Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W1MLS callsign genealogy
Currently held by SPENCER, MARTIN 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 W1MLS's current licensee, walking backwards.
- SPENCER, MARTIN LNCgranted 2016-03-21cancelled 2016-04-09
Successor callsigns
Callsigns held now by people who previously held W1MLS.
No current licensee on record previously held this callsign.