Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AF5CC callsign genealogy
Currently held by Geiger, John F
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 AF5CC's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held AF5CC.
- Geiger, John FOKgranted 2019-05-31cancelled 2020-05-01
All historical holders
Every license row we've seen with the callsign AF5CC, oldest first.
- Geiger, John F OK2017-03-22 → cancelled 2019-05-31
- Geiger, John F OK2020-05-01 active