Confidence: Medium · Source: FCC ULS · As of 2026-09-14
NC4OH callsign genealogy
Currently held by Lamb, Thomas J
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 NC4OH's current licensee, walking backwards.
- Lamb, Thomas JNCgranted 2008-03-06cancelled 2011-01-22
Successor callsigns
Callsigns held now by people who previously held NC4OH.
- Lamb, Thomas JOHgranted 2020-07-03