Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4SP callsign genealogy
Currently held by Coyne Jr, Joseph T
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 N4SP's current licensee, walking backwards.
- Coyne Jr, Joseph TGAgranted 1999-08-27cancelled 2007-02-09
Successor callsigns
Callsigns held now by people who previously held N4SP.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4SP, oldest first.
- PAULL, STEPHEN MI2003-11-26 → cancelled 2004-12-28
- Coyne Jr, Joseph T GA2017-01-04 active