Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K6IV callsign genealogy
Currently held by Coursey, Larry D
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 K6IV's current licensee, walking backwards.
- Coursey, Larry DCAgranted 2021-05-28cancelled 2021-12-03
Successor callsigns
Callsigns held now by people who previously held K6IV.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K6IV, oldest first.
- MUNSEY, CLARENCE J CA1997-10-23 → cancelled 2009-10-24
- Ostroff, Alan H CA2009-11-13 → cancelled 2021-11-16
- Coursey, Larry D CA2021-12-03 active