Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7CEM callsign genealogy
Currently held by Lamb, Susan A
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 W7CEM's current licensee, walking backwards.
- Lamb, Susan AORgranted 2016-04-22cancelled 2016-05-14
Successor callsigns
Callsigns held now by people who previously held W7CEM.
No current licensee on record previously held this callsign.