Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K0AFK callsign genealogy
Currently held by SCHELLHORN, RICHARD 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 K0AFK's current licensee, walking backwards.
- Knudsen, AndersCOgranted 2020-08-10cancelled 2020-08-29
Successor callsigns
Callsigns held now by people who previously held K0AFK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K0AFK, oldest first.
- SCHELLHORN, RICHARD H AR2016-04-20 → cancelled 2018-05-22
- Knudsen, Anders CO2020-08-29 active