Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KD7JDO callsign genealogy
Currently held by NATIONAL WEATHER SERVICE BILLINGS MT SKYWARN
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 KD7JDO's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KD7JDO.
- W7NWSactiveNATIONAL WEATHER SERVICE BILLINGS MT SKYWARNMTgranted 2020-07-25