Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KD5WBB callsign genealogy
Currently held by NEWBY, CHRISTOPHER 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 KD5WBB's current licensee, walking backwards.
- Newby, Christopher MTXgranted 2020-06-02cancelled 2020-06-20
Successor callsigns
Callsigns held now by people who previously held KD5WBB.
- NEWBY, CHRISTOPHER MTXgranted 2020-12-18
All historical holders
Every license row we've seen with the callsign KD5WBB, oldest first.
- NEWBY, CHRISTOPHER M TX2003-04-08 → cancelled 2015-04-09
- NEWBY, CHRISTOPHER M TX2020-06-20 → cancelled 2020-12-18