Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AD5KU callsign genealogy
Currently held by WHEELER, JOHN O
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 AD5KU's current licensee, walking backwards.
- WHEELER, JOHN OTXgranted 1999-06-30cancelled 2002-07-01
Successor callsigns
Callsigns held now by people who previously held AD5KU.
- WHEELER, JOHN OTXgranted 2022-04-22