Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WA4RLF callsign genealogy
Currently held by ROSEN, DAN A
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 WA4RLF's current licensee, walking backwards.
- Freeman, DerekALgranted 2017-04-05cancelled 2017-12-19
Successor callsigns
Callsigns held now by people who previously held WA4RLF.
- Freeman, DerekALgranted 2019-06-29
All historical holders
Every license row we've seen with the callsign WA4RLF, oldest first.
- ROSEN, DAN A VA2004-06-19 → cancelled 2016-06-21
- Freeman, Derek AL2017-12-19 → cancelled 2019-06-29