Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KN2APP callsign genealogy
Currently held by Knapp, Derek
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 KN2APP's current licensee, walking backwards.
- Knapp, DerekVTgranted 2021-03-02cancelled 2021-06-02
Successor callsigns
Callsigns held now by people who previously held KN2APP.
No current licensee on record previously held this callsign.