Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4SLV callsign genealogy
Currently held by MARTIN SR, RONALD 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 K4SLV's current licensee, walking backwards.
- Vaughan, Sharon LGAgranted 2013-08-19cancelled 2013-09-17
Successor callsigns
Callsigns held now by people who previously held K4SLV.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4SLV, oldest first.
- MARTIN SR, RONALD A GA1988-11-22 → cancelled 2000-11-28
- Vaughan, Sharon L GA2013-09-17 → cancelled 2025-09-18