Confidence: Medium · Source: FCC ULS · As of 2026-09-12
ND3K callsign genealogy
Currently held by RICHARDS SR, JOSEPH
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 ND3K's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held ND3K.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign ND3K, oldest first.
- RICHARDS SR, JOSEPH PA1996-06-07 → cancelled 2008-06-10
- Kelley, David F PA2018-05-09 active