Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W3ATN callsign genealogy
Currently held by HELZNER, JULES
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 W3ATN's current licensee, walking backwards.
- Berte, Stephen BMDgranted 2021-06-22cancelled 2021-07-12
Successor callsigns
Callsigns held now by people who previously held W3ATN.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W3ATN, oldest first.
- HELZNER, JULES PA2005-03-28 → cancelled 2017-06-07
- Berte, Stephen B MD2021-07-12 active