Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K7DTR callsign genealogy
Currently held by White, Derek M
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 K7DTR's current licensee, walking backwards.
- White, Derek MUTgranted 2019-05-31cancelled 2020-10-31
Successor callsigns
Callsigns held now by people who previously held K7DTR.
- WHITE, DEREK MUTgranted 2021-09-21cancelled 2024-11-16