Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K0UMP callsign genealogy
Currently held by Nicholas, Robert A
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 K0UMP's current licensee, walking backwards.
- Nicholas, Robert AMOgranted 2013-11-26cancelled 2013-12-17
Successor callsigns
Callsigns held now by people who previously held K0UMP.
No current licensee on record previously held this callsign.