Confidence: Medium · Source: FCC ULS · As of 2026-09-12
ND4N callsign genealogy
Currently held by CHISM, JOHN E
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 ND4N's current licensee, walking backwards.
- DAVIS, JOHN MTNgranted 2017-05-04cancelled 2024-08-09
Successor callsigns
Callsigns held now by people who previously held ND4N.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign ND4N, oldest first.
- CHISM, JOHN E IN2012-05-07 → cancelled 2024-07-23
- DAVIS, JOHN M TN2024-08-09 active