Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KR7TSM callsign genealogy
Currently held by Rogers, Zebulon C
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 KR7TSM's current licensee, walking backwards.
- Rogers, Zebulon CMNgranted 2018-08-21cancelled 2018-10-10
Successor callsigns
Callsigns held now by people who previously held KR7TSM.
No current licensee on record previously held this callsign.