Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KR7ST callsign genealogy
Currently held by Southern Arizona Spread Spectrum Experimenters
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 KR7ST's current licensee, walking backwards.
- KD7VGJcancelledSouthern Arizona Spread Spectrum ExperimentersAZgranted 2003-04-08cancelled 2008-04-25
Successor callsigns
Callsigns held now by people who previously held KR7ST.
No current licensee on record previously held this callsign.