Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4TBO callsign genealogy
Currently held by LANE, MICHAEL F
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 N4TBO's current licensee, walking backwards.
- Snellgrove, Charles CFLgranted 2014-11-24cancelled 2015-06-09
Successor callsigns
Callsigns held now by people who previously held N4TBO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4TBO, oldest first.
- LANE, MICHAEL F AL1988-06-07 → cancelled 2000-06-09
- Snellgrove, Charles C FL2025-03-18 active