Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W9FBO callsign genealogy
Currently held by Priester, Harry 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 W9FBO's current licensee, walking backwards.
- Rocchio, Ruth AnnPAgranted 2019-11-20cancelled 2019-12-10
Successor callsigns
Callsigns held now by people who previously held W9FBO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W9FBO, oldest first.
- Priester, Harry L IL2005-09-16 → cancelled 2017-11-29
- Rocchio, Ruth Ann PA2019-12-10 active