Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K0RTF callsign genealogy
Currently held by GOETSCH, J B
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 K0RTF's current licensee, walking backwards.
- Goetsch, Joshua DMOgranted 2026-07-14cancelled 2026-08-28
Successor callsigns
Callsigns held now by people who previously held K0RTF.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K0RTF, oldest first.
- GOETSCH, J B IA2013-10-22 → cancelled 2026-03-06
- Goetsch, Joshua D MO2026-08-28 active