Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4RBF callsign genealogy
Currently held by FIELDS JR, ROWLAND B
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 K4RBF's current licensee, walking backwards.
- Fields Jr, Rowland BVAgranted 2005-12-07cancelled 2007-07-07
Successor callsigns
Callsigns held now by people who previously held K4RBF.
No current licensee on record previously held this callsign.