Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9JLP callsign genealogy
Currently held by Perreira, Jeffrey L
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 K9JLP's current licensee, walking backwards.
- Perreira, Jeffrey LCAgranted 2011-07-18cancelled 2011-10-18
Successor callsigns
Callsigns held now by people who previously held K9JLP.
No current licensee on record previously held this callsign.