Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W3JPL callsign genealogy
Currently held by Lettman, John P
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 W3JPL's current licensee, walking backwards.
- Lettman, John PPAgranted 2013-10-18cancelled 2015-10-20
Successor callsigns
Callsigns held now by people who previously held W3JPL.
No current licensee on record previously held this callsign.