Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K3JRR callsign genealogy
Currently held by HARRISON JR, LAWRENCE 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 K3JRR's current licensee, walking backwards.
- RAU, JUSTIN RPAgranted 2025-05-14cancelled 2026-01-24
Successor callsigns
Callsigns held now by people who previously held K3JRR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K3JRR, oldest first.
- HARRISON JR, LAWRENCE T VA2013-06-06 → cancelled 2025-08-26
- RAU, JUSTIN R PA2026-01-24 active