Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K0DIV callsign genealogy
Currently held by HARLOFF III, MARK D
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 K0DIV's current licensee, walking backwards.
- HARLOFF III, MARK DNYgranted 2021-10-22
Successor callsigns
Callsigns held now by people who previously held K0DIV.
- HARLOFF III, MARK DNYgranted 2021-10-22