Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K0LDO callsign genealogy
Currently held by Lawler, Michael
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 K0LDO's current licensee, walking backwards.
- Lawler, MichaelMEgranted 2015-03-20cancelled 2015-04-10
Successor callsigns
Callsigns held now by people who previously held K0LDO.
No current licensee on record previously held this callsign.