Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W9GSP callsign genealogy
Currently held by PEARSON, GRAHAM 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 W9GSP's current licensee, walking backwards.
- PEARSON, GRAHAM SINgranted 2002-12-13cancelled 2012-09-25
Successor callsigns
Callsigns held now by people who previously held W9GSP.
No current licensee on record previously held this callsign.