Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KI0SEA callsign genealogy
Currently held by Philpot 407, 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 KI0SEA's current licensee, walking backwards.
- Philpot Jr, Robert JTXgranted 2022-05-19cancelled 2022-06-10
Successor callsigns
Callsigns held now by people who previously held KI0SEA.
No current licensee on record previously held this callsign.