Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K7FNR callsign genealogy
Currently held by Sierra, Frank A
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 K7FNR's current licensee, walking backwards.
- Sierra, Frank AAZgranted 2018-07-17cancelled 2018-08-07
Successor callsigns
Callsigns held now by people who previously held K7FNR.
No current licensee on record previously held this callsign.