Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4JLP callsign genealogy
Currently held by PENDERGRASS, 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 N4JLP's current licensee, walking backwards.
- PENDERGRASS, JEFFREY LTNgranted 2017-06-02cancelled 2022-04-08
Successor callsigns
Callsigns held now by people who previously held N4JLP.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4JLP, oldest first.
- MARTIN ., RICKY D NC2009-11-05 → cancelled 2021-12-15
- PENDERGRASS, JEFFREY L TN2022-04-08 active