Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W1GRA callsign genealogy
Currently held by Granger, Harold 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 W1GRA's current licensee, walking backwards.
- Granger, Harold CCTgranted 2023-03-01cancelled 2023-03-25
Successor callsigns
Callsigns held now by people who previously held W1GRA.
No current licensee on record previously held this callsign.