Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KR1DX callsign genealogy
Currently held by Eastern Massachusetts Contesting Club
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 KR1DX's current licensee, walking backwards.
- KC1ENEcancelledEastern Massachusetts Contesting ClubMAgranted 2015-10-13cancelled 2017-03-12
Successor callsigns
Callsigns held now by people who previously held KR1DX.
No current licensee on record previously held this callsign.