Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NU5MC callsign genealogy
Currently held by SAWATZKY, HAROLD D
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 NU5MC's current licensee, walking backwards.
- SAWATZKY, HAROLD DTXgranted 2017-10-03cancelled 2021-05-18
Successor callsigns
Callsigns held now by people who previously held NU5MC.
- SAWATZKY, HAROLD DTXgranted 2025-12-20