Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KD0NPR callsign genealogy
Currently held by SIGMON, MORRIS 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 KD0NPR's current licensee, walking backwards.
- SIGMON, MORRIS LCOgranted 2009-06-02cancelled 2011-02-15
Successor callsigns
Callsigns held now by people who previously held KD0NPR.
- SIGMON, MORRIS LCOgranted 2021-01-20