Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K0TMB callsign genealogy
Currently held by Piper, Aaron Z
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 K0TMB's current licensee, walking backwards.
- Piper, Aaron ZIAgranted 2021-12-30cancelled 2022-05-06
Successor callsigns
Callsigns held now by people who previously held K0TMB.
No current licensee on record previously held this callsign.