Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB1ZPH callsign genealogy
Currently held by Wattendorf, Bruce A
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 KB1ZPH's current licensee, walking backwards.
- Wattendorf, Bruce ARIgranted 2013-01-30cancelled 2013-03-28
Successor callsigns
Callsigns held now by people who previously held KB1ZPH.
- Wattendorf, Bruce ARIgranted 2023-03-21