Confidence: Medium · Source: FCC ULS · As of 2026-09-11
KF0RAM callsign genealogy
Currently held by Ramthun 638, Bonnie D
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 KF0RAM's current licensee, walking backwards.
- Ramthun, BonnieCOgranted 2022-07-28cancelled 2022-08-19
Successor callsigns
Callsigns held now by people who previously held KF0RAM.
No current licensee on record previously held this callsign.