Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD7PU callsign genealogy
Currently held by Champlin, Cary R
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 AD7PU's current licensee, walking backwards.
- Champlin, Cary RWAgranted 2007-04-30cancelled 2007-09-18
Successor callsigns
Callsigns held now by people who previously held AD7PU.
- Champlin, Cary RWAgranted 2017-07-18