Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KR2DTW callsign genealogy
Currently held by Harper, Michael 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 KR2DTW's current licensee, walking backwards.
- Harper, Michael DUTgranted 2023-03-07cancelled 2023-04-28
Successor callsigns
Callsigns held now by people who previously held KR2DTW.
- Harper, Michael DUTgranted 2023-10-28