Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K8GER callsign genealogy
Currently held by Gerdeman, David 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 K8GER's current licensee, walking backwards.
- Gerdeman, David ROHgranted 2016-11-03cancelled 2016-11-26
Successor callsigns
Callsigns held now by people who previously held K8GER.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K8GER, oldest first.
- CRAWFORD, GERALD A MI1999-02-22 → cancelled 2007-04-25
- Gerdeman, David R OH2016-11-26 active