Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K0SBY callsign genealogy
Currently held by MANN, MURRAY C
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 K0SBY's current licensee, walking backwards.
- MANN, MURRAY CNEgranted 1998-04-29cancelled 2000-12-09
Successor callsigns
Callsigns held now by people who previously held K0SBY.
No current licensee on record previously held this callsign.