Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD5FC callsign genealogy
Currently held by Kraatz, James E
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 AD5FC's current licensee, walking backwards.
- KJ5NTQcancelledFrog City Radio ClubLAgranted 2026-01-03cancelled 2026-01-23
Successor callsigns
Callsigns held now by people who previously held AD5FC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AD5FC, oldest first.
- Kraatz, James E TX2012-09-29 → cancelled 2024-10-01
- Frog City Radio Club LA2026-01-23 active