Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4CE callsign genealogy
Currently held by LOEWENSTEIN, JACK M
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 K4CE's current licensee, walking backwards.
- TRIPP, ROBERTNCgranted 2023-12-16cancelled 2026-08-04
Successor callsigns
Callsigns held now by people who previously held K4CE.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4CE, oldest first.
- LOEWENSTEIN, JACK M FL2014-05-27 → cancelled 2026-07-16
- TRIPP, ROBERT NC2026-08-04 active