Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W1CSL callsign genealogy
Currently held by LAMARSH, CHRISTOPHER S
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 W1CSL's current licensee, walking backwards.
- LAMARSH, CHRISTOPHER SRIgranted 1994-01-04cancelled 2002-05-28
Successor callsigns
Callsigns held now by people who previously held W1CSL.
No current licensee on record previously held this callsign.