Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N3PSP callsign genealogy
Currently held by Barr, Timothy L
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 N3PSP's current licensee, walking backwards.
- Barr, Timothy LPAgranted 2013-07-17cancelled 2016-09-02
Successor callsigns
Callsigns held now by people who previously held N3PSP.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N3PSP, oldest first.
- SLADE II, WILLIAM F PA2004-05-19 → cancelled 2015-07-21
- Barr, Timothy L PA2026-06-10 active