Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4RBM callsign genealogy
Currently held by Miller, Robert 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 W4RBM's current licensee, walking backwards.
- Miller, Robert BVAgranted 1998-05-27cancelled 2005-05-17
Successor callsigns
Callsigns held now by people who previously held W4RBM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4RBM, oldest first.
- KNOUSE, ELIZABETH S FL1990-07-24 → cancelled 2002-07-25
- Miller, Robert B VA2015-02-27 active