Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WW1DX callsign genealogy
Currently held by Mohawk Contest 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 WW1DX's current licensee, walking backwards.
- KC1BZAcancelledMASSRADIOMAgranted 2014-05-30cancelled 2014-07-25
Successor callsigns
Callsigns held now by people who previously held WW1DX.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WW1DX, oldest first.
- Mohawk Contest Club MA2001-04-20 → cancelled 2013-04-23
- MASSRADIO MA2024-07-23 active