Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WC7R callsign genealogy
Currently held by Grigsby, Garl S
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 WC7R's current licensee, walking backwards.
- Grigsby, Garl SORgranted 2018-04-17cancelled 2019-05-17
Successor callsigns
Callsigns held now by people who previously held WC7R.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WC7R, oldest first.
- Unangst, Alan K AZ2007-04-09 → cancelled 2019-04-26
- Grigsby, Garl S OR2019-05-17 active