Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K5RBS callsign genealogy
Currently held by Smith, 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 K5RBS's current licensee, walking backwards.
- Smith, Robert BTXgranted 2019-08-02cancelled 2020-03-07
Successor callsigns
Callsigns held now by people who previously held K5RBS.
- Smith, Robert BTXgranted 2020-03-27