Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WB4KRB callsign genealogy
Currently held by MARSH, THOMAS E
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 WB4KRB's current licensee, walking backwards.
- Bennett, Kate RGAgranted 2026-03-18cancelled 2026-04-07
Successor callsigns
Callsigns held now by people who previously held WB4KRB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WB4KRB, oldest first.
- MARSH, THOMAS E AL1988-08-23 → cancelled 2000-08-24
- Bennett, Kate R GA2026-04-07 active