Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W3LNM callsign genealogy
Currently held by Backus, John 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 W3LNM's current licensee, walking backwards.
- Backus, Sarah AMDgranted 2005-10-28cancelled 2006-01-24
Successor callsigns
Callsigns held now by people who previously held W3LNM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W3LNM, oldest first.
- Backus, John A MD2004-04-27 → cancelled 2005-07-12
- Backus, Sarah A MD2015-10-28 active