Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WB4IR callsign genealogy
Currently held by Holden, Robert J
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 WB4IR's current licensee, walking backwards.
- Holden, Robert JTNgranted 2012-10-23cancelled 2019-03-29
Successor callsigns
Callsigns held now by people who previously held WB4IR.
No current licensee on record previously held this callsign.