Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K5RBB callsign genealogy
Currently held by Block, Richard 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 K5RBB's current licensee, walking backwards.
- Block, Richard BARgranted 2002-02-25cancelled 2002-07-20
Successor callsigns
Callsigns held now by people who previously held K5RBB.
No current licensee on record previously held this callsign.