Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WH0ABO callsign genealogy
Currently held by KOBAYASHI CONTEST TEAM
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 WH0ABO'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 WH0ABO.
- KH0WWactiveKOBAYASHI CONTEST TEAMCAgranted 2020-05-21