Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7ARF callsign genealogy
Currently held by Blank, Spencer M
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 K7ARF's current licensee, walking backwards.
- Blank, Spencer MWAgranted 2016-04-08cancelled 2016-05-24
Successor callsigns
Callsigns held now by people who previously held K7ARF.
No current licensee on record previously held this callsign.