Confidence: Medium · Source: FCC ULS · As of 2026-09-15
KI5HV callsign genealogy
Currently held by ISAAK, MARKUS K
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 KI5HV's current licensee, walking backwards.
- N5PBGno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held KI5HV.
No current licensee on record previously held this callsign.