Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W8HSM callsign genealogy
Currently held by NEFF, ROBERT 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 W8HSM's current licensee, walking backwards.
- NEFF, WILLIAM JFLgranted 2011-07-20cancelled 2016-04-02
Successor callsigns
Callsigns held now by people who previously held W8HSM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W8HSM, oldest first.
- NEFF, ROBERT A FL1987-12-29 → cancelled 1999-12-30
- NEFF, WILLIAM J FL2016-04-02 active