Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC9PHA callsign genealogy
Currently held by ANDERSON, WALTER J
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 KC9PHA's current licensee, walking backwards.
- ANDERSON, WALTER JILgranted 2003-10-07cancelled 2003-11-08
Successor callsigns
Callsigns held now by people who previously held KC9PHA.
- ANDERSON, WALTER JILgranted 2014-08-15