Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4HCS callsign genealogy
Currently held by JOHNSON, WILLIAM J
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 W4HCS's current licensee, walking backwards.
- KN4TAGcancelledHCPS Amateur Radio ClubKYgranted 2019-03-11cancelled 2019-03-30
Successor callsigns
Callsigns held now by people who previously held W4HCS.
- JOHNSON, WILLIAM JFLgranted 2001-01-20cancelled 2002-08-02
All historical holders
Every license row we've seen with the callsign W4HCS, oldest first.
- JOHNSON, WILLIAM J FL2000-05-02 → cancelled 2001-01-20
- Spaulding, Harry C FL2003-02-28 → cancelled 2015-03-03
- HCPS Amateur Radio Club KY2019-03-30 active