Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K3RTS callsign genealogy
Currently held by Saber, Robert T
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 K3RTS's current licensee, walking backwards.
- Saber, Robert TPAgranted 2018-04-23cancelled 2018-10-16
Successor callsigns
Callsigns held now by people who previously held K3RTS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K3RTS, oldest first.
- LAWRENCE, KURT E MD1998-12-15 → cancelled 2010-12-16
- Saber, Robert T PA2018-10-16 active