Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KM4JAW callsign genealogy
Currently held by Harrington, Todd P
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 KM4JAW's current licensee, walking backwards.
- Harrington, Todd PALgranted 2014-05-09cancelled 2014-09-30
Successor callsigns
Callsigns held now by people who previously held KM4JAW.
- Harrington, Todd PNCgranted 2018-10-12cancelled 2019-04-12