Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD5UU callsign genealogy
Currently held by Whelton, Joseph P
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 AD5UU's current licensee, walking backwards.
- Whelton, Joseph PTXgranted 2005-08-08cancelled 2005-09-19
Successor callsigns
Callsigns held now by people who previously held AD5UU.
- Whelton, Joseph PTXgranted 2016-12-09