Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KK7CPD callsign genealogy
Currently held by Grimes, Robert E
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 KK7CPD's current licensee, walking backwards.
- Grimes, Robert EWAgranted 2022-06-08cancelled 2022-06-28
Successor callsigns
Callsigns held now by people who previously held KK7CPD.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KK7CPD, oldest first.
- Wilkowski, Jason R WA2021-12-15 → cancelled 2021-12-20
- Grimes, Robert E WA2022-06-28 active