Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KP4SL callsign genealogy
Currently held by COLLINS, RONALD C
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 KP4SL's current licensee, walking backwards.
- N9LYZno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held KP4SL.
- COLLINS, RONALD CNMgranted 2011-07-28cancelled 2015-02-18