Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7DLO callsign genealogy
Currently held by BERGER, JAMES W
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 W7DLO's current licensee, walking backwards.
- BERGER, JAMES WORgranted 2023-07-18cancelled 2023-08-12
Successor callsigns
Callsigns held now by people who previously held W7DLO.
- BERGER, JAMES WORgranted 2023-07-18cancelled 2023-08-12
All historical holders
Every license row we've seen with the callsign W7DLO, oldest first.
- BERGER, JAMES W OR2020-12-11 → cancelled 2023-07-18
- BERGER, JAMES W OR2023-08-12 active