigns
Callsigns held now by people who previously held W7XLM.
No current licensee on record previously held this callsign.