Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KI4NDL callsign genealogy
Currently held by Mannion, Robert J
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 KI4NDL's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KI4NDL.
- Mannion, Robert JMIgranted 2015-12-29