Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KN4AIP callsign genealogy
Currently held by Proffitt, Robert H
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 KN4AIP's current licensee, walking backwards.
- Proffitt, Robert HGAgranted 2013-07-10cancelled 2013-08-09
Successor callsigns
Callsigns held now by people who previously held KN4AIP.
No current licensee on record previously held this callsign.