Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB9TYW callsign genealogy
Currently held by SPRIFKE, BARRY 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 KB9TYW'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 KB9TYW.
- N9MKXactiveRADIO RIDGE AMATEUR RADIO CLUBWIgranted 2018-11-28