Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KA4AGB callsign genealogy
Currently held by Billings, Michael L
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 KA4AGB's current licensee, walking backwards.
- Billings, Michael LNCgranted 2009-02-24cancelled 2009-03-24
Successor callsigns
Callsigns held now by people who previously held KA4AGB.
No current licensee on record previously held this callsign.