Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K5GRS callsign genealogy
Currently held by SINGER, GEOFFREY
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 K5GRS's current licensee, walking backwards.
- SINGER, GEOFFREYTXgranted 2020-05-05cancelled 2020-05-23
Successor callsigns
Callsigns held now by people who previously held K5GRS.
No current licensee on record previously held this callsign.