Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K8ROC callsign genealogy
Currently held by Geiser, Robert 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 K8ROC's current licensee, walking backwards.
- Geiser, Robert EOHgranted 2016-05-20cancelled 2017-08-15
Successor callsigns
Callsigns held now by people who previously held K8ROC.
No current licensee on record previously held this callsign.