Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB7MWB callsign genealogy
Currently held by KNOX, PHILIP T
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 KB7MWB's current licensee, walking backwards.
- Brown, MatthewORgranted 2019-11-27cancelled 2019-12-20
Successor callsigns
Callsigns held now by people who previously held KB7MWB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB7MWB, oldest first.
- KNOX, PHILIP T ID1992-06-16 → cancelled 2004-06-17
- Brown, Matthew OR2019-12-20 active