Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WA9KRB callsign genealogy
Currently held by Holtz, David H
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 WA9KRB's current licensee, walking backwards.
- Holtz, David HWIgranted 2021-04-09cancelled 2021-06-12
Successor callsigns
Callsigns held now by people who previously held WA9KRB.
No current licensee on record previously held this callsign.