Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7FOS callsign genealogy
Currently held by GAFFNEY, EUGENE A
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 W7FOS's current licensee, walking backwards.
- FOSTER, JEREMY RWAgranted 2023-10-21cancelled 2023-11-25
Successor callsigns
Callsigns held now by people who previously held W7FOS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W7FOS, oldest first.
- GAFFNEY, EUGENE A WA2005-11-17 → cancelled 2017-11-18
- FOSTER, JEREMY R WA2023-11-25 active