Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W8JSM callsign genealogy
Currently held by HACKNEY, CLIFFORD R
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 W8JSM's current licensee, walking backwards.
- Mascarenhas, JacobWVgranted 2022-05-07cancelled 2026-02-14
Successor callsigns
Callsigns held now by people who previously held W8JSM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W8JSM, oldest first.
- HACKNEY, CLIFFORD R OH2003-10-15 → cancelled 2016-01-05
- Mascarenhas, Jacob S WV2026-02-14 active