Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KE3NJ callsign genealogy
Currently held by LETTERMAN, DAVID A
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 KE3NJ's current licensee, walking backwards.
- LETTERMAN, MARK APAgranted 2014-07-24cancelled 2022-03-26
Successor callsigns
Callsigns held now by people who previously held KE3NJ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KE3NJ, oldest first.
- LETTERMAN, DAVID A PA2014-05-16 → cancelled 2022-02-14
- LETTERMAN, MARK A PA2022-03-26 active