Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N3JJC callsign genealogy
Currently held by Clark IV, John J
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 N3JJC's current licensee, walking backwards.
- Clark IV, John JPAgranted 2010-12-07cancelled 2016-01-05
Successor callsigns
Callsigns held now by people who previously held N3JJC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N3JJC, oldest first.
- EVERETT, ROBERT J DE2001-03-23 → cancelled 2013-05-08
- Clark IV, John J PA2016-01-05 active