Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K2RRX callsign genealogy
Currently held by MATHIS, HARRY I
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 K2RRX's current licensee, walking backwards.
- Delano III, Philip LNJgranted 2014-03-20cancelled 2016-07-02
Successor callsigns
Callsigns held now by people who previously held K2RRX.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K2RRX, oldest first.
- MATHIS, HARRY I NJ1996-04-04 → cancelled 2008-04-05
- DELANO, PHIL L NJ2026-06-12 active