Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W1GUA callsign genealogy
Currently held by Adler, Rudolf 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 W1GUA's current licensee, walking backwards.
- TALBOT, JENNIFER LALgranted 2024-01-20cancelled 2026-09-11
Successor callsigns
Callsigns held now by people who previously held W1GUA.
- Adler, Rudolf AALgranted 2024-08-03
All historical holders
Every license row we've seen with the callsign W1GUA, oldest first.
- Adler, Rudolf A AL2024-03-26 → cancelled 2024-08-03
- TALBOT, JENNIFER L AL2026-09-11 active