Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W0RBM callsign genealogy
Currently held by McDermid, 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 W0RBM's current licensee, walking backwards.
- McDermid, Robert BMOgranted 2020-03-17cancelled 2020-08-07
Successor callsigns
Callsigns held now by people who previously held W0RBM.
No current licensee on record previously held this callsign.