Confidence: Medium · Source: FCC ULS · As of 2026-09-11
KE4MPO callsign genealogy
Currently held by KING II, CONRAD R
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 KE4MPO's current licensee, walking backwards.
- King II, Conrad RFLgranted 2015-03-31cancelled 2015-10-06
Successor callsigns
Callsigns held now by people who previously held KE4MPO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KE4MPO, oldest first.
- KING II, CONRAD R FL1994-06-21 → cancelled 2006-06-22
- King II, Conrad R FL2026-04-08 active