Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N0CHB callsign genealogy
Currently held by Nachbar, Joshua
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 N0CHB's current licensee, walking backwards.
- Nachbar, JoshuaDEgranted 2025-04-12cancelled 2025-07-29
Successor callsigns
Callsigns held now by people who previously held N0CHB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N0CHB, oldest first.
- ROLF, CHARLES P CO2005-08-30 → cancelled 2017-11-29
- Nachbar, Joshua DE2025-07-29 active