Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KF7DSX callsign genealogy
Currently held by Charlton, Ronald 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 KF7DSX's current licensee, walking backwards.
- Charlton, Ronald JMTgranted 2009-03-06cancelled 2009-07-09
Successor callsigns
Callsigns held now by people who previously held KF7DSX.
- Charlton, Ronald JMTgranted 2019-05-01