Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9TAP callsign genealogy
Currently held by TAPPENBECK, JAMES W
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 K9TAP's current licensee, walking backwards.
- Tappenbeck, James WCAgranted 2005-05-02cancelled 2005-07-12
Successor callsigns
Callsigns held now by people who previously held K9TAP.
No current licensee on record previously held this callsign.