Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KR4GKA 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 KR4GKA's current licensee, walking backwards.
- Harrington, Todd PFLgranted 2019-04-12cancelled 2025-08-26
- Harrington, Todd PNCgranted 2018-10-12cancelled 2019-04-12
- Harrington, Todd PNCgranted 2014-09-30cancelled 2018-10-12
- Harrington, Todd PALgranted 2014-05-09cancelled 2014-09-30
Successor callsigns
Callsigns held now by people who previously held KR4GKA.
No current licensee on record previously held this callsign.