Confidence: Medium · Source: FCC ULS · As of 2026-09-12
ND4B callsign genealogy
Currently held by FORREN, JOSEPH W
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 ND4B's current licensee, walking backwards.
- Hunt, MarkKYgranted 2024-04-13cancelled 2024-05-21
Successor callsigns
Callsigns held now by people who previously held ND4B.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign ND4B, oldest first.
- FORREN, JOSEPH W WV2012-03-07 → cancelled 2024-04-30
- Hunt, Mark KY2024-05-21 active