Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N5JPL callsign genealogy
Currently held by Porter, Steven R
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 N5JPL's current licensee, walking backwards.
- LINEBARGER, JOHN POKgranted 2023-05-27cancelled 2023-07-14
Successor callsigns
Callsigns held now by people who previously held N5JPL.
- Porter, Steven RARgranted 2007-07-06cancelled 2009-05-27
All historical holders
Every license row we've seen with the callsign N5JPL, oldest first.
- Porter, Steven R AR2006-06-06 → cancelled 2007-07-06
- LINEBARGER, JOHN P OK2023-07-14 active