Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KF0MRR callsign genealogy
Currently held by Roberts, Mark 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 KF0MRR's current licensee, walking backwards.
- ROBERTS, MARK RCOgranted 2021-01-08cancelled 2021-01-26
Successor callsigns
Callsigns held now by people who previously held KF0MRR.
No current licensee on record previously held this callsign.