Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K3CKA callsign genealogy
Currently held by Miller, John R
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 K3CKA's current licensee, walking backwards.
- Miller, John RPAgranted 2016-09-08cancelled 2016-10-18
Successor callsigns
Callsigns held now by people who previously held K3CKA.
- Miller, John RPAgranted 2018-04-03