Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KK7CMB callsign genealogy
Currently held by BOLINE, CRAIG
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 KK7CMB's current licensee, walking backwards.
- BLATT Jr, CHARLES MORgranted 2024-05-08cancelled 2024-05-29
Successor callsigns
Callsigns held now by people who previously held KK7CMB.
- BOLINE, CRAIGORgranted 2022-01-05
All historical holders
Every license row we've seen with the callsign KK7CMB, oldest first.
- BOLINE, CRAIG OR2021-12-10 → cancelled 2022-01-05
- BLATT Jr, CHARLES M OR2024-05-29 active