Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4JRF callsign genealogy
Currently held by Farmer Jr, Joel 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 W4JRF's current licensee, walking backwards.
- Farmer Jr, Joel RNCgranted 2022-07-16cancelled 2022-09-30
Successor callsigns
Callsigns held now by people who previously held W4JRF.
- Friedel, Jonathan RNCgranted 2018-06-26cancelled 2020-06-23
All historical holders
Every license row we've seen with the callsign W4JRF, oldest first.
- SEIFERT, LEWIS H FL1998-09-01 → cancelled 2004-06-11
- Friedel, Jonathan R NC2015-11-10 → cancelled 2018-06-26
- Farmer Jr, Joel R NC2022-09-30 active