Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC4WAM callsign genealogy
Currently held by JOHNSON, JOEL T
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 KC4WAM's current licensee, walking backwards.
- Melendez, WilliamFLgranted 2014-01-21cancelled 2014-04-18
Successor callsigns
Callsigns held now by people who previously held KC4WAM.
- Melendez, WilliamFLgranted 2016-07-12cancelled 2016-08-26
All historical holders
Every license row we've seen with the callsign KC4WAM, oldest first.
- JOHNSON, JOEL T GA1991-02-12 → cancelled 2003-02-13
- Melendez, William FL2014-04-18 → cancelled 2016-07-12