Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7RSP callsign genealogy
Currently held by GRABSKI, ERNEST L
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 W7RSP's current licensee, walking backwards.
- Howard, Brianne EORgranted 2006-02-13cancelled 2016-02-17
Successor callsigns
Callsigns held now by people who previously held W7RSP.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W7RSP, oldest first.
- GRABSKI, ERNEST L OR2006-08-10 → cancelled 2015-06-18
- Howard, Brianne E OR2025-12-31 active