Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB9QDH callsign genealogy
Currently held by GINKOWSKI, ROBERT M
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 KB9QDH's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KB9QDH.
- NN6TTactiveCRYSTAL CREEK RADIOTELEGRAPHERSWIgranted 2018-07-17