Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB5SR callsign genealogy
Currently held by SARUBBI, ROBERT S
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 KB5SR's current licensee, walking backwards.
- Roy II, StanleyTXgranted 2014-05-22cancelled 2020-10-27
Successor callsigns
Callsigns held now by people who previously held KB5SR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB5SR, oldest first.
- SARUBBI, ROBERT S TX2008-08-14 → cancelled 2020-10-08
- Roy II, Stanley TX2020-10-27 active