Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9FRR callsign genealogy
Currently held by Davis, Adam K
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 K9FRR's current licensee, walking backwards.
- Davis, Adam KMSgranted 2023-03-28cancelled 2023-04-15
Successor callsigns
Callsigns held now by people who previously held K9FRR.
No current licensee on record previously held this callsign.