Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K5GSR callsign genealogy
Currently held by LYONS, SEMMIE 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 K5GSR's current licensee, walking backwards.
- REDFEARN, GREGORY STXgranted 2018-03-20cancelled 2026-03-14
Successor callsigns
Callsigns held now by people who previously held K5GSR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K5GSR, oldest first.
- LYONS, SEMMIE C AR2005-11-08 → cancelled 2018-02-03
- REDFEARN, GREGORY S TX2026-03-14 active