Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KT4RHS callsign genealogy
Currently held by SUMMERS, ROBERT H
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 KT4RHS's current licensee, walking backwards.
- SUMMERS, ROBERT HTNgranted 2023-01-24cancelled 2023-04-15
Successor callsigns
Callsigns held now by people who previously held KT4RHS.
No current licensee on record previously held this callsign.