Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K5NBC callsign genealogy
Currently held by Murphy, David L
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 K5NBC's current licensee, walking backwards.
- COUNTS, JEFFREY BTXgranted 2024-10-16cancelled 2024-11-08
Successor callsigns
Callsigns held now by people who previously held K5NBC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K5NBC, oldest first.
- Murphy, David L OK2010-07-03 → cancelled 2022-08-16
- COUNTS, JEFFREY B TX2024-11-08 active