Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N0TBO callsign genealogy
Currently held by ALLEN, LONNIE H
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 N0TBO's current licensee, walking backwards.
- ALLEN, LONNIE HMOgranted 2001-08-06cancelled 2008-11-14
Successor callsigns
Callsigns held now by people who previously held N0TBO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N0TBO, oldest first.
- ALLEN, LONNIE H MO2002-03-19 → cancelled 2002-06-25
- ALLEN, LONNIE H MO2018-09-07 active