Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W7EFL callsign genealogy
Currently held by HELLER, MARVIN S
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 W7EFL's current licensee, walking backwards.
- LE BLANC, EDWARD FMTgranted 2017-05-09cancelled 2018-02-27
Successor callsigns
Callsigns held now by people who previously held W7EFL.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W7EFL, oldest first.
- HELLER, MARVIN S AZ1996-12-10 → cancelled 1999-02-24
- LE BLANC, EDWARD F MT2018-02-27 active