Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W1JRR callsign genealogy
Currently held by Rostron, Jeffrey R
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 W1JRR's current licensee, walking backwards.
- Rostron, Jeffrey RMAgranted 2010-02-08cancelled 2012-01-14
Successor callsigns
Callsigns held now by people who previously held W1JRR.
No current licensee on record previously held this callsign.