Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7DCB callsign genealogy
Currently held by CHALMERS, LESLIE 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 K7DCB's current licensee, walking backwards.
- Bolster, Drew CORgranted 2014-12-02cancelled 2015-03-28
Successor callsigns
Callsigns held now by people who previously held K7DCB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K7DCB, oldest first.
- CHALMERS, LESLIE E MT1999-04-06 → cancelled 2011-04-07
- Bolster, Drew C OR2015-03-28 active