Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD0LF callsign genealogy
Currently held by Becker, William H
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 AD0LF's current licensee, walking backwards.
- SANTORINE JR, ADOLPH WWVgranted 2007-07-12cancelled 2016-12-03
Successor callsigns
Callsigns held now by people who previously held AD0LF.
- Becker, William HCOgranted 2023-08-04
All historical holders
Every license row we've seen with the callsign AD0LF, oldest first.
- Becker, William H CO2013-10-30 → cancelled 2014-11-14
- SANTORINE JR, ADOLPH W WV2016-12-03 active