Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD0LO callsign genealogy
Currently held by Wienhold, Richard J
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 AD0LO's current licensee, walking backwards.
- Wienhold, Richard JNDgranted 2013-12-05cancelled 2014-11-24
Successor callsigns
Callsigns held now by people who previously held AD0LO.
No current licensee on record previously held this callsign.