Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N0LSB callsign genealogy
Currently held by DOUGLAS, MICHAEL W
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 N0LSB's current licensee, walking backwards.
- Bailey, Larry SARgranted 2004-07-01cancelled 2013-09-10
Successor callsigns
Callsigns held now by people who previously held N0LSB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N0LSB, oldest first.
- DOUGLAS, MICHAEL W CO1990-03-27 → cancelled 2002-03-28
- Bailey, Larry S MO2023-09-15 active