Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9ATT callsign genealogy
Currently held by ASLESEN, ROBERT S
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 K9ATT's current licensee, walking backwards.
- ASLESEN, ROBERT SMNgranted 2006-01-14cancelled 2010-06-19
Successor callsigns
Callsigns held now by people who previously held K9ATT.
No current licensee on record previously held this callsign.