Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD9FU callsign genealogy
Currently held by Franks, Caleb M
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 AD9FU's current licensee, walking backwards.
- Franks, Caleb MINgranted 2024-10-16cancelled 2024-11-14
Successor callsigns
Callsigns held now by people who previously held AD9FU.
- Franks, Caleb MINgranted 2024-10-16