Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7DER callsign genealogy
Currently held by SMITH, DERRICK P
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 K7DER's current licensee, walking backwards.
- Smith, Derrick PWAgranted 2021-06-03cancelled 2021-06-26
Successor callsigns
Callsigns held now by people who previously held K7DER.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K7DER, oldest first.
- MC CRACKIN, MICHAEL F MT2000-03-11 → cancelled 2012-03-13
- SMITH, DERRICK P WA2021-06-26 active