Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W5ARF callsign genealogy
Currently held by Feldman, Adam 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 W5ARF's current licensee, walking backwards.
- Feldman, Adam RTXgranted 2017-06-27cancelled 2017-07-18
Successor callsigns
Callsigns held now by people who previously held W5ARF.
- BROWN JR, RICHARD EOKgranted 2015-04-04cancelled 2015-04-24
All historical holders
Every license row we've seen with the callsign W5ARF, oldest first.
- BROWN JR, RICHARD E OK2015-01-03 → cancelled 2015-04-04
- Feldman, Adam R TX2017-07-18 active