Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K0IQK callsign genealogy
Currently held by CUNNINGHAM, HARRY L
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 K0IQK's current licensee, walking backwards.
- CUNNINGHAM, HARRY LMOgranted 2016-10-12cancelled 2018-06-16
Successor callsigns
Callsigns held now by people who previously held K0IQK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K0IQK, oldest first.
- RICKERT SR, ROBERT J MO2004-08-13 → cancelled 2016-11-03
- CUNNINGHAM, HARRY L MO2018-06-16 active