Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB3OU callsign genealogy
Currently held by Shadle Jr, Philip L
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 AB3OU's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held AB3OU.
- Shadle JR, Philip LPAgranted 2021-10-19